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func_test.result, item_cmpfunc.cc:

Browse Source 
Fixed bug #6187: a wrong initial setting for const_item_cache
  in Item_cond::fix_fields.


sql/item_cmpfunc.cc:
  Fixed bug #6187: a wrong initial setting for const_item_cache
  in Item_cond::fix_fields.
mysql-test/r/func_test.result:
  Fixed bug #6187: a wrong initial setting for const_item_cache
  in Item_cond::fix_fields.
This commit is contained in:
unknown
2004-10-20 14:52:30 -07:00
parent 7b413078cc
commit b0cfdb95c5
2 changed files with 4 additions and 4 deletions
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4
mysql-test/r/func_test.result
View File

@ -77,9 +77,9 @@ select * from t1 where 1 xor 1;
a
explain extended select * from t1 where 1 xor 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (1 xor 1)
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1`
select - a from t1;
- a
-1

4
sql/item_cmpfunc.cc
View File

@ -1956,7 +1956,7 @@ Item_cond::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
char buff[sizeof(char*)]; // Max local vars in function
#endif
not_null_tables_cache= used_tables_cache= 0;
const_item_cache= 0;
const_item_cache= 1;
/*
and_table_cache is the value that Item_cond_or() returns for
not_null_tables()
@ -2013,7 +2013,7 @@ void Item_cond::split_sum_func(Item **ref_pointer_array, List<Item> &fields)
List_iterator<Item> li(list);
Item *item;
used_tables_cache=0;
const_item_cache=0;
const_item_cache=1;
while ((item=li++))
{
if (item->with_sum_func && item->type() != SUM_FUNC_ITEM)