* remove Table

* remove PredicateFinder

* rename TableSegmentsAvailable to TableAvailable

* add rat plugin to check licenses

* fix wrong place license

* add rat plugin to check licenses

* add Apache License to examples

* refactor TableSegmentsAvailable

* refactor TablesContext

* remove TableSegmentsAvailable for SQLStatement

* T0 add ut

* fixed ut

* Add doc to describe read-write split can not support transaction and explain the reason shortly #4455

* issues4533

* remove TablesContext.find()

* refactor ProjectionsContextEngine.find

* Create tableNameSegment

* check style

* decouple EncryptColumnsMergedResult and TablesContext.getSingleTableName

* remove TablesContext.getSingleTableName()

* refactor refreshTableMetaData

* add generic type of ParameterRewriter

* add generic type of OptionalSQLTokenGenerator and CollectionSQLTokenGenerator

* update example orchestration to 5.x

* update example-sharding-jdbc orchestration to 5.x

* Modify the reference path of the imported class

* update pom&overwrite config

* update orchestration config

* update encrypt type and format

* update pom name

* remove useless TablesContext.schema

* add TableSegmentsAvailable to SQLStatementContext

* add final for SQLStatementContext

* add generic type of SQLStatementContext

* fix test case

* decouple EncryptProjectionTokenGenerator and tableContext.isEmpty

* refactor refreshTableMetaData

* refactor refreshTableMetaData

* remove TablesContext.isEmpty()

* remove TablesContext.isSingleTable()

* #4482 Correct the `DataTypeName` for PostgreSQL

* remove doublePrecision and add keyword DOUBLEPRECISION in PostgreSQLKeyword.g4

* move where table segment generate to select statement

* add class PredicateExtractor

* move get table segments logic from generator to select statement

* move get table segments logic from generator to select statement

* refactor TablesContext

* refactor TableTokenGenerator

* remove sharding rule dependency for TableTokenGenerator

* fix typo for isToGenerateTableTokenForRightValue

* add back sharding rule

* refactor TableSegmentsAvailable.getAllTables()

* remove TableSegmentAvailable

* decouple getAllTables and getTables

* refactor AlterTableStatementTestCase

* refactor CreateTableStatementTestCase

* Add Unit test case to NacosConfigInstanceTest

* update variable 'nacosConfigCenter' to 'nacosConfigCenterRepository'

* do some adjustment

* Adjust the format

* use assertThat instead of assertEqual

* Adjust details

* add AlterTableStatement.addedConstraintDefinitions

* adjust rule seq for mysql ddl

* refactor AlterTableStatement.addedColumnDefinitions' type from ColumnDefinitionSegment to AddColumnDefinitionSegment

* refactor AddColumnDefinitionSegment.columnDefinition to columnDefinitions

* add AlterDefinitionSegment

* add AlterTableStatement.addConstraintDefinitions

* refactor alter table for add constraint of MySQLDDLVisitor

* refactor alter table for add constraint of MySQLDDLVisitor

* refactor alter table for modify column of MySQLDDLVisitor

* refactor alter table for drop column of MySQLDDLVisitor

* refactor alter table of Oracle

* refactor alter table of SQLServer

* refactor alter table of PostgreSQL

* refactor alter table of SQL92

* for checkstyle

* fix new test cases

* Set default readOnly value to false

* fix ci error

* #4406 fix MySQL, PostgreSQL DDL cannot parse Integer, Double, Decimal

* #4459 Correct the `DataTypeName` for mysql

# Conflicts:
#	shardingsphere-sql-parser/shardingsphere-sql-parser-mysql/src/main/java/org/apache/shardingsphere/sql/parser/visitor/impl/MySQLDDLVisitor.java
#	shardingsphere-sql-parser/shardingsphere-sql-parser-oracle/src/main/java/org/apache/shardingsphere/sql/parser/visitor/impl/OracleDDLVisitor.java
#	shardingsphere-sql-parser/shardingsphere-sql-parser-postgresql/src/main/java/org/apache/shardingsphere/sql/parser/visitor/impl/PostgreSQLDDLVisitor.java
#	shardingsphere-sql-parser/shardingsphere-sql-parser-sql92/src/main/java/org/apache/shardingsphere/sql/parser/visitor/impl/SQL92DDLVisitor.java
#	shardingsphere-sql-parser/shardingsphere-sql-parser-sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/visitor/impl/SQLServerDDLVisitor.java

* remove createDefinitions from MySQL g4

* add CreateDefinitionSegment

* rename rule name inside columnDefinition

* parse referencedTables on ColumnDefinitionSegment

* parse ConstraintDefinitionSegment on DefinitionSegment

* refactor CreateTable with CreateDefinitionSegment for MySQL

* refactor CreateTable with CreateDefinitionSegment for PostgreSQL

* refactor CreateTable with CreateDefinitionSegment for Oracle

* refactor CreateTable with CreateDefinitionSegment for SQLServer

* refactor CreateTable with CreateDefinitionSegment for SQL92

* fix parser test cases

* update docs of performance test

* update docs of perfomance test

* Modify AliasAvailable

* Modify dataTypeName