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WL#5197 "Move @@engine_condition_pushdown to @@optimizer_switch"

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"set engine_condition_pushdown" is deprecated, engine condition pushdown is controlled
by a new "set optimizer_switch=engine_condition_pushdown=on|off".
This commit is contained in:
Guilhem Bichot 2010-01-06 11:54:45 +01:00
parent 284b836cd3
commit 716c1bce83
23 changed files with 334 additions and 88 deletions
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18
mysql-test/r/index_merge_myisam.result
View File

@ -1419,19 +1419,19 @@ drop table t1;
#
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set optimizer_switch='index_merge=off,index_merge_union=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set optimizer_switch='index_merge_union=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set optimizer_switch='default,index_merge_sort_union=off';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,engine_condition_pushdown=on
set optimizer_switch=4;
set optimizer_switch=NULL;
ERROR 42000: Variable 'optimizer_switch' can't be set to the value of 'NULL'
@ -1457,21 +1457,21 @@ set optimizer_switch=default;
set optimizer_switch='index_merge=off,index_merge_union=off,default';
select @@optimizer_switch;
@@optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set optimizer_switch=default;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set @@global.optimizer_switch=default;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
#
# Check index_merge's @@optimizer_switch flags
#
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
create table t0 (a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t1 (a int, b int, c int, filler char(100),
@ -1581,5 +1581,5 @@ id select_type table type possible_keys key key_len ref rows Extra
set optimizer_switch=default;
show variables like 'optimizer_switch';
Variable_name Value
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
drop table t0, t1;

10
mysql-test/r/mysqld--help-notwin.result
View File

@ -132,7 +132,8 @@ The following options may be given as the first argument:
on that value
--enable-locking Deprecated option, use --external-locking instead.
--engine-condition-pushdown
Push supported query conditions to the storage engine
Push supported query conditions to the storage engine.
Deprecated, use --optimizer-switch instead.
(Defaults to on; use --skip-engine-condition-pushdown to disable.)
--event-scheduler[=name]
Enable the event scheduler. Possible values are ON, OFF,
@ -413,8 +414,9 @@ The following options may be given as the first argument:
--optimizer-switch=name
optimizer_switch=option=val[,option=val...], where option
is one of {index_merge, index_merge_union,
index_merge_sort_union, index_merge_intersection} and val
is one of {on, off, default}
index_merge_sort_union, index_merge_intersection,
engine_condition_pushdown} and val is one of {on, off,
default}
--partition[=name] Enable or disable partition plugin. Possible values are
ON, OFF, FORCE (don't start if the plugin fails to load).
--pid-file=name Pid file used by safe_mysqld
@ -853,7 +855,7 @@ old-passwords FALSE
old-style-user-limits FALSE
optimizer-prune-level 1
optimizer-search-depth 62
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
partition ON
plugin-dir MYSQL_LIBDIR/mysql/plugin
plugin-load (No default value)

10
mysql-test/r/mysqld--help-win.result
View File

@ -132,7 +132,8 @@ The following options may be given as the first argument:
on that value
--enable-locking Deprecated option, use --external-locking instead.
--engine-condition-pushdown
Push supported query conditions to the storage engine
Push supported query conditions to the storage engine.
Deprecated, use --optimizer-switch instead.
(Defaults to on; use --skip-engine-condition-pushdown to disable.)
--event-scheduler[=name]
Enable the event scheduler. Possible values are ON, OFF,
@ -413,8 +414,9 @@ The following options may be given as the first argument:
--optimizer-switch=name
optimizer_switch=option=val[,option=val...], where option
is one of {index_merge, index_merge_union,
index_merge_sort_union, index_merge_intersection} and val
is one of {on, off, default}
index_merge_sort_union, index_merge_intersection,
engine_condition_pushdown} and val is one of {on, off,
default}
--partition[=name] Enable or disable partition plugin. Possible values are
ON, OFF, FORCE (don't start if the plugin fails to load).
--pid-file=name Pid file used by safe_mysqld
@ -857,7 +859,7 @@ old-passwords FALSE
old-style-user-limits FALSE
optimizer-prune-level 1
optimizer-search-depth 62
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
partition ON
plugin-dir MYSQL_LIBDIR/plugin
plugin-load (No default value)

