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Fix for Bug#56138 "valgrind errors about overlapping memory when double-assigning same variable",

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and related small fixes.
This commit is contained in:
Guilhem Bichot
2010-11-22 09:57:59 +01:00
parent 871930e708
commit b5586c67ec
5 changed files with 19 additions and 8 deletions
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3
mysql-test/r/user_var.result
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@@ -447,4 +447,7 @@ IF(
count(*), 1)
1
DROP TABLE t1;
select @v:=@v:=sum(1) from dual;
@v:=@v:=sum(1)
1
End of 5.1 tests

7
mysql-test/t/user_var.test
View File

@@ -346,4 +346,11 @@ FROM t1 GROUP BY a LIMIT 1;
DROP TABLE t1;
#
# BUG#56138 "valgrind errors about overlapping memory when
# double-assigning same variable"
#
select @v:=@v:=sum(1) from dual;
--echo End of 5.1 tests