remove token for limit

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/token/OffsetLimitToken.java

@@ -29,8 +29,6 @@ import lombok.RequiredArgsConstructor;
 @Getter
 public final class OffsetLimitToken implements SQLToken {
     
-    public static final String OFFSET_NAME = "limit_offset";
-    
     private final int beginPosition;
     
     private final int offset;

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/token/RowCountLimitToken.java

@@ -29,8 +29,6 @@ import lombok.RequiredArgsConstructor;
 @Getter
 public final class RowCountLimitToken implements SQLToken {
     
-    public static final String COUNT_NAME = "limit_count";
-    
     private final int beginPosition;
     
     private final int rowCount;

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/rewrite/SQLBuilderToken.java

@@ -3,7 +3,6 @@ package com.dangdang.ddframe.rdb.sharding.rewrite;
 import com.google.common.base.Joiner;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 
 /**
@@ -12,7 +11,6 @@ import lombok.Setter;
  * @author zhangliang
  */
 @AllArgsConstructor
-@RequiredArgsConstructor
 @Getter
 @Setter
 public final class SQLBuilderToken {

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/rewrite/SQLRewriteEngine.java

@@ -120,16 +120,14 @@ public final class SQLRewriteEngine {
     }
     
     private void appendLimitRowCount(final SQLBuilder sqlBuilder, final RowCountLimitToken rowCountLimitToken, final int count, final List<SQLToken> sqlTokens, final boolean isRewrite) {
-        String rowCount = isRewrite ? String.valueOf(rowCountLimitToken.getRowCount() + limit.getOffset()) : String.valueOf(rowCountLimitToken.getRowCount());
-        sqlBuilder.append(new SQLBuilderToken(RowCountLimitToken.COUNT_NAME, rowCount));
+        sqlBuilder.append(isRewrite ? String.valueOf(rowCountLimitToken.getRowCount() + limit.getOffset()) : String.valueOf(rowCountLimitToken.getRowCount()));
         int beginPosition = rowCountLimitToken.getBeginPosition() + String.valueOf(rowCountLimitToken.getRowCount()).length();
         int endPosition = sqlTokens.size() - 1 == count ? originalSQL.length() : sqlTokens.get(count + 1).getBeginPosition();
         sqlBuilder.append(originalSQL.substring(beginPosition, endPosition));
     }
     
     private void appendLimitOffsetToken(final SQLBuilder sqlBuilder, final OffsetLimitToken offsetLimitToken, final int count, final List<SQLToken> sqlTokens, final boolean isRewrite) {
-        String offset = isRewrite ? "0" : String.valueOf(offsetLimitToken.getOffset());
-        sqlBuilder.append(new SQLBuilderToken(OffsetLimitToken.OFFSET_NAME, offset));
+        sqlBuilder.append(isRewrite ? "0" : String.valueOf(offsetLimitToken.getOffset()));
         int beginPosition = offsetLimitToken.getBeginPosition() + String.valueOf(offsetLimitToken.getOffset()).length();
         int endPosition = sqlTokens.size() - 1 == count ? originalSQL.length() : sqlTokens.get(count + 1).getBeginPosition();
         sqlBuilder.append(originalSQL.substring(beginPosition, endPosition));