5
mysql-test/r/optimizer_switch_eng_cond_pushdown1.result Normal file
View File

@ -0,0 +1,5 @@
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
1 1 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on

5
mysql-test/r/optimizer_switch_eng_cond_pushdown2.result Normal file
View File

@ -0,0 +1,5 @@
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off

34
mysql-test/suite/ndb/r/ndb_condition_pushdown.result
View File

@ -51,8 +51,8 @@ CREATE TABLE t3 (pk1 int unsigned NOT NULL PRIMARY KEY, attr1 int unsigned NO
insert into t3 values (0,0,0,0,"a"),(1,1,9223372036854775803,1,"b"),(2,2,9223372036854775804,2,"c"),(3,3,9223372036854775805,3,"d"),(4,4,9223372036854775806,4,"e"),(5,5,9223372036854775807,5,"f");
CREATE TABLE t4 (pk1 int unsigned NOT NULL PRIMARY KEY, attr1 int unsigned NOT NULL, attr2 bigint unsigned, attr3 tinyint unsigned, attr4 VARCHAR(10) , KEY (attr1)) ENGINE=ndbcluster;
insert into t4 values (0,0,0,0,"a"),(1,1,9223372036854775803,1,"b"),(2,2,9223372036854775804,2,"c"),(3,3,9223372036854775805,3,"d"),(4,4,9223372036854775806,4,"e"),(5,5,9223372036854775807,5,"f");
set @old_ecpd = @@session.engine_condition_pushdown;
set engine_condition_pushdown = off;
set @old_optimizer_switch = @@session.optimizer_switch;
set optimizer_switch = "engine_condition_pushdown=off";
select auto from t1 where
string = "aaaa" and
vstring = "aaaa" and
@ -484,7 +484,7 @@ pk1 attr1 attr2 attr3 attr4 pk1 attr1 attr2 attr3 attr4
2 2 9223372036854775804 2 c 2 2 9223372036854775804 2 c
3 3 9223372036854775805 3 d 3 3 9223372036854775805 3 d
4 4 9223372036854775806 4 e 4 4 9223372036854775806 4 e
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
explain
select auto from t1 where
string = "aaaa" and
@ -1769,12 +1769,12 @@ id select_type table type possible_keys key key_len ref rows Extra
create table t5 (a int primary key auto_increment, b tinytext not null)
engine = ndb;
insert into t5 (b) values ('jonas'), ('jensing'), ('johan');
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select * from t5 where b like '%jo%' order by a;
a b
1 jonas
3 johan
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
explain select * from t5 where b like '%jo%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t5 ALL NULL NULL NULL NULL # Using where
@ -1782,7 +1782,7 @@ select * from t5 where b like '%jo%' order by a;
a b
1 jonas
3 johan
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select auto from t1 where date_time like '1902-02-02 %' order by auto;
auto
2
@ -1790,7 +1790,7 @@ select auto from t1 where date_time not like '1902-02-02 %' order by auto;
auto
3
4
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
explain select auto from t1 where date_time like '1902-02-02 %';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL # Using where
@ -1808,7 +1808,7 @@ drop table t1;
create table t1 (a int, b varchar(3), primary key using hash(a))
engine=ndb;
insert into t1 values (1,'a'), (2,'ab'), (3,'abc');
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select * from t1 where b like 'ab';
a b
2 ab
@ -1821,7 +1821,7 @@ a b
select * from t1 where b like 'abc' or b like 'abc';
a b
3 abc
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
select * from t1 where b like 'ab';
a b
2 ab
@ -1838,7 +1838,7 @@ drop table t1;
create table t1 (a int, b char(3), primary key using hash(a))
engine=ndb;
insert into t1 values (1,'a'), (2,'ab'), (3,'abc');
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select * from t1 where b like 'ab';
a b
2 ab
@ -1851,7 +1851,7 @@ a b
select * from t1 where b like 'abc' or b like 'abc';
a b
3 abc
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
select * from t1 where b like 'ab';
a b
2 ab
@ -1868,11 +1868,11 @@ drop table t1;
create table t1 ( fname varchar(255), lname varchar(255) )
engine=ndbcluster;
insert into t1 values ("Young","Foo");
set engine_condition_pushdown = 0;
set optimizer_switch = "engine_condition_pushdown=off";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
fname lname
Young Foo
set engine_condition_pushdown = 1;
set optimizer_switch = "engine_condition_pushdown=on";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
fname lname
Young Foo
@ -1880,11 +1880,11 @@ insert into t1 values ("aaa", "aaa");
insert into t1 values ("bbb", "bbb");
insert into t1 values ("ccc", "ccc");
insert into t1 values ("ddd", "ddd");
set engine_condition_pushdown = 0;
set optimizer_switch = "engine_condition_pushdown=off";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
fname lname
Young Foo
set engine_condition_pushdown = 1;
set optimizer_switch = "engine_condition_pushdown=on";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
fname lname
Young Foo
@ -1896,7 +1896,7 @@ insert into t1 values (20,2,200,0+0x2222);
insert into t1 values (30,3,300,0+0x3333);
insert into t1 values (40,4,400,0+0x4444);
insert into t1 values (50,5,500,0+0x5555);
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
select a,b,d from t1
where b in (0,1,2,5)
order by b;
@ -1916,5 +1916,5 @@ a b d
50 5 21845
Warnings:
Warning 4294 Scan filter is too large, discarded
set engine_condition_pushdown = @old_ecpd;
set optimizer_switch = @old_optimizer_switch;
DROP TABLE t1,t2,t3,t4,t5;

