Below is the list of changes that have just been committed into a local
5.1 repository of psergey. When psergey does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html
ChangeSet
1.2132 06/02/05 23:49:32 sergefp@stripped +2 -0
Merge
mysql-test/r/partition_pruning.result
1.7 06/02/05 23:49:31 sergefp@stripped +0 -0
SCCS merged
mysql-test/t/partition_pruning.test
1.7 06/02/05 23:34:57 sergefp@stripped +0 -0
Auto merged
# This is a BitKeeper patch. What follows are the unified diffs for the
# set of deltas contained in the patch. The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User: sergefp
# Host: newbox.mylan
# Root: /home/psergey/mysql-5.1-wl2985-postfixes/RESYNC
--- 1.6/mysql-test/r/partition_pruning.result 2006-01-26 20:17:12 +03:00
+++ 1.7/mysql-test/r/partition_pruning.result 2006-02-05 23:49:31 +03:00
@@ -11,10 +11,10 @@
insert into t1 values (1),(2),(3);
explain partitions select * from t1 where a=1;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p1 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p1 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t1 where a=2;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p0 system NULL NULL NULL NULL 1
explain partitions select * from t1 where a=1 or a=2;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 3 Using where
@@ -42,10 +42,10 @@
insert into t3 values (5),(15);
explain partitions select * from t3 where a=11;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t3 p1 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t3 where a=10;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t3 p1 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t3 where a=20;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@@ -59,11 +59,11 @@
insert into t4 values (10,2), (10,4);
explain partitions select * from t4 where (a=10 and b=1) or (a=10 and b=2);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t4 p0 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE t4 p0 system NULL NULL NULL NULL 1
explain partitions select * from t4
where (a=10 and b=1) or (a=10 and b=2) or (a=10 and b = 3);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t4 p0 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE t4 p0 system NULL NULL NULL NULL 1
explain partitions select * from t4 where (a=10 and b=2) or (a=10 and b=3)
or (a=10 and b = 4);
id select_type table partitions type possible_keys key key_len ref rows Extra
@@ -89,25 +89,25 @@
explain partitions select * from t5
where (a=10 and b=1) or (a=10 and b=2) or (a=10 and b = 3);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t5 p0_sp0,p0_sp1 ALL NULL NULL NULL NULL 4 Using where
+1 SIMPLE t5 p0_sp0,p0_sp1 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t5 where (a=10 and b=2) or (a=10 and b=3)
or (a=10 and b = 4);
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t5 p0_sp0,p0_sp1,p1_sp0,p1_sp1 ALL NULL NULL NULL NULL 4 Using where
explain partitions select * from t5 where (c=1 and d=1);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t5 p0_sp0,p1_sp0 ALL NULL NULL NULL NULL 4 Using where
+1 SIMPLE t5 p0_sp0,p1_sp0 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t5 where (c=2 and d=1);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t5 p0_sp1,p1_sp1 ALL NULL NULL NULL NULL 4 Using where
+1 SIMPLE t5 p0_sp1,p1_sp1 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t5 where (a=10 and b=2 and c=1 and d=1) or
(c=2 and d=1);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t5 p0_sp0,p0_sp1,p1_sp1 ALL NULL NULL NULL NULL 4 Using where
+1 SIMPLE t5 p0_sp0,p0_sp1,p1_sp1 ALL NULL NULL NULL NULL 3 Using where
explain partitions select * from t5 where (a=10 and b=2 and c=1 and d=1) or
(b=2 and c=2 and d=1);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t5 p0_sp0,p0_sp1,p1_sp1 ALL NULL NULL NULL NULL 4 Using where
+1 SIMPLE t5 p0_sp0,p0_sp1,p1_sp1 ALL NULL NULL NULL NULL 3 Using where
create table t6 (a int not null) partition by LIST(a) (
partition p1 values in (1),
partition p3 values in (3),
@@ -121,31 +121,31 @@
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t6 where a <= 1;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p1 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t6 p1 system NULL NULL NULL NULL 1
