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Post-merge fixes for Bug#9096 "select doesn't return all matched

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records if prepared statements is used" (see comments to 
the changed files).


mysql-test/r/ps.result:
  Post-merge fix for Bug#9096: test results fixed.
mysql-test/r/type_datetime.result:
  Post-merge fix for Bug#9096: now we do better constants comparison,
  so the optimizer is able to guess from the index that we don't
  need to evaluate WHERE clause.
sql/item.cc:
  Post-merge fixes for Bug#9096: implement by-value comparison for
  new 5.0 DECIMAL type.
  Item_real is renamed to Item_float in 5.0
  Item_varbinary is renamed to Item_hex_string in 5.0
sql/item.h:
  Post-merge fixes for Bug#9096: declaration for Item_decimal::eq
This commit is contained in:
unknown
2005-05-04 16:53:10 +04:00
parent 3aa89efcdd
commit a82865375e
4 changed files with 51 additions and 6 deletions
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25
mysql-test/r/ps.result
View File

@ -570,3 +570,28 @@ id
deallocate prepare stmt|
drop procedure p1|
drop table t1|
drop table if exists t1;
Warnings:
Note 1051 Unknown table 't1'
create table t1 (c1 int(11) not null, c2 int(11) not null,
primary key (c1,c2), key c2 (c2), key c1 (c1));
insert into t1 values (200887, 860);
insert into t1 values (200887, 200887);
select * from t1 where (c1=200887 and c2=200887) or c2=860;
c1 c2
200887 860
200887 200887
prepare stmt from
"select * from t1 where (c1=200887 and c2=200887) or c2=860";
execute stmt;
c1 c2
200887 860
200887 200887
prepare stmt from
"select * from t1 where (c1=200887 and c2=?) or c2=?";
set @a=200887, @b=860;
execute stmt using @a, @b;
c1 c2
200887 860
200887 200887
deallocate prepare stmt;

2
mysql-test/r/type_datetime.result
View File

@ -88,7 +88,7 @@ date numfacture expedition
0000-00-00 00:00:00 1212 0001-00-00 00:00:00
EXPLAIN SELECT * FROM t1 WHERE expedition='0001-00-00 00:00:00';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref expedition expedition 8 const 1 Using where
1 SIMPLE t1 ref expedition expedition 8 const 1
drop table t1;
create table t1 (a datetime not null, b datetime not null);
insert into t1 values (now(), now());