2
mysql-test/suite/ndb/r/ndb_gis.result
View File

@ -548,7 +548,7 @@ Overlaps(@horiz1, @point2)
0
DROP TABLE t1;
End of 5.0 tests
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
DROP TABLE IF EXISTS t1, gis_point, gis_line, gis_polygon, gis_multi_point, gis_multi_line, gis_multi_polygon, gis_geometrycollection, gis_geometry;
CREATE TABLE gis_point (fid INTEGER PRIMARY KEY AUTO_INCREMENT, g POINT);
CREATE TABLE gis_line (fid INTEGER PRIMARY KEY AUTO_INCREMENT, g LINESTRING);

6
mysql-test/suite/ndb/r/ndb_index_unique.result
View File

@ -181,8 +181,8 @@ a b c
5 5 NULL
8 3 NULL
9 3 NULL
set @old_ecpd = @@session.engine_condition_pushdown;
set engine_condition_pushdown = true;
set @old_optimizer_switch = @@session.optimizer_switch;
set optimizer_switch = "engine_condition_pushdown=on";
explain select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range PRIMARY,b PRIMARY 4 NULL 1 Using where with pushed condition
@ -191,7 +191,7 @@ a b c
3 3 NULL
5 5 NULL
8 3 NULL
set engine_condition_pushdown = @old_ecpd;
set optimizer_switch = @old_optimizer_switch;
drop table t2;
CREATE TABLE t3 (
a int unsigned NOT NULL,