explain partitions select * from t6 where a > 9;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t6 where a >= 9;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p9 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t6 where a > 0 and a < 5;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p1,p3 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t6 p1,p3 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t6 where a > 5 and a < 12;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p7,p9 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t6 where a > 3 and a < 8 ;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p5,p7 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t6 p5,p7 system NULL NULL NULL NULL 1
explain partitions select * from t6 where a >= 0 and a <= 5;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t6 p1,p3,p5 ALL NULL NULL NULL NULL 3 Using where
explain partitions select * from t6 where a >= 5 and a <= 12;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p5,p7,p9 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t6 p5,p7,p9 system NULL NULL NULL NULL 1
explain partitions select * from t6 where a >= 3 and a <= 8;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t6 p3,p5,p7 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t6 p3,p5,p7 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t6 where a > 3 and a < 5;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@@ -159,16 +159,16 @@
insert into t7 values (10),(30),(50);
explain partitions select * from t7 where a < 5;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t7 p10 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t7 where a < 10;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t7 p10 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t7 where a <= 10;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t7 p10,p30 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t7 p10,p30 system NULL NULL NULL NULL 1
explain partitions select * from t7 where a = 10;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t7 p30 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t7 p30 system NULL NULL NULL NULL 1
explain partitions select * from t7 where a < 90;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t7 p10,p30,p50,p70,p90 ALL NULL NULL NULL NULL 3 Using where
@@ -183,7 +183,7 @@
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t7 where a > 11 and a < 29;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t7 p30 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
create table t8 (a date not null) partition by RANGE(YEAR(a)) (
partition p0 values less than (1980),
partition p1 values less than (1990),
@@ -192,7 +192,7 @@
insert into t8 values ('1985-05-05'),('1995-05-05');
explain partitions select * from t8 where a < '1980-02-02';
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t8 p0,p1 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
create table t9 (a date not null) partition by RANGE(TO_DAYS(a)) (
partition p0 values less than (732299), -- 2004-12-19
partition p1 values less than (732468), -- 2005-06-06
@@ -201,7 +201,7 @@
insert into t9 values ('2005-05-05'), ('2005-04-04');
explain partitions select * from t9 where a < '2004-12-19';
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t9 p0 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t9 where a <= '2004-12-19';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t9 p0,p1 ALL NULL NULL NULL NULL 2 Using where
@@ -224,10 +224,10 @@
insert into t1 values (1),(2),(3);
explain partitions select * from t1 where a1 > 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p1,p2 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t1 where a1 >= 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p1,p2 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p1,p2 system NULL NULL NULL NULL 1
explain partitions select * from t1 where a1 < 3 and a1 > 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
@@ -242,19 +242,19 @@
insert into t3 values (1,1),(2,2),(3,3);
explain partitions select * from t3 where a=2 or b=1;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t3 p0_sp1,p1_sp0,p1_sp1,p1_sp2,p1_sp3,p2_sp1,p3_sp1 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t3 p0_sp1,p1_sp0,p1_sp1,p1_sp2,p1_sp3,p2_sp1,p3_sp1 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t3 where a=4 or b=2;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t3 p0_sp2,p1_sp2,p2_sp2,p3_sp0,p3_sp1,p3_sp2,p3_sp3 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t3 p0_sp2,p1_sp2,p2_sp2,p3_sp0,p3_sp1,p3_sp2,p3_sp3 system NULL NULL NULL NULL 1
explain partitions select * from t3 where (a=2 or b=1) and (a=4 or b=2) ;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t3 p1_sp2,p3_sp1 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t3 p1_sp2,p3_sp1 system NULL NULL NULL NULL 1
drop table t3;
create table t1 (a int) partition by hash(a) partitions 2;
insert into t1 values (1),(2);
