MDEV-10101 Wrong error message of SELECT 1 UNION (SELECT 1 FROM t1 GR…

…OUP BY 1 WITH ROLLUP)
MariaDB · Jun 1, 2016 · 2864164 · 2864164
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diff --git a/mysql-test/r/parser.result b/mysql-test/r/parser.result
@@ -930,17 +930,27 @@ ERROR HY000: Invalid use of group function
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
 ERROR HY000: Invalid use of group function
 DROP TABLE t1;
-# UNION with a parethesized term with ROLLUP
+# UNION with a parenthesized term with ROLLUP
 CREATE TABLE t1 (a INT);
 INSERT INTO t1 VALUES (10),(20),(30);
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP);
-ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
+a
+1
+10
+20
+30
+NULL
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) LIMIT 1;
-ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
+a
+1
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) ORDER BY a LIMIT 1;
-ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
+a
+NULL
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2);
-ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
+a
+1
+10
+20
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY a);
 ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a));
@@ -1154,3 +1164,58 @@ ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
 SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) AS a FROM t1;
 ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
 DROP TABLE t1;
+
+MDEV-10101 Wrong error message of SELECT 1 UNION (SELECT 1 FROM t1 GROUP BY 1 WITH ROLLUP)
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (10),(20),(30);
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP);
+a
+1
+10
+20
+30
+NULL
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP) UNION SELECT 1;
+a
+10
+20
+30
+NULL
+1
+SELECT a FROM t1 GROUP BY a WITH ROLLUP UNION SELECT 1;
+a
+10
+20
+30
+NULL
+1
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) LIMIT 1;
+a
+1
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP) UNION SELECT 1 LIMIT 1;
+a
+10
+SELECT a FROM t1 GROUP BY a WITH ROLLUP UNION SELECT 1 LIMIT 1;
+a
+10
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) ORDER BY a LIMIT 1;
+a
+NULL
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP) UNION SELECT 1 ORDER BY a LIMIT 1;
+a
+NULL
+SELECT a FROM t1 GROUP BY a WITH ROLLUP UNION SELECT 1 ORDER BY a LIMIT 1;
+a
+NULL
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2);
+a
+1
+10
+20
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2) UNION SELECT 1;
+a
+10
+20
+1
+DROP TABLE t1;
diff --git a/mysql-test/t/parser.test b/mysql-test/t/parser.test
@@ -1075,18 +1075,16 @@ SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
 DROP TABLE t1;
 
---echo # UNION with a parethesized term with ROLLUP
+--echo # UNION with a parenthesized term with ROLLUP
 
 CREATE TABLE t1 (a INT);
 INSERT INTO t1 VALUES (10),(20),(30);
---error ER_WRONG_USAGE
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP);
---error ER_WRONG_USAGE
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) LIMIT 1;
---error ER_WRONG_USAGE
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) ORDER BY a LIMIT 1;
---error ER_WRONG_USAGE
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2);
+
+
 --error ER_WRONG_USAGE
 SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY a);
 --error ER_WRONG_USAGE
@@ -1225,3 +1223,27 @@ SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a)) FROM t
 SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) AS a FROM t1;
 
 DROP TABLE t1;
+
+
+--echo
+--echo MDEV-10101 Wrong error message of SELECT 1 UNION (SELECT 1 FROM t1 GROUP BY 1 WITH ROLLUP)
+--echo
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (10),(20),(30);
+
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP);
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP) UNION SELECT 1;
+SELECT a FROM t1 GROUP BY a WITH ROLLUP UNION SELECT 1;
+
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) LIMIT 1;
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP) UNION SELECT 1 LIMIT 1;
+SELECT a FROM t1 GROUP BY a WITH ROLLUP UNION SELECT 1 LIMIT 1;
+
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) ORDER BY a LIMIT 1;
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP) UNION SELECT 1 ORDER BY a LIMIT 1;
+SELECT a FROM t1 GROUP BY a WITH ROLLUP UNION SELECT 1 ORDER BY a LIMIT 1;
+
+SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2);
+(SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2) UNION SELECT 1;
+DROP TABLE t1;
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
@@ -737,13 +737,6 @@ bool setup_select_in_parentheses(LEX *lex)
     my_parse_error(lex->thd, ER_SYNTAX_ERROR);
     return TRUE;
   }
-  if (sel->linkage == UNION_TYPE &&
-      sel->olap != UNSPECIFIED_OLAP_TYPE &&
-      sel->master_unit()->fake_select_lex)
-  {
-    my_error(ER_WRONG_USAGE, MYF(0), "CUBE/ROLLUP", "ORDER BY");
-    return TRUE;
-  }
   return FALSE;
 }