34
mysql-test/suite/ndb/t/ndb_condition_pushdown.test
View File

@ -68,8 +68,8 @@ CREATE TABLE t4 (pk1 int unsigned NOT NULL PRIMARY KEY, attr1 int unsigned NO
insert into t4 values (0,0,0,0,"a"),(1,1,9223372036854775803,1,"b"),(2,2,9223372036854775804,2,"c"),(3,3,9223372036854775805,3,"d"),(4,4,9223372036854775806,4,"e"),(5,5,9223372036854775807,5,"f");
set @old_ecpd = @@session.engine_condition_pushdown;
set engine_condition_pushdown = off;
set @old_optimizer_switch = @@session.optimizer_switch;
set optimizer_switch = "engine_condition_pushdown=off";
# Test all types and compare operators
select auto from t1 where
@ -453,7 +453,7 @@ select * from t2,t3 where t2.attr1 < 1 and t2.attr2 = t3.attr2 and t3.attr1 < 5
select * from t4 where attr1 < 5 and attr2 > 9223372036854775803 and attr3 != 3 order by t4.pk1;
select * from t3,t4 where t4.attr1 > 1 and t4.attr2 = t3.attr2 and t4.attr3 < 5 order by t4.pk1;
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
# Test all types and compare operators
--replace_column 9 #
@ -1674,18 +1674,18 @@ select * from t3 left join t4 on t4.attr2 = t3.attr2 where t4.attr1 > 1 and t4.a
create table t5 (a int primary key auto_increment, b tinytext not null)
engine = ndb;
insert into t5 (b) values ('jonas'), ('jensing'), ('johan');
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select * from t5 where b like '%jo%' order by a;
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
--replace_column 9 #
explain select * from t5 where b like '%jo%';
select * from t5 where b like '%jo%' order by a;
# bug#21056 ndb pushdown equal/setValue error on datetime
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select auto from t1 where date_time like '1902-02-02 %' order by auto;
select auto from t1 where date_time not like '1902-02-02 %' order by auto;
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
--replace_column 9 #
explain select auto from t1 where date_time like '1902-02-02 %';
select auto from t1 where date_time like '1902-02-02 %' order by auto;
@ -1701,12 +1701,12 @@ insert into t1 values (1,'a'), (2,'ab'), (3,'abc');
# in TUP the constants 'ab' 'abc' were expected in varchar format
# "like" returned error which became "false"
# scan filter negates "or" which exposes the bug
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select * from t1 where b like 'ab';
select * from t1 where b like 'ab' or b like 'ab';
select * from t1 where b like 'abc';
select * from t1 where b like 'abc' or b like 'abc';
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
select * from t1 where b like 'ab';
select * from t1 where b like 'ab' or b like 'ab';
select * from t1 where b like 'abc';
@ -1719,12 +1719,12 @@ engine=ndb;
insert into t1 values (1,'a'), (2,'ab'), (3,'abc');
# test that incorrect MySQL behaviour is preserved
# 'ab ' LIKE 'ab' is true in MySQL
set engine_condition_pushdown = off;
set optimizer_switch = "engine_condition_pushdown=off";
select * from t1 where b like 'ab';
select * from t1 where b like 'ab' or b like 'ab';
select * from t1 where b like 'abc';
select * from t1 where b like 'abc' or b like 'abc';
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
select * from t1 where b like 'ab';
select * from t1 where b like 'ab' or b like 'ab';
select * from t1 where b like 'abc';
@ -1736,9 +1736,9 @@ create table t1 ( fname varchar(255), lname varchar(255) )
engine=ndbcluster;
insert into t1 values ("Young","Foo");
set engine_condition_pushdown = 0;
set optimizer_switch = "engine_condition_pushdown=off";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
set engine_condition_pushdown = 1;
set optimizer_switch = "engine_condition_pushdown=on";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
# make sure optimizer does not do some crazy shortcut
@ -1747,9 +1747,9 @@ insert into t1 values ("bbb", "bbb");
insert into t1 values ("ccc", "ccc");
insert into t1 values ("ddd", "ddd");
set engine_condition_pushdown = 0;
set optimizer_switch = "engine_condition_pushdown=off";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
set engine_condition_pushdown = 1;
set optimizer_switch = "engine_condition_pushdown=on";
SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
# bug#29390 (scan filter is too large, discarded)
@ -1766,7 +1766,7 @@ insert into t1 values (30,3,300,0+0x3333);
insert into t1 values (40,4,400,0+0x4444);
insert into t1 values (50,5,500,0+0x5555);
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
select a,b,d from t1
where b in (0,1,2,5)
@ -2050,5 +2050,5 @@ select a,b,d from t1
order by b;
--enable_query_log
set engine_condition_pushdown = @old_ecpd;
set optimizer_switch = @old_optimizer_switch;
DROP TABLE t1,t2,t3,t4,t5;

