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improved mysql parser

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高铁
2016-01-14 17:57:32 +08:00
parent 5668eed214
commit 262e0b4da1
12 changed files with 176 additions and 25 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java
+3 -3
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@@ -35,7 +35,7 @@ import com.alibaba.druid.sql.ast.statement.SQLUnionOperator;
import com.alibaba.druid.sql.ast.statement.SQLUnionQuery;
import com.alibaba.druid.sql.ast.statement.SQLUnionQueryTableSource;
import com.alibaba.druid.sql.ast.statement.SQLWithSubqueryClause;
import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlGroupByItemExpr;
import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlOrderingExpr;
import com.alibaba.druid.util.JdbcConstants;
public class SQLSelectParser extends SQLParser {
@@ -339,10 +339,10 @@ public class SQLSelectParser extends SQLParser {
if(JdbcConstants.MYSQL.equals(getDbType())) {
if (lexer.token() == Token.DESC) {
lexer.nextToken(); // skip
item =new MySqlGroupByItemExpr(item, SQLOrderingSpecification.DESC);
item =new MySqlOrderingExpr(item, SQLOrderingSpecification.DESC);
} else if (lexer.token() == Token.ASC) {
lexer.nextToken(); // skip
item =new MySqlGroupByItemExpr(item, SQLOrderingSpecification.ASC);
item =new MySqlOrderingExpr(item, SQLOrderingSpecification.ASC);
}
}
return item;