From da9e7e0f7d015389fea6ce64300114b14b84854e Mon Sep 17 00:00:00 2001
From: codefairy08 <codefairy@163.com>
Date: Tue, 2 Oct 2018 09:02:26 +0800
Subject: [PATCH] Add a unified entry by importing file

---
 .../mysql => imports}/MySQLAlterTable.g4      |  0
 .../mysql => imports}/MySQLCreateIndex.g4     |  0
 .../mysql => imports}/MySQLCreateTable.g4     |  0
 .../antlr/mysql => imports}/MySQLDML.g4       |  0
 .../antlr/mysql => imports}/MySQLDropIndex.g4 |  0
 .../antlr/mysql => imports}/MySQLDropTable.g4 |  0
 .../mysql => imports}/MySQLTruncateTable.g4   |  0
 .../oracle => imports}/OracleAlterIndex.g4    |  0
 .../oracle => imports}/OracleAlterTable.g4    |  2 +-
 ...racleIndexBase.g4 => OracleCreateIndex.g4} |  2 +-
 .../oracle => imports}/OracleCreateTable.g4   |  2 +-
 .../oracle => imports}/OracleDropIndex.g4     |  0
 .../oracle => imports}/OracleDropTable.g4     |  0
 .../oracle => imports}/OracleTruncateTable.g4 |  0
 .../postgre => imports}/PostgreAlterIndex.g4  |  0
 .../postgre => imports}/PostgreAlterTable.g4  |  0
 .../postgre => imports}/PostgreCreateIndex.g4 |  0
 .../postgre => imports}/PostgreCreateTable.g4 |  0
 .../postgre => imports}/PostgreDropIndex.g4   |  0
 .../postgre => imports}/PostgreDropTable.g4   |  0
 .../PostgreTruncateTable.g4                   |  0
 .../SQLServerAlterIndex.g4                    |  0
 .../SQLServerAlterTable.g4                    |  0
 .../SQLServerCreateIndex.g4                   |  0
 .../SQLServerCreateTable.g4                   |  0
 .../SQLServerDropIndex.g4                     |  0
 .../SQLServerDropTable.g4                     |  0
 .../SQLServerTruncateTable.g4                 |  0
 .../parser/antlr/MySQLStatement.g4            | 17 ++++
 .../parser/antlr/OracleStatement.g4           | 14 +++
 .../parser/antlr/PostgreStatement.g4          | 14 +++
 .../parser/antlr/SQLServerStatement.g4        | 14 +++
 .../parser/antlr/oracle/OracleCreateIndex.g4  |  7 --
 .../antler/ast/AbstractParseTreeBuilder.java  |  9 +-
 ...va => MySQLStatementParseTreeBuilder.java} | 18 ++--
 ...a => OracleStatementParseTreeBuilder.java} | 17 ++--
 ... => PostgreStatementParseTreeBuilder.java} | 17 ++--
 ...> SQLServerStatementParseTreeBuilder.java} | 17 ++--
 .../MySQLTruncateTableParseTreeBuilder.java   | 60 ------------
 .../OracleAlterTableParseTreeBuilder.java     | 66 -------------
 .../OracleCreateTableParseTreeBuilder.java    | 60 ------------
 .../OracleDropTableParseTreeBuilder.java      | 60 ------------
 .../OracleTruncateTableParseTreeBuilder.java  | 60 ------------
 .../PostgreAlterTableParseTreeBuilder.java    | 60 ------------
 .../PostgreDropTableParseTreeBuilder.java     | 60 ------------
 .../PostgreTruncateTableParseTreeBuilder.java | 60 ------------
 .../SQLServerAlterTableParseTreeBuilder.java  | 60 ------------
 .../SQLServerCreateTableParseTreeBuilder.java | 60 ------------
 .../SQLServerDropTableParseTreeBuilder.java   | 60 ------------
 ...QLServerTruncateTableParseTreeBuilder.java | 60 ------------
 ...java => MySQLStatementAdvancedParser.java} |  8 +-
 ...ava => OracleStatementAdvancedParser.java} |  8 +-
 ...va => PostgreStatementAdvancedParser.java} |  8 +-
 ... => SQLServerStatementAdvancedParser.java} |  8 +-
 .../parser/factory/ParseTreeFactory.java      | 93 ++-----------------
 .../MySQLAdvancedTruncateTableParser.java     | 66 -------------
 .../OracleAdvancedAlterTableParser.java       | 66 -------------
 .../OracleAdvancedCreateTableParser.java      | 66 -------------
 .../OracleAdvancedTruncateTableParser.java    | 66 -------------
 .../PostgreAdvancedAlterTableParser.java      | 66 -------------
 .../PostgreAdvancedCreateTableParser.java     | 66 -------------
 .../PostgreAdvancedDropTableParser.java       | 66 -------------
 .../PostgreAdvancedTruncateTableParser.java   | 66 -------------
 .../SQLServerAdvancedAlterTableParser.java    | 66 -------------
 .../SQLServerAdvancedCreateTableParser.java   | 66 -------------
 .../SQLServerAdvancedDropTableParser.java     | 66 -------------
 .../SQLServerAdvancedTruncateTableParser.java | 66 -------------
 67 files changed, 126 insertions(+), 1667 deletions(-)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLAlterTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLCreateIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLCreateTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLDML.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLDropIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLDropTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/mysql => imports}/MySQLTruncateTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/oracle => imports}/OracleAlterIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/oracle => imports}/OracleAlterTable.g4 (96%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/imports/{OracleIndexBase.g4 => OracleCreateIndex.g4} (96%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/oracle => imports}/OracleCreateTable.g4 (83%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/oracle => imports}/OracleDropIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/oracle => imports}/OracleDropTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/oracle => imports}/OracleTruncateTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreAlterIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreAlterTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreCreateIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreCreateTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreDropIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreDropTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/postgre => imports}/PostgreTruncateTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerAlterIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerAlterTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerCreateIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerCreateTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerDropIndex.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerDropTable.g4 (100%)
 rename sharding-jdbc-ddl-parser/src/main/antlr4/{io/shardingsphere/parser/antlr/sqlserver => imports}/SQLServerTruncateTable.g4 (100%)
 create mode 100644 sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/MySQLStatement.g4
 create mode 100644 sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/OracleStatement.g4
 create mode 100644 sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/PostgreStatement.g4
 create mode 100644 sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/SQLServerStatement.g4
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateIndex.g4
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/{mysql/MySQLDropTableParseTreeBuilder.java => MySQLStatementParseTreeBuilder.java} (70%)
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/{mysql/MySQLAlterTableParseTreeBuilder.java => OracleStatementParseTreeBuilder.java} (69%)
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/{mysql/MySQLCreateTableParseTreeBuilder.java => PostgreStatementParseTreeBuilder.java} (69%)
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/{postgre/PostgreCreateTableParseTreeBuilder.java => SQLServerStatementParseTreeBuilder.java} (69%)
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLTruncateTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleAlterTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleCreateTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleDropTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleTruncateTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreAlterTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreDropTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreTruncateTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerAlterTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerCreateTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerDropTableParseTreeBuilder.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerTruncateTableParseTreeBuilder.java
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/{mysql/MySQLAdvancedDropTableParser.java => MySQLStatementAdvancedParser.java} (89%)
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/{mysql/MySQLAdvancedAlterTableParser.java => OracleStatementAdvancedParser.java} (88%)
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/{mysql/MySQLAdvancedCreateTableParser.java => PostgreStatementAdvancedParser.java} (88%)
 rename sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/{oracle/OracleAdvancedDropTableParser.java => SQLServerStatementAdvancedParser.java} (88%)
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedTruncateTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedAlterTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedCreateTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedTruncateTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedAlterTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedCreateTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedDropTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedTruncateTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedAlterTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedCreateTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedDropTableParser.java
 delete mode 100644 sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedTruncateTableParser.java

diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLAlterTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLAlterTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLAlterTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLAlterTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLCreateIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLCreateIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLCreateIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLCreateIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLCreateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLCreateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLCreateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLCreateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLDML.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLDML.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLDML.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLDML.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLDropIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLDropIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLDropIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLDropIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLDropTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLDropTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLDropTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLDropTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLTruncateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLTruncateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/mysql/MySQLTruncateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/MySQLTruncateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleAlterIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleAlterIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleAlterIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleAlterIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleAlterTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleAlterTable.g4
similarity index 96%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleAlterTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleAlterTable.g4
index af2dd8bcb8..eee4cd338b 100644
--- a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleAlterTable.g4
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleAlterTable.g4
@@ -1,6 +1,6 @@
 grammar OracleAlterTable;
 
-import OracleKeyword, DataType, Keyword,OracleIndexBase, OracleTableBase,OracleBase,BaseRule,Symbol;
+import OracleKeyword, DataType, Keyword,OracleCreateIndex, OracleTableBase,OracleBase,BaseRule,Symbol;
 
 alterTable:
     ALTER TABLE tableName
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleIndexBase.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleCreateIndex.g4
similarity index 96%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleIndexBase.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleCreateIndex.g4
index 0e2d7ac850..37abea58dd 100644
--- a/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleIndexBase.g4
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleCreateIndex.g4
@@ -1,4 +1,4 @@
-grammar OracleIndexBase;
+grammar OracleCreateIndex;
 
 import OracleKeyword, DataType, Keyword,OracleBase,BaseRule,Symbol;
 
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleCreateTable.g4
similarity index 83%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleCreateTable.g4
index 6e7db296d7..4535c5bb6b 100644
--- a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateTable.g4
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleCreateTable.g4
@@ -1,6 +1,6 @@
 grammar OracleCreateTable;
 
-import OracleKeyword, DataType, Keyword, OracleIndexBase,OracleTableBase,OracleBase,BaseRule,Symbol;
+import OracleKeyword, DataType, Keyword, OracleCreateIndex, OracleTableBase, OracleBase, BaseRule, Symbol;
 
