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Merge lapi.mysql.com:/home/tkatchaounov/mysql/src/5.0#32694
into lapi.mysql.com:/home/tkatchaounov/mysql/src/5.1#32694 mysql-test/r/type_datetime.result: Auto merged mysql-test/t/type_datetime.test: Manual merge for BUG#32694. sql/item_cmpfunc.cc: Manual merge for BUG#32694.
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b74535d7d9
3 changed files with 130 additions and 22 deletions
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@ -505,6 +505,61 @@ select sum(a) from t1 group by convert(a, datetime);
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sum(a)
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NULL
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drop table t1;
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create table t1 (id int(10) not null, cur_date datetime not null);
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create table t2 (id int(10) not null, cur_date date not null);
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insert into t1 (id, cur_date) values (1, '2007-04-25 18:30:22');
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insert into t2 (id, cur_date) values (1, '2007-04-25');
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explain extended
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
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2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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Warnings:
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Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
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Note 1003 select '1' AS `id`,'2007-04-25 18:30:22' AS `cur_date` from `test`.`t1` where <in_optimizer>('1',<exists>(select 1 AS `Not_used` from `test`.`t1` `x1` where 0))
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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id cur_date
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explain extended
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
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2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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Warnings:
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Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
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Note 1003 select '1' AS `id`,'2007-04-25' AS `cur_date` from `test`.`t2` where <in_optimizer>('1',<exists>(select 1 AS `Not_used` from `test`.`t2` `x1` where 0))
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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id cur_date
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insert into t1 (id, cur_date) values (2, '2007-04-26 18:30:22');
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insert into t2 (id, cur_date) values (2, '2007-04-26');
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explain extended
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
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2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 Using where
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Warnings:
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Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
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Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`id`,<exists>(select 1 AS `Not_used` from `test`.`t1` `x1` where ((`test`.`t1`.`cur_date` = 0) and (<cache>(`test`.`t1`.`id`) = `test`.`x1`.`id`))))
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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id cur_date
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explain extended
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
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2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 Using where
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Warnings:
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Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
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Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `Not_used` from `test`.`t2` `x1` where ((`test`.`t2`.`cur_date` = 0) and (<cache>(`test`.`t2`.`id`) = `test`.`x1`.`id`))))
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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id cur_date
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drop table t1,t2;
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End of 5.0 tests
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set @org_mode=@@sql_mode;
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create table t1 (da date default '1962-03-03 23:33:34', dt datetime default '1962-03-03');
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@ -338,6 +338,43 @@ insert into t1 values (), (), ();
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select sum(a) from t1 group by convert(a, datetime);
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drop table t1;
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#
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# Bug #32694: NOT NULL table field in a subquery produces invalid results
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#
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create table t1 (id int(10) not null, cur_date datetime not null);
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create table t2 (id int(10) not null, cur_date date not null);
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insert into t1 (id, cur_date) values (1, '2007-04-25 18:30:22');
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insert into t2 (id, cur_date) values (1, '2007-04-25');
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explain extended
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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explain extended
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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insert into t1 (id, cur_date) values (2, '2007-04-26 18:30:22');
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insert into t2 (id, cur_date) values (2, '2007-04-26');
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explain extended
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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explain extended
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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drop table t1,t2;
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--echo End of 5.0 tests
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#
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# Test of storing datetime into date fields
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@ -24,7 +24,8 @@
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#include <m_ctype.h>
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#include "sql_select.h"
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static bool convert_constant_item(THD *thd, Field *field, Item **item);
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static bool convert_constant_item(THD *thd, Item_field *field_item,
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Item **item);
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static Item_result item_store_type(Item_result a, Item *item,
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my_bool unsigned_flag)
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@ -351,7 +352,7 @@ longlong Item_func_nop_all::val_int()
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SYNOPSIS
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convert_constant_item()
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thd thread handle
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field item will be converted using the type of this field
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field_item item will be converted using the type of this field
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item [in/out] reference to the item to convert
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DESCRIPTION
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@ -374,8 +375,10 @@ longlong Item_func_nop_all::val_int()
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1 Item was replaced with an integer version of the item
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*/
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static bool convert_constant_item(THD *thd, Field *field, Item **item)
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static bool convert_constant_item(THD *thd, Item_field *field_item,
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Item **item)
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{
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Field *field= field_item->field;
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int result= 0;
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if (!(*item)->with_subselect && (*item)->const_item())
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@ -385,6 +388,7 @@ static bool convert_constant_item(THD *thd, Field *field, Item **item)
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enum_check_fields orig_count_cuted_fields= thd->count_cuted_fields;
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my_bitmap_map *old_write_map;
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my_bitmap_map *old_read_map;
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ulonglong orig_field_val; /* original field value if valid */
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LINT_INIT(old_write_map);
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LINT_INIT(old_read_map);
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@ -398,6 +402,13 @@ static bool convert_constant_item(THD *thd, Field *field, Item **item)
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thd->variables.sql_mode= (orig_sql_mode & ~MODE_NO_ZERO_DATE) |
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MODE_INVALID_DATES;
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thd->count_cuted_fields= CHECK_FIELD_IGNORE;
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/*
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Store the value of the field if it references an outer field because
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the call to save_in_field below overrides that value.
