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Fix for bug #32137: prepared statement crash with str_to_date in update clause

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Problem: calling non-constant argument's val_xxx() methods 
in the ::fix_length_and_dec() is inadmissible.

Fix: call the method only for constant arguments.


mysql-test/r/ps.result:
  Fix for bug #32137: prepared statement crash with str_to_date in update clause
    - test result.
mysql-test/t/ps.test:
  Fix for bug #32137: prepared statement crash with str_to_date in update clause
    - test case.
sql/item_timefunc.cc:
  Fix for bug #32137: prepared statement crash with str_to_date in update clause
    - call argument's val_str() only for constant items in the 
      Item_func_str_to_date::fix_length_and_dec().
This commit is contained in:
unknown
2007-11-07 12:47:19 +04:00
parent ab4f08b39e
commit c7191f90a3
3 changed files with 40 additions and 23 deletions
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5
mysql-test/r/ps.result
View File

@ -1109,4 +1109,9 @@ a
13
DEALLOCATE PREPARE st1;
DROP TABLE t1;
create table t1 (a int, b tinyint);
prepare st1 from 'update t1 set b= (str_to_date(a, a))';
execute st1;
deallocate prepare st1;
drop table t1;
End of 4.1 tests.

9
mysql-test/t/ps.test
View File

@ -1146,4 +1146,13 @@ EXECUTE st1;
DEALLOCATE PREPARE st1;
DROP TABLE t1;
#
# Bug #32137: prepared statement crash with str_to_date in update clause
#
create table t1 (a int, b tinyint);
prepare st1 from 'update t1 set b= (str_to_date(a, a))';
execute st1;
deallocate prepare st1;
drop table t1;
--echo End of 4.1 tests.