 createTable:
     CREATE (GLOBAL TEMPORARY)? TABLE  tableName relationalTable
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleDropIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleDropIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleDropIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleDropIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleDropTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleDropTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleDropTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleDropTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleTruncateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleTruncateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleTruncateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/OracleTruncateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreAlterIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreAlterIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreAlterIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreAlterIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreAlterTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreAlterTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreAlterTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreAlterTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreCreateIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreCreateIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreCreateIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreCreateIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreCreateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreCreateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreCreateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreCreateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreDropIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreDropIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreDropIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreDropIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreDropTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreDropTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreDropTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreDropTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreTruncateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreTruncateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/postgre/PostgreTruncateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/PostgreTruncateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerAlterIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerAlterIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerAlterIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerAlterIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerAlterTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerAlterTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerAlterTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerAlterTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerCreateIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerCreateIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerCreateIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerCreateIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerCreateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerCreateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerCreateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerCreateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerDropIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerDropIndex.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerDropIndex.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerDropIndex.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerDropTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerDropTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerDropTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerDropTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerTruncateTable.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerTruncateTable.g4
similarity index 100%
rename from sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/sqlserver/SQLServerTruncateTable.g4
rename to sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerTruncateTable.g4
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/MySQLStatement.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/MySQLStatement.g4
new file mode 100644
index 0000000000..76c18ada4f
--- /dev/null
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/MySQLStatement.g4
@@ -0,0 +1,17 @@
+grammar MySQLStatement;
+
+import MySQLDQL, MySQLDML, DQLBase, DMLBase, MySQLCreateIndex, MySQLDropIndex, MySQLCreateTable, MySQLAlterTable, MySQLDropTable, MySQLTruncateTable;
+
+execute:
+    | select
+    | insert
+    | update
+    | delete
+    | createIndex
+    | dropIndex
+    | createTable
+    | alterTable
+    | dropTable
+    | truncateTable
+    ;
+ 
\ No newline at end of file
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/OracleStatement.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/OracleStatement.g4
new file mode 100644
index 0000000000..507ead0897
--- /dev/null
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/OracleStatement.g4
@@ -0,0 +1,14 @@
+grammar OracleStatement;
+
+import OracleCreateIndex, OracleAlterIndex, OracleDropIndex, OracleCreateTable, OracleAlterTable, OracleDropTable, OracleTruncateTable;
+
+execute:
+     createIndex
+    | alterIndex
+    | dropIndex
+    | createTable
+    | alterTable
+    | dropTable
+    | truncateTable
+    ;
+ 
\ No newline at end of file
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/PostgreStatement.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/PostgreStatement.g4
new file mode 100644
index 0000000000..cda5e28823
--- /dev/null
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/PostgreStatement.g4
@@ -0,0 +1,14 @@
+grammar PostgreStatement;
+
+import PostgreCreateIndex, PostgreAlterIndex, PostgreDropIndex, PostgreCreateTable, PostgreAlterTable, PostgreDropTable, PostgreTruncateTable;
+
+execute:
+     createIndex
+    | alterIndex
+    | dropIndex
+    | createTable
+    | alterTable
+    | dropTable
+    | truncateTable
+    ;
+ 
\ No newline at end of file
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/SQLServerStatement.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/SQLServerStatement.g4
new file mode 100644
index 0000000000..d1275d68bd
--- /dev/null
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/SQLServerStatement.g4
@@ -0,0 +1,14 @@
+grammar SQLServerStatement;
+
+import SQLServerCreateIndex, SQLServerAlterIndex, SQLServerDropIndex, SQLServerCreateTable, SQLServerAlterTable, SQLServerDropTable, SQLServerTruncateTable;
+
+execute:
+     createIndex
+    | alterIndex
+    | dropIndex
+    | createTable
+    | alterTable
+    | dropTable
+    | truncateTable
+    ;
+ 
\ No newline at end of file
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateIndex.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateIndex.g4
deleted file mode 100644
index 2abbca72f4..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/antlr4/io/shardingsphere/parser/antlr/oracle/OracleCreateIndex.g4
+++ /dev/null
@@ -1,7 +0,0 @@
-grammar OracleCreateIndex;
-
-import OracleIndexBase;
-
-matchNone:
-    'Default does not match anything'
-    ;
\ No newline at end of file
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/AbstractParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/AbstractParseTreeBuilder.java
index a0c072e0f0..94fba2ac1f 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/AbstractParseTreeBuilder.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/AbstractParseTreeBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 shardingsphere.io.
+MySQLStatementParseTreeBuilder.java * Copyright 2016-2018 shardingsphere.io.
  * <p>
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,7 +37,12 @@ public abstract class AbstractParseTreeBuilder implements ParseTreeBuilder {
         Lexer lexer = newLexer(stream);
         CommonTokenStream tokenStream = new CommonTokenStream(lexer);
         Parser parser = newParser(tokenStream);
-        return getParserTree(parser);
+        ParserRuleContext rootCtx = getParserTree(parser);
+        if(null != rootCtx) {
+            return (ParserRuleContext)rootCtx.getChild(0);
+        }
+        
+        return null;
     }
 
     /** Create lexer instance.
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLDropTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/MySQLStatementParseTreeBuilder.java
similarity index 70%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLDropTableParseTreeBuilder.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/MySQLStatementParseTreeBuilder.java
index 6c761736ed..c8cbbf3b7a 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLDropTableParseTreeBuilder.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/MySQLStatementParseTreeBuilder.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.ast.mysql;
+package io.shardingsphere.core.parsing.antler.ast;
 
 import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.Lexer;
@@ -23,11 +23,10 @@ import org.antlr.v4.runtime.Parser;
 import org.antlr.v4.runtime.ParserRuleContext;
 import org.antlr.v4.runtime.TokenStream;
 
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.mysql.MySQLAdvancedDropTableParser;
-import io.shardingsphere.parser.antlr.mysql.MySQLDropTableLexer;
+import io.shardingsphere.core.parsing.antler.parser.MySQLStatementAdvancedParser;
+import io.shardingsphere.parser.antlr.MySQLStatementLexer;
 
-public class MySQLDropTableParseTreeBuilder extends AbstractParseTreeBuilder {
+public class MySQLStatementParseTreeBuilder extends AbstractParseTreeBuilder {
 
     /** Create lexer instance.
      * @param stream text stream
@@ -35,15 +34,16 @@ public class MySQLDropTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected Lexer newLexer(final CharStream stream) {
-        return new MySQLDropTableLexer(stream);
+        return new MySQLStatementLexer(stream);
     }
 
     /** Create parser instance.
      * @param stream token stream
      * @return antlr parser instance
      */
+    @Override
     protected Parser newParser(final TokenStream tokenStream) {
-        return new MySQLAdvancedDropTableParser(tokenStream);
+        return new MySQLStatementAdvancedParser(tokenStream);
     }
 
     /** Get sql parse tree.
@@ -52,8 +52,8 @@ public class MySQLDropTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected ParserRuleContext getParserTree(final Parser parser) {
-        MySQLAdvancedDropTableParser dropTableParser = (MySQLAdvancedDropTableParser) parser;
-        return dropTableParser.dropTable();
+        MySQLStatementAdvancedParser parse = (MySQLStatementAdvancedParser)parser;
+        return parse.execute();
     }
 