explain partitions select * from t1 where a is null;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 2 Using where
+1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
explain partitions select * from t1 where a is not null;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0,p1 ALL NULL NULL NULL NULL 2 Using where
@@ -266,25 +266,25 @@
select * from t1 X, t1 Y
where X.b = Y.b and (X.a=1 or X.a=2) and (Y.a=2 or Y.a=3);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE X p1,p2 ALL a,b NULL NULL NULL 4 Using where
+1 SIMPLE X p1,p2 ALL a,b NULL NULL NULL 2 Using where
1 SIMPLE Y p2,p3 ref a,b b 4 test.X.b 2 Using where
explain partitions
select * from t1 X, t1 Y where X.a = Y.a and (X.a=1 or X.a=2);
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE X p1,p2 ALL a NULL NULL NULL 4 Using where
+1 SIMPLE X p1,p2 ALL a NULL NULL NULL 2 Using where
1 SIMPLE Y p1,p2 ref a a 4 test.X.a 2
drop table t1;
create table t1 (a int) partition by hash(a) partitions 20;
insert into t1 values (1),(2),(3);
explain partitions select * from t1 where a > 1 and a < 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p2 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p2 system NULL NULL NULL NULL 1
explain partitions select * from t1 where a >= 1 and a < 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p1,p2 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p1,p2 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t1 where a > 1 and a <= 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p2,p3 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p2,p3 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t1 where a >= 1 and a <= 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1,p2,p3 ALL NULL NULL NULL NULL 3 Using where
@@ -300,10 +300,216 @@
insert into t1 values (1,1),(2,2),(3,3);
explain partitions select * from t1 where b > 1 and b < 3;
id select_type table partitions type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 p0_sp2,p1_sp2,p2_sp2,p3_sp2 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p0_sp2,p1_sp2,p2_sp2,p3_sp2 system NULL NULL NULL NULL 1
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 ALL NULL NULL NULL NULL 3 Using where
+1 SIMPLE t1 p1_sp2,p2_sp2 system NULL NULL NULL NULL 1
+DROP TABLE IF EXISTS `t1`;
+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`;
+CREATE TABLE `t2` (
+`a` int(11) default NULL,
+`b` int(11) default NULL
+)
+PARTITION BY RANGE (a) (
+PARTITION p0 VALUES LESS THAN (200),
+PARTITION p1 VALUES LESS THAN (400),
+PARTITION p2 VALUES LESS THAN (600),
+PARTITION p3 VALUES LESS THAN (800),
+PARTITION p4 VALUES LESS THAN (1001));
+insert into t2 select a,1 from t1 where a < 200;
+insert into t2 select a,2 from t1 where a >= 200 and a < 400;
+insert into t2 select a,3 from t1 where a >= 400 and a < 600;
+insert into t2 select a,4 from t1 where a >= 600 and a < 800;
+insert into t2 select a,5 from t1 where a >= 800 and a < 1001;
+explain partitions select * from t2;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL NULL NULL NULL NULL 1010
+explain partitions select * from t2 where a < 801 and a > 200;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p1,p2,p3,p4 ALL NULL NULL NULL NULL 800 Using where
+explain partitions select * from t2 where a < 801 and a > 800;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p4 ALL NULL NULL NULL NULL 200 Using where
+explain partitions select * from t2 where a > 600;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p3,p4 ALL NULL NULL NULL NULL 400 Using where
+explain partitions select * from t2 where a > 600 and b = 1;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p3,p4 ALL NULL NULL NULL NULL 400 Using where
+explain partitions select * from t2 where a > 600 and b = 4;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p3,p4 ALL NULL NULL NULL NULL 400 Using where
+explain partitions select * from t2 where a > 600 and b = 5;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p3,p4 ALL NULL NULL NULL NULL 400 Using where
+explain partitions select * from t2 where b = 5;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL NULL NULL NULL NULL 1010 Using where
+flush status;
+update t2 set b = 100 where b = 6;
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 1015
+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
+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
+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
+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`;
+CREATE TABLE `t2` (
+`a` int(11) default NULL,
+`b` int(11) default NULL,
+index (b)