2
mysql-test/suite/ndb/t/ndb_gis.test
View File

@ -1,5 +1,5 @@
--source include/have_ndb.inc
SET storage_engine=ndbcluster;
--source include/gis_generic.inc
set engine_condition_pushdown = on;
set optimizer_switch = "engine_condition_pushdown=on";
--source include/gis_generic.inc

6
mysql-test/suite/ndb/t/ndb_index_unique.test
View File

@ -112,11 +112,11 @@ insert t2 values(1,1,NULL),(2,2,2),(3,3,NULL),(4,4,4),(5,5,NULL),(6,6,6),(7,7,NU
select * from t2 where c IS NULL order by a;
select * from t2 where b = 3 AND c IS NULL order by a;
select * from t2 where (b = 3 OR b = 5) AND c IS NULL order by a;
set @old_ecpd = @@session.engine_condition_pushdown;
set engine_condition_pushdown = true;
set @old_optimizer_switch = @@session.optimizer_switch;
set optimizer_switch = "engine_condition_pushdown=on";
explain select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
select * from t2 where (b = 3 OR b = 5) AND c IS NULL AND a < 9 order by a;
set engine_condition_pushdown = @old_ecpd;
set optimizer_switch = @old_optimizer_switch;
drop table t2;

122
mysql-test/suite/sys_vars/r/engine_condition_pushdown_basic.result
View File

@ -6,19 +6,33 @@ SET @global_start_value = @@global.engine_condition_pushdown;
SELECT @global_start_value;
@global_start_value
1
select @old_session_opt_switch:=@@session.optimizer_switch,
@old_global_opt_switch:=@@global.optimizer_switch;
@old_session_opt_switch:=@@session.optimizer_switch @old_global_opt_switch:=@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
'#--------------------FN_DYNVARS_028_01------------------------#'
SET @@session.engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SET @@session.engine_condition_pushdown = DEFAULT;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SET @@global.engine_condition_pushdown = DEFAULT;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
'#---------------------FN_DYNVARS_028_02-------------------------#'
SET engine_condition_pushdown = 1;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@engine_condition_pushdown;
@@engine_condition_pushdown
1
@ -29,27 +43,39 @@ ERROR 42S02: Unknown table 'local' in field list
SELECT global.engine_condition_pushdown;
ERROR 42S02: Unknown table 'global' in field list
SET session engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET global engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
'#--------------------FN_DYNVARS_028_03------------------------#'
SET @@session.engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@session.engine_condition_pushdown = 1;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = 1;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
@ -88,11 +114,17 @@ SET @@global.engine_condition_pushdown =
ERROR 42000: Variable 'engine_condition_pushdown' can't be set to the value of 'ÓFF'
'#-------------------FN_DYNVARS_028_05----------------------------#'
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SET @@session.engine_condition_pushdown = 1;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown AS res_is_0;
res_is_0
0
SET @@global.engine_condition_pushdown = 0;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown AS res_is_1;
res_is_1
1
@ -126,43 +158,133 @@ VARIABLE_VALUE
ON
'#---------------------FN_DYNVARS_028_08-------------------------#'
SET @@session.engine_condition_pushdown = OFF;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@session.engine_condition_pushdown = ON;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = OFF;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = ON;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
'#---------------------FN_DYNVARS_028_09----------------------#'
SET @@session.engine_condition_pushdown = TRUE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@session.engine_condition_pushdown = FALSE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
0
SET @@global.engine_condition_pushdown = TRUE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = FALSE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
0
Check that @@engine_condition_pushdown influences
@@optimizer_switch and vice-versa
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set @@session.engine_condition_pushdown = TRUE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
1 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set @@session.engine_condition_pushdown = FALSE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set @@global.engine_condition_pushdown = TRUE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 1 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set @@global.engine_condition_pushdown = FALSE;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set @@session.optimizer_switch = "engine_condition_pushdown=on";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
1 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set @@session.optimizer_switch = "engine_condition_pushdown=off";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set @@global.optimizer_switch = "engine_condition_pushdown=on";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 1 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set @@global.optimizer_switch = "engine_condition_pushdown=off";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
0 0 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
SET @@session.engine_condition_pushdown = @session_start_value;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@session.engine_condition_pushdown;
@@session.engine_condition_pushdown
1
SET @@global.engine_condition_pushdown = @global_start_value;
Warnings:
Warning 1287 The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MySQL 7.0. Please use '@@optimizer_switch' instead
SELECT @@global.engine_condition_pushdown;
@@global.engine_condition_pushdown
1
set @session.optimizer_switch=@old_session_opt_switch,
@@global.optimizer_switch=@old_global_opt_switch;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
@@session.engine_condition_pushdown @@global.engine_condition_pushdown @@session.optimizer_switch @@global.optimizer_switch
1 1 index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on