 }
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLAlterTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/OracleStatementParseTreeBuilder.java
similarity index 69%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLAlterTableParseTreeBuilder.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/OracleStatementParseTreeBuilder.java
index 441cc837b5..1aab0778d7 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLAlterTableParseTreeBuilder.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/OracleStatementParseTreeBuilder.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.ast.mysql;
+package io.shardingsphere.core.parsing.antler.ast;
 
 import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.Lexer;
@@ -23,11 +23,10 @@ import org.antlr.v4.runtime.Parser;
 import org.antlr.v4.runtime.ParserRuleContext;
 import org.antlr.v4.runtime.TokenStream;
 
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.mysql.MySQLAdvancedAlterTableParser;
-import io.shardingsphere.parser.antlr.mysql.MySQLAlterTableLexer;
+import io.shardingsphere.core.parsing.antler.parser.OracleStatementAdvancedParser;
+import io.shardingsphere.parser.antlr.OracleStatementLexer;
 
-public class MySQLAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
+public class OracleStatementParseTreeBuilder extends AbstractParseTreeBuilder {
 
     /** Create lexer instance.
      * @param stream text stream
@@ -35,7 +34,7 @@ public class MySQLAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected Lexer newLexer(final CharStream stream) {
-        return new MySQLAlterTableLexer(stream);
+        return new OracleStatementLexer(stream);
     }
 
     /** Create parser instance.
@@ -44,7 +43,7 @@ public class MySQLAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected Parser newParser(final TokenStream tokenStream) {
-        return new MySQLAdvancedAlterTableParser(tokenStream);
+        return new OracleStatementAdvancedParser(tokenStream);
     }
 
     /** Get sql parse tree.
@@ -53,8 +52,8 @@ public class MySQLAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected ParserRuleContext getParserTree(final Parser parser) {
-        MySQLAdvancedAlterTableParser alterTableParser = (MySQLAdvancedAlterTableParser)parser;
-        return alterTableParser.alterTable();
+        OracleStatementAdvancedParser parse = (OracleStatementAdvancedParser)parser;
+        return parse.execute();
     }
 
 }
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLCreateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/PostgreStatementParseTreeBuilder.java
similarity index 69%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLCreateTableParseTreeBuilder.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/PostgreStatementParseTreeBuilder.java
index afc2d1dd8e..1114c757ac 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLCreateTableParseTreeBuilder.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/PostgreStatementParseTreeBuilder.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.ast.mysql;
+package io.shardingsphere.core.parsing.antler.ast;
 
 import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.Lexer;
@@ -23,11 +23,10 @@ import org.antlr.v4.runtime.Parser;
 import org.antlr.v4.runtime.ParserRuleContext;
 import org.antlr.v4.runtime.TokenStream;
 
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.mysql.MySQLAdvancedCreateTableParser;
-import io.shardingsphere.parser.antlr.mysql.MySQLCreateTableLexer;
+import io.shardingsphere.core.parsing.antler.parser.PostgreStatementAdvancedParser;
+import io.shardingsphere.parser.antlr.PostgreStatementLexer;
 
-public class MySQLCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
+public class PostgreStatementParseTreeBuilder extends AbstractParseTreeBuilder {
 
     /** Create lexer instance.
      * @param stream text stream
@@ -35,7 +34,7 @@ public class MySQLCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected Lexer newLexer(final CharStream stream) {
-        return new MySQLCreateTableLexer(stream);
+        return new PostgreStatementLexer(stream);
     }
 
     /** Create parser instance.
@@ -44,7 +43,7 @@ public class MySQLCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected Parser newParser(final TokenStream tokenStream) {
-        return new MySQLAdvancedCreateTableParser(tokenStream);
+        return new PostgreStatementAdvancedParser(tokenStream);
     }
 
     /** Get sql parse tree.
@@ -53,8 +52,8 @@ public class MySQLCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
      */
     @Override
     protected ParserRuleContext getParserTree(final Parser parser) {
-        MySQLAdvancedCreateTableParser createTableParser = (MySQLAdvancedCreateTableParser) parser;
-        return createTableParser.createTable();
+        PostgreStatementAdvancedParser parse = (PostgreStatementAdvancedParser)parser;
+        return parse.execute();
     }
 
 }
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreCreateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/SQLServerStatementParseTreeBuilder.java
similarity index 69%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreCreateTableParseTreeBuilder.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/SQLServerStatementParseTreeBuilder.java
index f1d6336f5b..19715b37c0 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreCreateTableParseTreeBuilder.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/SQLServerStatementParseTreeBuilder.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.ast.postgre;
+package io.shardingsphere.core.parsing.antler.ast;
 
 import org.antlr.v4.runtime.CharStream;
 import org.antlr.v4.runtime.Lexer;
@@ -23,11 +23,10 @@ import org.antlr.v4.runtime.Parser;
 import org.antlr.v4.runtime.ParserRuleContext;
 import org.antlr.v4.runtime.TokenStream;
 
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.postgre.PostgreAdvancedCreateTableParser;
-import io.shardingsphere.parser.antlr.postgre.PostgreCreateTableLexer;
+import io.shardingsphere.core.parsing.antler.parser.SQLServerStatementAdvancedParser;
+import io.shardingsphere.parser.antlr.SQLServerStatementLexer;
 
-public class PostgreCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
+public class SQLServerStatementParseTreeBuilder extends AbstractParseTreeBuilder {
 
     /** Create lexer instance.
      * @param stream text stream
@@ -35,7 +34,7 @@ public class PostgreCreateTableParseTreeBuilder extends AbstractParseTreeBuilder
      */
     @Override
     protected Lexer newLexer(final CharStream stream) {
-        return new PostgreCreateTableLexer(stream);
+        return new SQLServerStatementLexer(stream);
     }
 
     /** Create parser instance.
@@ -44,7 +43,7 @@ public class PostgreCreateTableParseTreeBuilder extends AbstractParseTreeBuilder
      */
     @Override
     protected Parser newParser(final TokenStream tokenStream) {
-        return new PostgreAdvancedCreateTableParser(tokenStream);
+        return new SQLServerStatementAdvancedParser(tokenStream);
     }
 
