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MDEV-6865 Merge Bug#18935421 RPAD DIES WITH CERTAIN PADSTR INTPUTS..

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This commit is contained in:
Alexander Barkov
2014-11-17 17:24:04 +04:00
parent e7c356f717
commit e072a647d9
3 changed files with 40 additions and 0 deletions
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9
mysql-test/r/ctype_utf16.result
View File

@ -1198,5 +1198,14 @@ a 512
Warnings:
Warning 1260 Row 1 was cut by GROUP_CONCAT()
#
# MDEV-6865 Merge Bug#18935421 RPAD DIES WITH CERTAIN PADSTR INTPUTS..
#
DO RPAD(_utf16 0x0061 COLLATE utf16_unicode_ci, 10000, 0x0061DE989999);
Warnings:
Warning 1300 Invalid utf16 character string: 'DE9899'
DO LPAD(_utf16 0x0061 COLLATE utf16_unicode_ci, 10000, 0x0061DE989999);
Warnings:
Warning 1300 Invalid utf16 character string: 'DE9899'
#
# End of 5.5 tests
#

6
mysql-test/t/ctype_utf16.test
View File

@ -786,6 +786,12 @@ SELECT 'a' AS id, REPEAT('bla bla', 100) AS body) t1;
## TODO: add tests for all engines
#
--echo #
--echo # MDEV-6865 Merge Bug#18935421 RPAD DIES WITH CERTAIN PADSTR INTPUTS..
--echo #
DO RPAD(_utf16 0x0061 COLLATE utf16_unicode_ci, 10000, 0x0061DE989999);
DO LPAD(_utf16 0x0061 COLLATE utf16_unicode_ci, 10000, 0x0061DE989999);
--echo #
--echo # End of 5.5 tests
--echo #

25
sql/item_strfunc.cc
View File

@ -2721,6 +2721,19 @@ String *Item_func_rpad::val_str(String *str)
res->set_charset(&my_charset_bin);
rpad->set_charset(&my_charset_bin);
}
#if MARIADB_VERSION_ID < 1000000
/*
Well-formedness is handled on a higher level in 10.0,
no needs to check it here again.
*/
else
{
// This will chop off any trailing illegal characters from rpad.
String *well_formed_pad= args[2]->check_well_formed_result(rpad, false);
if (!well_formed_pad)
goto err;
}
#endif
if (count <= (res_char_length= res->numchars()))
{ // String to pad is big enough
@ -2826,6 +2839,18 @@ String *Item_func_lpad::val_str(String *str)
res->set_charset(&my_charset_bin);
pad->set_charset(&my_charset_bin);
}
#if MARIADB_VERSION_ID < 1000000
/*
Well-formedness is handled on a higher level in 10.0,
no needs to check it here again.
*/ else
{
// This will chop off any trailing illegal characters from pad.
String *well_formed_pad= args[2]->check_well_formed_result(pad, false);
if (!well_formed_pad)
goto err;
}
#endif
res_char_length= res->numchars();