26
mysql-test/suite/sys_vars/r/optimizer_switch_basic.result
View File

@ -1,45 +1,45 @@
SET @start_global_value = @@global.optimizer_switch;
SELECT @start_global_value;
@start_global_value
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
select @@session.optimizer_switch;
@@session.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
show global variables like 'optimizer_switch';
Variable_name Value
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
show session variables like 'optimizer_switch';
Variable_name Value
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
select * from information_schema.global_variables where variable_name='optimizer_switch';
VARIABLE_NAME VARIABLE_VALUE
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
select * from information_schema.session_variables where variable_name='optimizer_switch';
VARIABLE_NAME VARIABLE_VALUE
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
OPTIMIZER_SWITCH index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on
set global optimizer_switch=10;
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on
index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,engine_condition_pushdown=off
set session optimizer_switch=5;
select @@session.optimizer_switch;
@@session.optimizer_switch
index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off
index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,engine_condition_pushdown=off
set global optimizer_switch="index_merge_sort_union=on";
select @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set session optimizer_switch="index_merge=off";
select @@session.optimizer_switch;
@@session.optimizer_switch
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off
index_merge=off,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,engine_condition_pushdown=off
set session optimizer_switch="default";
select @@session.optimizer_switch;
@@session.optimizer_switch
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=off,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=off
set global optimizer_switch=1.1;
ERROR 42000: Incorrect argument type to variable 'optimizer_switch'
set global optimizer_switch=1e1;
@ -51,4 +51,4 @@ ERROR 42000: Variable 'optimizer_switch' can't be set to the value of 'foobar'
SET @@global.optimizer_switch = @start_global_value;
SELECT @@global.optimizer_switch;
@@global.optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on