     /** Get sql parse tree.
@@ -53,8 +52,8 @@ public class PostgreCreateTableParseTreeBuilder extends AbstractParseTreeBuilder
      */
     @Override
     protected ParserRuleContext getParserTree(final Parser parser) {
-        PostgreAdvancedCreateTableParser createTableParser = (PostgreAdvancedCreateTableParser) parser;
-        return createTableParser.createTable();
+        SQLServerStatementAdvancedParser parse = (SQLServerStatementAdvancedParser)parser;
+        return parse.execute();
     }
 
 }
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLTruncateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLTruncateTableParseTreeBuilder.java
deleted file mode 100644
index d9332903fb..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/mysql/MySQLTruncateTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.mysql;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.mysql.MySQLAdvancedTruncateTableParser;
-import io.shardingsphere.parser.antlr.mysql.MySQLTruncateTableLexer;
-
-public class MySQLTruncateTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new MySQLTruncateTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new MySQLAdvancedTruncateTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        MySQLAdvancedTruncateTableParser truncateTableParser = (MySQLAdvancedTruncateTableParser) parser;
-        return truncateTableParser.truncateTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleAlterTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleAlterTableParseTreeBuilder.java
deleted file mode 100644
index c15ac7c19a..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleAlterTableParseTreeBuilder.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.oracle;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.oracle.OracleAdvancedAlterTableParser;
-import io.shardingsphere.parser.antlr.oracle.OracleAlterTableLexer;
-
-public class OracleAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /**
-     * Create lexer instance.
-     *
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new OracleAlterTableLexer(stream);
-    }
-
-    /**
-     * Create parser instance.
-     *
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new OracleAdvancedAlterTableParser(tokenStream);
-    }
-
-    /**
-     * Get sql parse tree.
-     *
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        OracleAdvancedAlterTableParser alterTableParser = (OracleAdvancedAlterTableParser) parser;
-        return alterTableParser.alterTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleCreateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleCreateTableParseTreeBuilder.java
deleted file mode 100644
index 71ff2c686f..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleCreateTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.oracle;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.oracle.OracleAdvancedCreateTableParser;
-import io.shardingsphere.parser.antlr.oracle.OracleCreateTableLexer;
-
-public class OracleCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new OracleCreateTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new OracleAdvancedCreateTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        OracleAdvancedCreateTableParser createTableParser = (OracleAdvancedCreateTableParser) parser;
-        return createTableParser.createTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleDropTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleDropTableParseTreeBuilder.java
deleted file mode 100644
index 0177b40adb..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleDropTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.oracle;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.oracle.OracleAdvancedDropTableParser;
-import io.shardingsphere.parser.antlr.oracle.OracleDropTableLexer;
-
-public class OracleDropTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new OracleDropTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new OracleAdvancedDropTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        OracleAdvancedDropTableParser dropTableParser = (OracleAdvancedDropTableParser) parser;
-        return dropTableParser.dropTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleTruncateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleTruncateTableParseTreeBuilder.java
deleted file mode 100644
index 201a55161f..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/oracle/OracleTruncateTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.oracle;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.oracle.OracleAdvancedTruncateTableParser;
-import io.shardingsphere.parser.antlr.oracle.OracleTruncateTableLexer;
-
-public class OracleTruncateTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new OracleTruncateTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new OracleAdvancedTruncateTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        OracleAdvancedTruncateTableParser truncateTableParser = (OracleAdvancedTruncateTableParser) parser;
-        return truncateTableParser.truncateTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreAlterTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreAlterTableParseTreeBuilder.java
deleted file mode 100644
index d13677238d..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreAlterTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.postgre;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.postgre.PostgreAdvancedAlterTableParser;
-import io.shardingsphere.parser.antlr.postgre.PostgreAlterTableLexer;
-
-public class PostgreAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new PostgreAlterTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new PostgreAdvancedAlterTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        PostgreAdvancedAlterTableParser alterTableParser = (PostgreAdvancedAlterTableParser) parser;
-        return alterTableParser.alterTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreDropTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreDropTableParseTreeBuilder.java
deleted file mode 100644
index c645aef7c0..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreDropTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.postgre;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.postgre.PostgreAdvancedDropTableParser;
-import io.shardingsphere.parser.antlr.postgre.PostgreDropTableLexer;
-
-public class PostgreDropTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-   @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new PostgreDropTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new PostgreAdvancedDropTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        PostgreAdvancedDropTableParser dropTableParser = (PostgreAdvancedDropTableParser) parser;
-        return dropTableParser.dropTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreTruncateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreTruncateTableParseTreeBuilder.java
deleted file mode 100644
index d2f38c75f8..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/postgre/PostgreTruncateTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.postgre;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.postgre.PostgreAdvancedTruncateTableParser;
-import io.shardingsphere.parser.antlr.postgre.PostgreTruncateTableLexer;
-
-public class PostgreTruncateTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new PostgreTruncateTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new PostgreAdvancedTruncateTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        PostgreAdvancedTruncateTableParser truncateTableParser = (PostgreAdvancedTruncateTableParser) parser;
-        return truncateTableParser.truncateTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerAlterTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerAlterTableParseTreeBuilder.java
deleted file mode 100644
index de521eeeed..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerAlterTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.sqlserver;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.sqlserver.SQLServerAdvancedAlterTableParser;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerAlterTableLexer;
-
-public class SQLServerAlterTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new SQLServerAlterTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new SQLServerAdvancedAlterTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        SQLServerAdvancedAlterTableParser alterTableParser = (SQLServerAdvancedAlterTableParser) parser;
-        return alterTableParser.alterTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerCreateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerCreateTableParseTreeBuilder.java
deleted file mode 100644
index 36b56bc737..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerCreateTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.sqlserver;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.sqlserver.SQLServerAdvancedCreateTableParser;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerCreateTableLexer;
-
-public class SQLServerCreateTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new SQLServerCreateTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new SQLServerAdvancedCreateTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        SQLServerAdvancedCreateTableParser createTableParser = (SQLServerAdvancedCreateTableParser) parser;
-        return createTableParser.createTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerDropTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerDropTableParseTreeBuilder.java
deleted file mode 100644
index ab4988edc9..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerDropTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.sqlserver;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.sqlserver.SQLServerAdvancedDropTableParser;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerDropTableLexer;
-
-public class SQLServerDropTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new SQLServerDropTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new SQLServerAdvancedDropTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        SQLServerAdvancedDropTableParser dropTableParser = (SQLServerAdvancedDropTableParser) parser;
-        return dropTableParser.dropTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerTruncateTableParseTreeBuilder.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerTruncateTableParseTreeBuilder.java
deleted file mode 100644
index 90e4e17316..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/ast/sqlserver/SQLServerTruncateTableParseTreeBuilder.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.ast.sqlserver;
-
-import org.antlr.v4.runtime.CharStream;
-import org.antlr.v4.runtime.Lexer;
-import org.antlr.v4.runtime.Parser;
-import org.antlr.v4.runtime.ParserRuleContext;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.ast.AbstractParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.parser.sqlserver.SQLServerAdvancedTruncateTableParser;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerTruncateTableLexer;
-
-public class SQLServerTruncateTableParseTreeBuilder extends AbstractParseTreeBuilder {
-
-    /** Create lexer instance.
-     * @param stream text stream
-     * @return antlr lexer instance
-     */
-    @Override
-    protected Lexer newLexer(final CharStream stream) {
-        return new SQLServerTruncateTableLexer(stream);
-    }
-
-    /** Create parser instance.
-     * @param stream token stream
-     * @return antlr parser instance
-     */
-    @Override
-    protected Parser newParser(final TokenStream tokenStream) {
-        return new SQLServerAdvancedTruncateTableParser(tokenStream);
-    }
-
-    /** Get sql parse tree.
-     * @param parser instance
-     * @return sql parse tree
-     */
-    @Override
-    protected ParserRuleContext getParserTree(final Parser parser) {
-        SQLServerAdvancedTruncateTableParser truncateTableParser = (SQLServerAdvancedTruncateTableParser) parser;
-        return truncateTableParser.truncateTable();
-    }
-
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedDropTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/MySQLStatementAdvancedParser.java
similarity index 89%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedDropTableParser.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/MySQLStatementAdvancedParser.java
index 704e0faffb..bfc407f1c5 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedDropTableParser.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/MySQLStatementAdvancedParser.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.parser.mysql;
+package io.shardingsphere.core.parsing.antler.parser;
 
