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"delete from table where const" bug fixed

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This commit is contained in:
unknown 2003-05-03 18:08:11 +02:00
commit 155b8e0013
2 changed files with 7 additions and 1 deletions
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6
mysql-test/t/delete.test
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@ -53,5 +53,11 @@ select * from t1 where misc > 5 and bool is null;
delete from t1 where misc > 5 and bool is null;
select * from t1 where misc > 5 and bool is null;
select count(*) from t1;
delete from t1 where 1 > 2;
select count(*) from t1;
delete from t1 where 3 > 2;
select count(*) from t1;
drop table t1;

2
sql/sql_delete.cc
View file

@ -54,7 +54,7 @@ int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, ORDER *order,
DBUG_RETURN(-1);
/* Test if the user wants to delete all rows */
if (!using_limit && (!conds || conds->const_item()) &&
if (!using_limit && (!conds || (conds->const_item() && conds->val_int())) &&
!(specialflag & (SPECIAL_NO_NEW_FUNC | SPECIAL_SAFE_MODE)) && !safe_update)
{
deleted= table->file->records;