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Code Issues Releases Wiki Activity

bugfix:union子查询bug

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yakolee
2014-06-12 17:20:23 +08:00
parent f8d2987931
commit 69b6a40e56
6 changed files with 100 additions and 2 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java
+7 -2
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@@ -32,6 +32,7 @@ import com.alibaba.druid.sql.ast.statement.SQLSubqueryTableSource;
import com.alibaba.druid.sql.ast.statement.SQLTableSource;
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;
public class SQLSelectParser extends SQLParser {
@@ -316,8 +317,12 @@ public class SQLSelectParser extends SQLParser {
if (lexer.token() == Token.SELECT || lexer.token() == Token.WITH) {
SQLSelect select = select();
accept(Token.RPAREN);
queryRest(select.getQuery());
tableSource = new SQLSubqueryTableSource(select);
SQLSelectQuery query = queryRest(select.getQuery());
if (query instanceof SQLUnionQuery) {
tableSource = new SQLUnionQueryTableSource((SQLUnionQuery) query);
} else {
tableSource = new SQLSubqueryTableSource(select);
}
} else if (lexer.token() == Token.LPAREN) {
tableSource = parseTableSource();
accept(Token.RPAREN);