 import org.antlr.v4.runtime.CommonToken;
 import org.antlr.v4.runtime.RecognitionException;
@@ -24,11 +24,11 @@ import org.antlr.v4.runtime.TokenStream;
 
 import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
 import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.mysql.MySQLDropTableParser;
+import io.shardingsphere.parser.antlr.MySQLStatementParser;
 
-public class MySQLAdvancedDropTableParser extends MySQLDropTableParser {
+public class MySQLStatementAdvancedParser extends MySQLStatementParser {
 
-    public MySQLAdvancedDropTableParser(final TokenStream input) {
+    public MySQLStatementAdvancedParser(final TokenStream input) {
         super(input);
         _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
         this._errHandler = new AdvancedErrorStrategy(ID);
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedAlterTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/OracleStatementAdvancedParser.java
similarity index 88%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedAlterTableParser.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/OracleStatementAdvancedParser.java
index 5f1cff60c2..329ee8159a 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedAlterTableParser.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/OracleStatementAdvancedParser.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.parser.mysql;
+package io.shardingsphere.core.parsing.antler.parser;
 
 import org.antlr.v4.runtime.CommonToken;
 import org.antlr.v4.runtime.RecognitionException;
@@ -24,11 +24,11 @@ import org.antlr.v4.runtime.TokenStream;
 
 import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
 import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.mysql.MySQLAlterTableParser;
+import io.shardingsphere.parser.antlr.OracleStatementParser;
 
-public class MySQLAdvancedAlterTableParser extends MySQLAlterTableParser {
+public class OracleStatementAdvancedParser extends OracleStatementParser {
 
-    public MySQLAdvancedAlterTableParser(final TokenStream input) {
+    public OracleStatementAdvancedParser(final TokenStream input) {
         super(input);
         _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
         this._errHandler = new AdvancedErrorStrategy(ID);
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedCreateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/PostgreStatementAdvancedParser.java
similarity index 88%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedCreateTableParser.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/PostgreStatementAdvancedParser.java
index bb8a6b07af..e793ac5464 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedCreateTableParser.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/PostgreStatementAdvancedParser.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.parser.mysql;
+package io.shardingsphere.core.parsing.antler.parser;
 
 import org.antlr.v4.runtime.CommonToken;
 import org.antlr.v4.runtime.RecognitionException;
@@ -24,11 +24,11 @@ import org.antlr.v4.runtime.TokenStream;
 
 import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
 import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.mysql.MySQLCreateTableParser;
+import io.shardingsphere.parser.antlr.PostgreStatementParser;
 
-public class MySQLAdvancedCreateTableParser extends MySQLCreateTableParser {
+public class PostgreStatementAdvancedParser extends PostgreStatementParser {
 
-    public MySQLAdvancedCreateTableParser(final TokenStream input) {
+    public PostgreStatementAdvancedParser(final TokenStream input) {
         super(input);
         _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
         this._errHandler = new AdvancedErrorStrategy(ID);
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedDropTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/SQLServerStatementAdvancedParser.java
similarity index 88%
rename from sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedDropTableParser.java
rename to sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/SQLServerStatementAdvancedParser.java
index 18ddc23470..8838fba3f7 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedDropTableParser.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/SQLServerStatementAdvancedParser.java
@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingsphere.core.parsing.antler.parser.oracle;
+package io.shardingsphere.core.parsing.antler.parser;
 
 import org.antlr.v4.runtime.CommonToken;
 import org.antlr.v4.runtime.RecognitionException;
@@ -24,11 +24,11 @@ import org.antlr.v4.runtime.TokenStream;
 
 import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
 import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.oracle.OracleDropTableParser;
+import io.shardingsphere.parser.antlr.SQLServerStatementParser;
 