48
mysql-test/suite/sys_vars/t/engine_condition_pushdown_basic.test
View File

@ -40,6 +40,10 @@ SELECT @session_start_value;
SET @global_start_value = @@global.engine_condition_pushdown;
SELECT @global_start_value;
# same for optimizer_switch
select @old_session_opt_switch:=@@session.optimizer_switch,
@old_global_opt_switch:=@@global.optimizer_switch;
--echo '#--------------------FN_DYNVARS_028_01------------------------#'
########################################################################
# Display the DEFAULT value of engine_condition_pushdown #
@ -204,6 +208,44 @@ SELECT @@global.engine_condition_pushdown;
SET @@global.engine_condition_pushdown = FALSE;
SELECT @@global.engine_condition_pushdown;
--echo Check that @@engine_condition_pushdown influences
--echo @@optimizer_switch and vice-versa
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@session.engine_condition_pushdown = TRUE;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@session.engine_condition_pushdown = FALSE;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@global.engine_condition_pushdown = TRUE;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@global.engine_condition_pushdown = FALSE;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@session.optimizer_switch = "engine_condition_pushdown=on";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@session.optimizer_switch = "engine_condition_pushdown=off";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@global.optimizer_switch = "engine_condition_pushdown=on";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
set @@global.optimizer_switch = "engine_condition_pushdown=off";
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
##############################
# Restore initial value #
##############################
@ -214,6 +256,12 @@ SELECT @@session.engine_condition_pushdown;
SET @@global.engine_condition_pushdown = @global_start_value;
SELECT @@global.engine_condition_pushdown;
set @session.optimizer_switch=@old_session_opt_switch,
@@global.optimizer_switch=@old_global_opt_switch;
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;
###############################################################
# END OF engine_condition_pushdown TESTS #
###############################################################

1
mysql-test/t/optimizer_switch_eng_cond_pushdown1-master.opt Normal file
View File

@ -0,0 +1 @@
--optimizer-switch=engine_condition_pushdown=off --engine-condition-pushdown=1

5
mysql-test/t/optimizer_switch_eng_cond_pushdown1.test Normal file
View File

@ -0,0 +1,5 @@
# check how --engine-condition-pushdown and --optimizer-switch
# influence each other when used together (last wins).
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;

1
mysql-test/t/optimizer_switch_eng_cond_pushdown2-master.opt Normal file
View File

@ -0,0 +1 @@
--engine-condition-pushdown=1 --optimizer-switch=engine_condition_pushdown=off

5
mysql-test/t/optimizer_switch_eng_cond_pushdown2.test Normal file
View File

@ -0,0 +1,5 @@
# check how --engine-condition-pushdown and --optimizer-switch
# influence each other when used together (last wins).
select @@session.engine_condition_pushdown,
@@global.engine_condition_pushdown,
@@session.optimizer_switch, @@global.optimizer_switch;

17
sql/mysql_priv.h
View File

@ -622,17 +622,19 @@ protected:
#define MODE_PAD_CHAR_TO_FULL_LENGTH (ULL(1) << 31)
/* @@optimizer_switch flags. These must be in sync with optimizer_switch_typelib */
#define OPTIMIZER_SWITCH_INDEX_MERGE 1
#define OPTIMIZER_SWITCH_INDEX_MERGE_UNION 2
#define OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION 4
#define OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT 8
#define OPTIMIZER_SWITCH_LAST 16
#define OPTIMIZER_SWITCH_INDEX_MERGE (1ULL << 0)
#define OPTIMIZER_SWITCH_INDEX_MERGE_UNION (1ULL << 1)
#define OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION (1ULL << 2)
#define OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT (1ULL << 3)
#define OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN (1ULL << 4)
#define OPTIMIZER_SWITCH_LAST (1ULL << 5)
/* The following must be kept in sync with optimizer_switch_str in mysqld.cc */
#define OPTIMIZER_SWITCH_DEFAULT (OPTIMIZER_SWITCH_INDEX_MERGE | \
OPTIMIZER_SWITCH_INDEX_MERGE_UNION | \
OPTIMIZER_SWITCH_INDEX_MERGE_SORT_UNION | \
OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT)
OPTIMIZER_SWITCH_INDEX_MERGE_INTERSECT | \
OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN)
/*
@ -2636,7 +2638,8 @@ enum options_mysqld
OPT_SSL_CIPHER,
OPT_SSL_KEY,
OPT_UPDATE_LOG,
OPT_WANT_CORE
OPT_WANT_CORE,
OPT_ENGINE_CONDITION_PUSHDOWN
};
#endif /* MYSQL_SERVER */

