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bugfix: reset MODE_NO_BACKSLASH_ESCAPES during vcol parsing

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This commit is contained in:
Sergei Golubchik
2016-12-07 10:10:08 +01:00
parent a9a362d3fd
commit b3e3356557
3 changed files with 44 additions and 0 deletions
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27
mysql-test/r/func_like.result
View File

@ -262,3 +262,30 @@ select * from v1;
'foo!' like 'foo!!' 'foo!' like 'foo!!' escape '!'
0 1
drop view v1;
create table t1 (a varchar(100),
b int default (a like '%f\\_'),
c int default (a like '%f\\_' escape ''),
d int default (a like '%f\\_' escape '\\'));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(100) DEFAULT NULL,
`b` int(11) DEFAULT (`a` like '%f\\_'),
`c` int(11) DEFAULT (`a` like '%f\\_' escape ''),
`d` int(11) DEFAULT (`a` like '%f\\_' escape '\\')
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert t1 (a) values ('1 f_'), ('1 f\\_');
set sql_mode=no_backslash_escapes;
insert t1 (a) values ('2 f_'), ('2 f\_');
flush tables;
insert t1 (a) values ('3 f_'), ('3 f\_');
set sql_mode=default;
select * from t1;
a b c d
1 f_ 1 0 1
1 f\_ 0 1 0
2 f_ 1 0 1
2 f\_ 0 1 0
3 f_ 1 0 1
3 f\_ 0 1 0
drop table t1;

14
mysql-test/t/func_like.test
View File

@ -193,3 +193,17 @@ create view v1 as select 'foo!' like 'foo!!', 'foo!' like 'foo!!' escape '!';
show create view v1;
select * from v1;
drop view v1;
create table t1 (a varchar(100),
b int default (a like '%f\\_'),
c int default (a like '%f\\_' escape ''),
d int default (a like '%f\\_' escape '\\'));
show create table t1;
insert t1 (a) values ('1 f_'), ('1 f\\_');
set sql_mode=no_backslash_escapes;
insert t1 (a) values ('2 f_'), ('2 f\_');
flush tables;
insert t1 (a) values ('3 f_'), ('3 f\_');
set sql_mode=default;
select * from t1;
drop table t1;

3
sql/table.cc
View File

@ -995,6 +995,7 @@ bool parse_vcol_defs(THD *thd, MEM_ROOT *mem_root, TABLE *table,
Field **vfield_ptr= table->vfield;
Field **dfield_ptr= table->default_field;
Virtual_column_info **check_constraint_ptr= table->check_constraints;
sql_mode_t saved_mode= thd->variables.sql_mode;
Query_arena backup_arena;
Virtual_column_info *vcol;
StringBuffer<MAX_FIELD_WIDTH> expr_str;
@ -1020,6 +1021,7 @@ bool parse_vcol_defs(THD *thd, MEM_ROOT *mem_root, TABLE *table,
thd->stmt_arena= table->expr_arena;
thd->update_charset(&my_charset_utf8mb4_general_ci, table->s->table_charset);
expr_str.append(&parse_vcol_keyword);
thd->variables.sql_mode &= ~MODE_NO_BACKSLASH_ESCAPES;
while (pos < end)
{
@ -1135,6 +1137,7 @@ end:
thd->stmt_arena= backup_stmt_arena_ptr;
if (save_character_set_client)
thd->update_charset(save_character_set_client, save_collation);
thd->variables.sql_mode= saved_mode;
DBUG_RETURN(res);
}