-public class OracleAdvancedDropTableParser extends OracleDropTableParser {
+public class SQLServerStatementAdvancedParser extends SQLServerStatementParser {
 
-    public OracleAdvancedDropTableParser(final TokenStream input) {
+    public SQLServerStatementAdvancedParser(final TokenStream input) {
         super(input);
         _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
         this._errHandler = new AdvancedErrorStrategy(ID);
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/factory/ParseTreeFactory.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/factory/ParseTreeFactory.java
index 906d01d3bc..9b4f8acd21 100644
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/factory/ParseTreeFactory.java
+++ b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/factory/ParseTreeFactory.java
@@ -20,24 +20,11 @@ package io.shardingsphere.core.parsing.antler.parser.factory;
 import org.antlr.v4.runtime.ParserRuleContext;
 
 import io.shardingsphere.core.constant.DatabaseType;
-import io.shardingsphere.core.parsing.antler.ast.mysql.MySQLAlterTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.mysql.MySQLCreateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.mysql.MySQLDropTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.mysql.MySQLTruncateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.oracle.OracleAlterTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.oracle.OracleCreateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.oracle.OracleDropTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.oracle.OracleTruncateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.postgre.PostgreAlterTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.postgre.PostgreCreateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.postgre.PostgreDropTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.postgre.PostgreTruncateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.sqlserver.SQLServerAlterTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.sqlserver.SQLServerCreateTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.sqlserver.SQLServerDropTableParseTreeBuilder;
-import io.shardingsphere.core.parsing.antler.ast.sqlserver.SQLServerTruncateTableParseTreeBuilder;
+import io.shardingsphere.core.parsing.antler.ast.MySQLStatementParseTreeBuilder;
+import io.shardingsphere.core.parsing.antler.ast.OracleStatementParseTreeBuilder;
+import io.shardingsphere.core.parsing.antler.ast.PostgreStatementParseTreeBuilder;
+import io.shardingsphere.core.parsing.antler.ast.SQLServerStatementParseTreeBuilder;
 import io.shardingsphere.core.parsing.lexer.LexerEngine;
-import io.shardingsphere.core.parsing.lexer.token.DefaultKeyword;
 import io.shardingsphere.core.parsing.lexer.token.TokenType;
 import io.shardingsphere.core.parsing.parser.exception.SQLParsingUnsupportedException;
 import io.shardingsphere.core.rule.ShardingRule;
@@ -55,81 +42,17 @@ public class ParseTreeFactory {
                                                       final ShardingRule shardingRule, final LexerEngine lexerEngine) {
         switch (dbType) {
             case MySQL:
-                return getMySQLTableDDLParser(tokenType, shardingRule, lexerEngine);
+                return new MySQLStatementParseTreeBuilder().parse(lexerEngine.getInput());
             case Oracle:
-                return getOracleTableDDLParser(tokenType, shardingRule, lexerEngine);
+                return new OracleStatementParseTreeBuilder().parse(lexerEngine.getInput());
             case SQLServer:
-                return getSQLServerTableDDLParser(tokenType, shardingRule, lexerEngine);
+                return new SQLServerStatementParseTreeBuilder().parse(lexerEngine.getInput());
             case PostgreSQL:
-                return getPostgreTableDDLParser(tokenType, shardingRule, lexerEngine);
+                return new PostgreStatementParseTreeBuilder().parse(lexerEngine.getInput());
 
             default:
                 throw new SQLParsingUnsupportedException(tokenType);
         }
     }
 