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*/
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if (field_item->depended_from)
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orig_field_val= field->val_int();
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if (!(*item)->is_null() && !(*item)->save_in_field(field, 1))
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{
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Item *tmp= new Item_int_with_ref(field->val_int(), *item,
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@ -406,6 +417,13 @@ static bool convert_constant_item(THD *thd, Field *field, Item **item)
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thd->change_item_tree(item, tmp);
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result= 1; // Item was replaced
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}
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/* Restore the original field value. */
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if (field_item->depended_from)
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{
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result= field->store(orig_field_val, TRUE);
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/* orig_field_val must be a valid value that can be restored back. */
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DBUG_ASSERT(!result);
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}
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thd->variables.sql_mode= orig_sql_mode;
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thd->count_cuted_fields= orig_count_cuted_fields;
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if (table)
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@ -462,15 +480,14 @@ void Item_bool_func2::fix_length_and_dec()
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thd= current_thd;
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if (!thd->is_context_analysis_only())
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{
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Item *arg_real_item= args[0]->real_item();
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if (arg_real_item->type() == FIELD_ITEM)
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if (args[0]->real_item()->type() == FIELD_ITEM)
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{
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Field *field=((Item_field*) arg_real_item)->field;
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if (field->can_be_compared_as_longlong() &&
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!(arg_real_item->is_datetime() &&
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Item_field *field_item= (Item_field*) (args[0]->real_item());
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if (field_item->field->can_be_compared_as_longlong() &&
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!(field_item->is_datetime() &&
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args[1]->result_type() == STRING_RESULT))
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{
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if (convert_constant_item(thd, field,&args[1]))
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if (convert_constant_item(thd, field_item, &args[1]))
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{
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cmp.set_cmp_func(this, tmp_arg, tmp_arg+1,
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INT_RESULT); // Works for all types.
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@ -479,15 +496,14 @@ void Item_bool_func2::fix_length_and_dec()
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}
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}
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}
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arg_real_item= args[1]->real_item();
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if (arg_real_item->type() == FIELD_ITEM)
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if (args[1]->real_item()->type() == FIELD_ITEM)
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{
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Field *field=((Item_field*) arg_real_item)->field;
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if (field->can_be_compared_as_longlong() &&
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!(arg_real_item->is_datetime() &&
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Item_field *field_item= (Item_field*) (args[1]->real_item());
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if (field_item->field->can_be_compared_as_longlong() &&
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!(field_item->is_datetime() &&
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args[0]->result_type() == STRING_RESULT))
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{
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if (convert_constant_item(thd, field,&args[0]))
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if (convert_constant_item(thd, field_item, &args[0]))
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{
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cmp.set_cmp_func(this, tmp_arg, tmp_arg+1,
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INT_RESULT); // Works for all types.
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@ -1943,16 +1959,16 @@ void Item_func_between::fix_length_and_dec()
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thd->lex->sql_command != SQLCOM_CREATE_VIEW &&
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thd->lex->sql_command != SQLCOM_SHOW_CREATE)
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{
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Field *field=((Item_field*) (args[0]->real_item()))->field;
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if (field->can_be_compared_as_longlong())
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Item_field *field_item= (Item_field*) (args[0]->real_item());
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if (field_item->field->can_be_compared_as_longlong())
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{
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/*
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The following can't be recoded with || as convert_constant_item
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changes the argument
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*/
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if (convert_constant_item(thd, field,&args[1]))
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if (convert_constant_item(thd, field_item, &args[1]))
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cmp_type=INT_RESULT; // Works for all types.
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if (convert_constant_item(thd, field,&args[2]))
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if (convert_constant_item(thd, field_item, &args[2]))
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cmp_type=INT_RESULT; // Works for all types.
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}
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}
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@ -3563,13 +3579,13 @@ void Item_func_in::fix_length_and_dec()
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thd->lex->sql_command != SQLCOM_SHOW_CREATE &&
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cmp_type != INT_RESULT)
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{
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Field *field= ((Item_field*) (args[0]->real_item()))->field;
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if (field->can_be_compared_as_longlong())
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Item_field *field_item= (Item_field*) (args[0]->real_item());
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if (field_item->field->can_be_compared_as_longlong())
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{
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bool all_converted= TRUE;
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for (arg=args+1, arg_end=args+arg_count; arg != arg_end ; arg++)
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{
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if (!convert_constant_item (thd, field, &arg[0]))
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if (!convert_constant_item (thd, field_item, &arg[0]))
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all_converted= FALSE;
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}
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if (all_converted)
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