+)
+PARTITION BY RANGE (a) (
+PARTITION p0 VALUES LESS THAN (200),
+PARTITION p1 VALUES LESS THAN (400),
+PARTITION p2 VALUES LESS THAN (600),
+PARTITION p3 VALUES LESS THAN (800),
+PARTITION p4 VALUES LESS THAN (1001));
+insert into t2 select a,1 from t1 where a < 100;
+insert into t2 select a,2 from t1 where a >= 200 and a < 300;
+insert into t2 select a,3 from t1 where a >= 300 and a < 400;
+insert into t2 select a,4 from t1 where a >= 400 and a < 500;
+insert into t2 select a,5 from t1 where a >= 500 and a < 600;
+insert into t2 select a,6 from t1 where a >= 600 and a < 700;
+insert into t2 select a,7 from t1 where a >= 700 and a < 800;
+insert into t2 select a,8 from t1 where a >= 800 and a < 900;
+insert into t2 select a,9 from t1 where a >= 900 and a < 1001;
+explain partitions select * from t2;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL NULL NULL NULL NULL 910
+explain partitions select * from t2 where a = 101;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0 ALL NULL NULL NULL NULL 110 Using where
+explain partitions select * from t2 where a = 550;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p2 ALL NULL NULL NULL NULL 200 Using where
+explain partitions select * from t2 where a = 833;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p4 ALL NULL NULL NULL NULL 200 Using where
+explain partitions select * from t2 where (a = 100 OR a = 900);
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p4 ALL NULL NULL NULL NULL 310 Using where
+explain partitions select * from t2 where (a > 100 AND a < 600);
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3 ALL NULL NULL NULL NULL 710 Using where
+explain partitions select * from t2 where b = 4;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ref b b 5 const 76 Using where
+explain partitions select * from t2 where b = 6;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ref b b 5 const 76 Using where
+explain partitions select * from t2 where b in (1,3,5);
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL b NULL NULL NULL 910 Using where
+explain partitions select * from t2 where b in (2,4,6);
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL b NULL NULL NULL 910 Using where
+explain partitions select * from t2 where b in (7,8,9);
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL b NULL NULL NULL 910 Using where
+explain partitions select * from t2 where b > 5;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL b NULL NULL NULL 910 Using where
+explain partitions select * from t2 where b > 5 and b < 8;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL b NULL NULL NULL 910 Using where
+explain partitions select * from t2 where b > 5 and b < 7;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 range b b 5 NULL 76 Using where
+explain partitions select * from t2 where b > 0 and b < 5;
+id select_type table partitions type possible_keys key key_len ref rows Extra
+1 SIMPLE t2 p0,p1,p2,p3,p4 ALL b NULL NULL NULL 910 Using where
+flush status;
+update t2 set a = 111 where b = 10;
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 0
+show status like 'Handler_read_key';
+Variable_name Value
+Handler_read_key 5
+flush status;
+update t2 set a = 111 where b in (5,6);
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 915
+show status like 'Handler_read_key';
+Variable_name Value
+Handler_read_key 0
+flush status;
+update t2 set a = 222 where b = 7;
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 0
+show status like 'Handler_read_key';
+Variable_name Value
+Handler_read_key 5
+flush status;
+delete from t2 where b = 7;
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 0
+show status like 'Handler_read_key';
+Variable_name Value
+Handler_read_key 5
+flush status;
+delete from t2 where b > 5;
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 1215
+show status like 'Handler_read_key';
+Variable_name Value
+Handler_read_key 0
+show status like 'Handler_read_prev';
+Variable_name Value
+Handler_read_prev 0
+show status like 'Handler_read_next';
+Variable_name Value
+Handler_read_next 0
+flush status;
+delete from t2 where b < 5 or b > 3;
+show status like 'Handler_read_rnd_next';
+Variable_name Value
+Handler_read_rnd_next 1215
+show status like 'Handler_read_key';
+Variable_name Value
+Handler_read_key 0
+show status like 'Handler_read_prev';
+Variable_name Value
+Handler_read_prev 0
+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),
--- 1.6/mysql-test/t/partition_pruning.test 2006-01-26 20:17:12 +03:00
+++ 1.7/mysql-test/t/partition_pruning.test 2006-02-05 23:34:57 +03:00