-    private static ParserRuleContext getMySQLTableDDLParser(final TokenType tokenType, final ShardingRule shardingRule,
-                                                            final LexerEngine lexerEngine) {
-        switch ((DefaultKeyword) tokenType) {
-            case CREATE:
-                return new MySQLCreateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case ALTER:
-                return new MySQLAlterTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case DROP:
-                return new MySQLDropTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case TRUNCATE:
-                return new MySQLTruncateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            default:
-                throw new SQLParsingUnsupportedException(tokenType);
-        }
-    }
-
-    private static ParserRuleContext getOracleTableDDLParser(final TokenType tokenType, final ShardingRule shardingRule,
-                                                             final LexerEngine lexerEngine) {
-        switch ((DefaultKeyword) tokenType) {
-            case CREATE:
-                return new OracleCreateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case ALTER:
-                return new OracleAlterTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case DROP:
-                return new OracleDropTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case TRUNCATE:
-                return new OracleTruncateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            default:
-                throw new SQLParsingUnsupportedException(tokenType);
-        }
-    }
-
-    private static ParserRuleContext getSQLServerTableDDLParser(final TokenType tokenType,
-                                                                final ShardingRule shardingRule, final LexerEngine lexerEngine) {
-        switch ((DefaultKeyword) tokenType) {
-            case CREATE:
-                return new SQLServerCreateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case ALTER:
-                return new SQLServerAlterTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case DROP:
-                return new SQLServerDropTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case TRUNCATE:
-                return new SQLServerTruncateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            default:
-                throw new SQLParsingUnsupportedException(tokenType);
-        }
-    }
-
-    private static ParserRuleContext getPostgreTableDDLParser(final TokenType tokenType,
-                                                              final ShardingRule shardingRule, final LexerEngine lexerEngine) {
-        switch ((DefaultKeyword) tokenType) {
-            case CREATE:
-                return new PostgreCreateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case ALTER:
-                return new PostgreAlterTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case DROP:
-                return new PostgreDropTableParseTreeBuilder().parse(lexerEngine.getInput());
-            case TRUNCATE:
-                return new PostgreTruncateTableParseTreeBuilder().parse(lexerEngine.getInput());
-            default:
-                throw new SQLParsingUnsupportedException(tokenType);
-        }
-    }
-
 }
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedTruncateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedTruncateTableParser.java
deleted file mode 100644
index 9085a9eca5..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/mysql/MySQLAdvancedTruncateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.mysql;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.mysql.MySQLTruncateTableParser;
-
-public class MySQLAdvancedTruncateTableParser extends MySQLTruncateTableParser {
-
-    public MySQLAdvancedTruncateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedAlterTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedAlterTableParser.java
deleted file mode 100644
index 11ea5b7c66..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedAlterTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.oracle;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.oracle.OracleAlterTableParser;
-
-public class OracleAdvancedAlterTableParser extends OracleAlterTableParser {
-
-    public OracleAdvancedAlterTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedCreateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedCreateTableParser.java
deleted file mode 100644
index 27f13bf5d7..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedCreateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.oracle;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.oracle.OracleCreateTableParser;
-
-public class OracleAdvancedCreateTableParser extends OracleCreateTableParser {
-
-    public OracleAdvancedCreateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedTruncateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedTruncateTableParser.java
deleted file mode 100644
index cf5043db82..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/oracle/OracleAdvancedTruncateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.oracle;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.oracle.OracleTruncateTableParser;
-
-public class OracleAdvancedTruncateTableParser extends OracleTruncateTableParser {
-
-    public OracleAdvancedTruncateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedAlterTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedAlterTableParser.java
deleted file mode 100644
index 61c3c92593..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedAlterTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.postgre;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.postgre.PostgreAlterTableParser;
-
-public class PostgreAdvancedAlterTableParser extends PostgreAlterTableParser {
-
-    public PostgreAdvancedAlterTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedCreateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedCreateTableParser.java
deleted file mode 100644
index 6cdc21f233..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedCreateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.postgre;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.postgre.PostgreCreateTableParser;
-
-public class PostgreAdvancedCreateTableParser extends PostgreCreateTableParser {
-
-    public PostgreAdvancedCreateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedDropTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedDropTableParser.java
deleted file mode 100644
index 15d8072857..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedDropTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.postgre;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.postgre.PostgreDropTableParser;
-
-public class PostgreAdvancedDropTableParser extends PostgreDropTableParser {
-
-    public PostgreAdvancedDropTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedTruncateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedTruncateTableParser.java
deleted file mode 100644
index c65973cf9a..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/postgre/PostgreAdvancedTruncateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.postgre;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.postgre.PostgreTruncateTableParser;
-
-public class PostgreAdvancedTruncateTableParser extends PostgreTruncateTableParser {
-
-    public PostgreAdvancedTruncateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedAlterTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedAlterTableParser.java
deleted file mode 100644
index 2514dd111a..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedAlterTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.sqlserver;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerAlterTableParser;
-
-public class SQLServerAdvancedAlterTableParser extends SQLServerAlterTableParser {
-
-    public SQLServerAdvancedAlterTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedCreateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedCreateTableParser.java
deleted file mode 100644
index a810f43ca6..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedCreateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.sqlserver;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerCreateTableParser;
-
-public class SQLServerAdvancedCreateTableParser extends SQLServerCreateTableParser {
-
-    public SQLServerAdvancedCreateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedDropTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedDropTableParser.java
deleted file mode 100644
index 203f25f97f..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedDropTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.sqlserver;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerDropTableParser;
-
-public class SQLServerAdvancedDropTableParser extends SQLServerDropTableParser {
-
-    public SQLServerAdvancedDropTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
diff --git a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedTruncateTableParser.java b/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedTruncateTableParser.java
deleted file mode 100644
index ee76a65e28..0000000000
--- a/sharding-jdbc-ddl-parser/src/main/java/io/shardingsphere/core/parsing/antler/parser/sqlserver/SQLServerAdvancedTruncateTableParser.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-package io.shardingsphere.core.parsing.antler.parser.sqlserver;
-
-import org.antlr.v4.runtime.CommonToken;
-import org.antlr.v4.runtime.RecognitionException;
-import org.antlr.v4.runtime.Token;
-import org.antlr.v4.runtime.TokenStream;
-
-import io.shardingsphere.core.parsing.antler.AdvancedErrorStrategy;
-import io.shardingsphere.core.parsing.antler.AdvancedParserATNSimulator;
-import io.shardingsphere.parser.antlr.sqlserver.SQLServerTruncateTableParser;
-
-public class SQLServerAdvancedTruncateTableParser extends SQLServerTruncateTableParser {
-
-    public SQLServerAdvancedTruncateTableParser(final TokenStream input) {
-        super(input);
-        _interp = new AdvancedParserATNSimulator(this, _ATN, _decisionToDFA, _sharedContextCache, ID);
-        this._errHandler = new AdvancedErrorStrategy(ID);
-    }
-
-    public Token match(final int ttype) throws RecognitionException {
-        Token t = getCurrentToken();
-
-        boolean compatID = false;
-        if (ID == ttype && ID > t.getType()) {
-            compatID = true;
-        }
-
-        if (t.getType() == ttype || compatID) {
-            if (ttype == Token.EOF) {
-                matchedEOF = true;
-            }
-
-            if (!matchedEOF && compatID && (t instanceof CommonToken)) {
-                CommonToken commonToken = (CommonToken) t;
-                commonToken.setType(ID);
-            }
-            _errHandler.reportMatch(this);
-            consume();
-        } else {
-            t = _errHandler.recoverInline(this);
-            if (_buildParseTrees && t.getTokenIndex() == -1) {
-                // we must have conjured up a new token during single token insertion
-                // if it's not the current symbol
-                _ctx.addErrorNode(createErrorNode(_ctx, t));
-            }
-        }
-        return t;
-    }
-}
-- 
GitLab