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Backport of the fix for bug #49552 to 5.0-bugteam

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This commit is contained in:
Georgi Kodinov 2010-02-25 16:57:15 +02:00
parent 488a69b64e
commit b5ae1327f7
3 changed files with 29 additions and 2 deletions
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12
mysql-test/r/delete.result
View File

@ -241,4 +241,16 @@ DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
ERROR 42000: Incorrect number of arguments for FUNCTION test.f1; expected 0, got 1
DROP TABLE t1;
DROP FUNCTION f1;
#
# Bug #49552 : sql_buffer_result cause crash + not found records
# in multitable delete/subquery
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1),(2),(3);
SET SESSION SQL_BUFFER_RESULT=1;
DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
SET SESSION SQL_BUFFER_RESULT=DEFAULT;
SELECT * FROM t1;
a
DROP TABLE t1;
End of 5.0 tests

15
mysql-test/t/delete.test
View File

@ -247,4 +247,19 @@ DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
DROP TABLE t1;
DROP FUNCTION f1;
--echo #
--echo # Bug #49552 : sql_buffer_result cause crash + not found records
--echo # in multitable delete/subquery
--echo #
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1),(2),(3);
SET SESSION SQL_BUFFER_RESULT=1;
DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
SET SESSION SQL_BUFFER_RESULT=DEFAULT;
SELECT * FROM t1;
DROP TABLE t1;
--echo End of 5.0 tests

4
sql/sql_parse.cc
View File

@ -4009,9 +4009,9 @@ end_with_restore_list:
select_lex->where,
0, (ORDER *)NULL, (ORDER *)NULL, (Item *)NULL,
(ORDER *)NULL,
select_lex->options | thd->options |
(select_lex->options | thd->options |
SELECT_NO_JOIN_CACHE | SELECT_NO_UNLOCK |
OPTION_SETUP_TABLES_DONE,
OPTION_SETUP_TABLES_DONE) & ~OPTION_BUFFER_RESULT,
del_result, unit, select_lex);
res|= thd->net.report_error;
if (unlikely(res))