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WL#2985 "Partition pruning", "do pruning for UPDATE/DELETE": Post-merge fixes

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2006-02-06 18:33:39 +03:00
parent 6344fd64a5
commit 4f9e66daa4
4 changed files with 58 additions and 69 deletions
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94
mysql-test/r/partition_pruning.result
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@ -304,21 +304,56 @@ id select_type table partitions type possible_keys key key_len ref rows Extra
explain partitions select * from t1 where b > 1 and b < 3 and (a =1 or a =2);
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1_sp2,p2_sp2 system NULL NULL NULL NULL 1
DROP TABLE IF EXISTS `t1`;
drop table t1;
create table t1 (a int) partition by list(a) (
partition p0 values in (1,2),
partition p1 values in (3,4)
);
insert into t1 values (1),(1),(2),(2),(3),(4),(3),(4);
flush status;
update t1 set a=100 where a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 0
flush status;
update t1 set a=100 where a+1=5+1;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 10
flush status;
delete from t1 where a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 0
flush status;
delete from t1 where a+1=5+1;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 10
create table t2 like t1;
insert into t2 select * from t2;
flush status;
update t1,t2 set t1.a=1000, t2.a=1000 where t1.a=5 and t2.a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 0
flush status;
delete t1,t2 from t1, t2 where t1.a=5 and t2.a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 0
drop table t1,t2;
CREATE TABLE `t1` (
`a` int(11) default NULL
);
INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
DROP TABLE IF EXISTS `t2`;
Warnings:
Note 1051 Unknown table 't2'
CREATE TABLE `t2` (
`a` int(11) default NULL,
KEY `a` (`a`)
) ;
insert into t2 select A.a + 10*(B.a + 10* C.a) from t1 A, t1 B, t1 C ;
insert into t1 select a from t2;
DROP TABLE IF EXISTS `t2`;
drop table t2;
CREATE TABLE `t2` (
`a` int(11) default NULL,
`b` int(11) default NULL
@ -367,23 +402,23 @@ flush status;
update t2 set a = 1002 where a = 1001;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 1015
Handler_read_rnd_next 0
flush status;
update t2 set b = 6 where a = 600;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 1015
Handler_read_rnd_next 201
flush status;
update t2 set b = 6 where a > 600 and a < 800;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 1015
Handler_read_rnd_next 201
flush status;
delete from t2 where a > 600;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 1015
DROP TABLE IF EXISTS `t2`;
Handler_read_rnd_next 402
drop table t2;
CREATE TABLE `t2` (
`a` int(11) default NULL,
`b` int(11) default NULL,
@ -510,42 +545,3 @@ show status like 'Handler_read_next';
Variable_name Value
Handler_read_next 0
drop table t1, t2;
drop table t1;
create table t1 (a int) partition by list(a) (
partition p0 values in (1,2),
partition p1 values in (3,4)
);
insert into t1 values (1),(1),(2),(2),(3),(4),(3),(4);
flush status;
update t1 set a=100 where a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 0
flush status;
update t1 set a=100 where a+1=5+1;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 10
flush status;
delete from t1 where a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 0
flush status;
delete from t1 where a+1=5+1;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 10
create table t2 like t1;
insert into t2 select * from t2;
flush status;
update t1,t2 set t1.a=1000, t2.a=1000 where t1.a=5 and t2.a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 3
flush status;
delete t1,t2 from t1, t2 where t1.a=5 and t2.a=5;
show status like 'Handler_read_rnd_next';
Variable_name Value
Handler_read_rnd_next 3
drop table t1,t2;