@@ -316,5 +316,137 @@
show status like 'Handler_read_rnd_next';
drop table t1,t2;
+# WL# 2986
+DROP TABLE IF EXISTS `t1`;
+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`;
+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`;
+CREATE TABLE `t2` (
+ `a` int(11) default NULL,
+ `b` int(11) default NULL
+)
+PARTITION BY RANGE (a) (
+PARTITION p0 VALUES LESS THAN (200),
+PARTITION p1 VALUES LESS THAN (400),
+PARTITION p2 VALUES LESS THAN (600),
+PARTITION p3 VALUES LESS THAN (800),
+PARTITION p4 VALUES LESS THAN (1001));
+
+insert into t2 select a,1 from t1 where a < 200;
+insert into t2 select a,2 from t1 where a >= 200 and a < 400;
+insert into t2 select a,3 from t1 where a >= 400 and a < 600;
+insert into t2 select a,4 from t1 where a >= 600 and a < 800;
+insert into t2 select a,5 from t1 where a >= 800 and a < 1001;
+
+explain partitions select * from t2;
+explain partitions select * from t2 where a < 801 and a > 200;
+explain partitions select * from t2 where a < 801 and a > 800;
+explain partitions select * from t2 where a > 600;
+explain partitions select * from t2 where a > 600 and b = 1;
+explain partitions select * from t2 where a > 600 and b = 4;
+explain partitions select * from t2 where a > 600 and b = 5;
+explain partitions select * from t2 where b = 5;
+
+flush status;
+update t2 set b = 100 where b = 6;
+show status like 'Handler_read_rnd_next';
+flush status;
+update t2 set a = 1002 where a = 1001;
+show status like 'Handler_read_rnd_next';
+flush status;
+update t2 set b = 6 where a = 600;
+show status like 'Handler_read_rnd_next';
+flush status;
+update t2 set b = 6 where a > 600 and a < 800;
+show status like 'Handler_read_rnd_next';
+flush status;
+delete from t2 where a > 600;
+show status like 'Handler_read_rnd_next';
+
+
+DROP TABLE IF EXISTS `t2`;
+CREATE TABLE `t2` (
+ `a` int(11) default NULL,
+ `b` int(11) default NULL,
+ index (b)
+)
+PARTITION BY RANGE (a) (
+PARTITION p0 VALUES LESS THAN (200),
+PARTITION p1 VALUES LESS THAN (400),
+PARTITION p2 VALUES LESS THAN (600),
+PARTITION p3 VALUES LESS THAN (800),
+PARTITION p4 VALUES LESS THAN (1001));
+
+insert into t2 select a,1 from t1 where a < 100;
+insert into t2 select a,2 from t1 where a >= 200 and a < 300;
+insert into t2 select a,3 from t1 where a >= 300 and a < 400;
+insert into t2 select a,4 from t1 where a >= 400 and a < 500;
+insert into t2 select a,5 from t1 where a >= 500 and a < 600;
+insert into t2 select a,6 from t1 where a >= 600 and a < 700;
+insert into t2 select a,7 from t1 where a >= 700 and a < 800;
+insert into t2 select a,8 from t1 where a >= 800 and a < 900;
+insert into t2 select a,9 from t1 where a >= 900 and a < 1001;
+
+explain partitions select * from t2;
+# not using indexes
+explain partitions select * from t2 where a = 101;
+explain partitions select * from t2 where a = 550;
+explain partitions select * from t2 where a = 833;
+explain partitions select * from t2 where (a = 100 OR a = 900);
+explain partitions select * from t2 where (a > 100 AND a < 600);
+explain partitions select * from t2 where b = 4;
+explain partitions select * from t2 where b = 6;
+explain partitions select * from t2 where b in (1,3,5);
+explain partitions select * from t2 where b in (2,4,6);
+explain partitions select * from t2 where b in (7,8,9);
+explain partitions select * from t2 where b > 5;
+explain partitions select * from t2 where b > 5 and b < 8;
+explain partitions select * from t2 where b > 5 and b < 7;
+explain partitions select * from t2 where b > 0 and b < 5;
+
+flush status;
+update t2 set a = 111 where b = 10;
+show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_key';
+flush status;
+update t2 set a = 111 where b in (5,6);
+show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_key';
+flush status;
+update t2 set a = 222 where b = 7;
+show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_key';
+flush status;
+delete from t2 where b = 7;
+show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_key';
+flush status;
+delete from t2 where b > 5;
+show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_key';
+show status like 'Handler_read_prev';
+show status like 'Handler_read_next';
+flush status;
+delete from t2 where b < 5 or b > 3;
+show status like 'Handler_read_rnd_next';
+show status like 'Handler_read_key';
+show status like 'Handler_read_prev';
+show status like 'Handler_read_next';
+
+drop table t1, t2;
# No tests for NULLs in RANGE(monotonic_expr()) - they depend on BUG#15447
# being fixed.
| Thread |
|---|
| • bk commit into 5.1 tree (sergefp:1.2132) | Sergey Petrunia | 5 Feb |
