Commit 43582593 authored by igor@olga.mysql.com's avatar igor@olga.mysql.com
Browse files

Merge olga.mysql.com:/home/igor/mysql-5.0-opt 

into  olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-bug27848
parents 8be07b88 f25e30eb

mysql-test/r/union.result

+51 −0
Original line number Diff line number Diff line
@@ -1389,4 +1389,55 @@ select @var; 
1

(select 2) union (select 1 into @var);

ERROR 42000: Result consisted of more than one row

CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (10), (20);

CREATE TABLE t2 (b int);

INSERT INTO t2 VALUES (10), (50), (50);

SELECT a,1 FROM t1 

UNION

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a;

a	1

NULL	3

10	1

20	1

50	2

SELECT a,1 FROM t1 

UNION

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a DESC;

a	1

50	2

20	1

10	1

NULL	3

SELECT a,1 FROM t1 

UNION

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a ASC LIMIT 3;

a	1

NULL	3

10	1

20	1

SELECT a,1 FROM t1 

UNION ALL 

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a DESC;

a	1

50	2

20	1

10	1

10	1

NULL	3

SELECT a,1 FROM t1

UNION 

(SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a);

ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY

SELECT a,1 FROM t1

UNION ALL

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a

UNION

SELECT 1,1;

ERROR HY000: Incorrect usage of UNION and ORDER BY

DROP TABLE t1,t2;

End of 5.0 tests

mysql-test/t/union.test

+44 −0
Original line number Diff line number Diff line
@@ -877,4 +877,48 @@ DROP TABLE t1; 
select @var;

--error 1172

(select 2) union (select 1 into @var);



#

# Bug#27848: order-by of union clashes with rollup of select part

#



CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (10), (20);

CREATE TABLE t2 (b int);

INSERT INTO t2 VALUES (10), (50), (50);



SELECT a,1 FROM t1 

UNION

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a;



SELECT a,1 FROM t1 

UNION

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a DESC;



SELECT a,1 FROM t1 

UNION

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a ASC LIMIT 3;



SELECT a,1 FROM t1 

UNION ALL 

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP

ORDER BY a DESC;



--error ER_WRONG_USAGE

SELECT a,1 FROM t1

UNION 

(SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a);



--error ER_WRONG_USAGE

SELECT a,1 FROM t1

UNION ALL

SELECT b, COUNT(*) FROM t2 GROUP BY b WITH ROLLUP ORDER BY a

UNION

SELECT 1,1;



DROP TABLE t1,t2;



--echo End of 5.0 tests

sql/sql_yacc.yy

+10 −1
Original line number Diff line number Diff line
@@ -4211,6 +4211,14 @@ select_paren: 
              my_parse_error(ER(ER_SYNTAX_ERROR));

              MYSQL_YYABORT;

            }

            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");

               MYSQL_YYABORT;

            }

            /* select in braces, can't contain global parameters */

	    if (sel->master_unit()->fake_select_lex)

              sel->master_unit()->global_parameters=
@@ -6165,7 +6173,8 @@ order_clause: 
          SELECT_LEX *sel= lex->current_select;

          SELECT_LEX_UNIT *unit= sel-> master_unit();

	  if (sel->linkage != GLOBAL_OPTIONS_TYPE &&

	      sel->olap != UNSPECIFIED_OLAP_TYPE)

              sel->olap != UNSPECIFIED_OLAP_TYPE &&

              (sel->linkage != UNION_TYPE || sel->braces))

	  {

	    my_error(ER_WRONG_USAGE, MYF(0),

                     "CUBE/ROLLUP", "ORDER BY");