diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java index 9ac5b59d49..64ae166ec0 100644 --- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java +++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java @@ -365,8 +365,6 @@ public class SQLExprParser extends SQLParser { if (sqlExpr instanceof SQLBinaryOpExpr) { ((SQLBinaryOpExpr) sqlExpr).setBracket(true); } - - accept(Token.RPAREN); if (lexer.token == Token.UNION && sqlExpr instanceof SQLQueryExpr) { SQLQueryExpr queryExpr = (SQLQueryExpr) sqlExpr; @@ -374,6 +372,13 @@ public class SQLExprParser extends SQLParser { SQLSelectQuery query = this.createSelectParser().queryRest(queryExpr.getSubQuery().getQuery()); queryExpr.getSubQuery().setQuery(query); } + + //accept(Token.RPAREN) 在处理UNION 之前,导致 以下类型的语句解析异常 + //select * from test_a where id=(select id from test_b where id = 1) union all select * from test_c ..... + //会解析为 select * from select * from test_a where id=(select id from test_b where id = 1 union all select * from test_c ..... + //所以需要将accept(Token.RPAREN) 移动到 处理 Union all 以及 子查询之后 + accept(Token.RPAREN); + break; case INSERT: lexer.nextToken();