17
sql/mysqld.cc
View File

@ -6995,6 +6995,18 @@ mysqld_get_one_option(int optid,
}
break;
#endif /* defined(ENABLED_DEBUG_SYNC) */
case OPT_ENGINE_CONDITION_PUSHDOWN:
/*
The last of --engine-condition-pushdown and --optimizer_switch on
command line wins (see get_options().
*/
if (global_system_variables.engine_condition_pushdown)
global_system_variables.optimizer_switch|=
OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN;
else
global_system_variables.optimizer_switch&=
~OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN;
break;
}
return 0;
}
@ -7216,6 +7228,11 @@ static int get_options(int *argc,char **argv)
else
pool_of_threads_scheduler(&thread_scheduler); /* purecov: tested */
#endif
global_system_variables.engine_condition_pushdown=
test(global_system_variables.optimizer_switch &
OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN);
return 0;
}

3
sql/records.cc
View File

@ -270,7 +270,8 @@ void init_read_record(READ_RECORD *info,THD *thd, TABLE *table,
thd->variables.read_buff_size);
}
/* Condition pushdown to storage engine */
if (thd->variables.engine_condition_pushdown &&
if ((thd->variables.optimizer_switch &
OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN) &&
select && select->cond &&
(select->cond->used_tables() & table->map) &&
!table->file->pushed_cond)

6
sql/sql_select.cc
View File

@ -6347,7 +6347,8 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
/* Push condition to storage engine if this is enabled
and the condition is not guarded */
tab->table->file->pushed_cond= NULL;
if (thd->variables.engine_condition_pushdown)
if (thd->variables.optimizer_switch &
OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN)
{
COND *push_cond=
make_cond_for_table(tmp, current_map, current_map);
@ -16630,7 +16631,8 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
{
const COND *pushed_cond= tab->table->file->pushed_cond;
if (thd->variables.engine_condition_pushdown && pushed_cond)
if ((thd->variables.optimizer_switch &
OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN) && pushed_cond)
{
extra.append(STRING_WITH_LEN("; Using where with pushed "
"condition"));

39
sql/sys_vars.cc
View File

@ -1114,16 +1114,28 @@ static Sys_var_ulong Sys_optimizer_search_depth(
static const char *optimizer_switch_names[]=
{
"index_merge", "index_merge_union", "index_merge_sort_union",
"index_merge_intersection",
"index_merge_intersection", "engine_condition_pushdown",
"default", NullS
};
/** propagates changes to @@engine_condition_pushdown */
static bool fix_optimizer_switch(sys_var *self, THD *thd,
enum_var_type type)
{
SV *sv= (type == OPT_GLOBAL) ? &global_system_variables : &thd->variables;
sv->engine_condition_pushdown=
test(sv->optimizer_switch & OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN);
return false;
}
static Sys_var_flagset Sys_optimizer_switch(
"optimizer_switch",
"optimizer_switch=option=val[,option=val...], where option is one of "
"{index_merge, index_merge_union, index_merge_sort_union, "
"index_merge_intersection} and val is one of {on, off, default}",
"index_merge_intersection, engine_condition_pushdown}"
" and val is one of {on, off, default}",
SESSION_VAR(optimizer_switch), CMD_LINE(REQUIRED_ARG),
optimizer_switch_names, DEFAULT(OPTIMIZER_SWITCH_DEFAULT));
optimizer_switch_names, DEFAULT(OPTIMIZER_SWITCH_DEFAULT),
NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(NULL),
ON_UPDATE(fix_optimizer_switch));
static Sys_var_charptr Sys_pid_file(
"pid_file", "Pid file used by safe_mysqld",
@ -1820,11 +1832,26 @@ static Sys_var_ulong Sys_net_wait_timeout(
VALID_RANGE(1, IF_WIN(INT_MAX32/1000, LONG_TIMEOUT)),
DEFAULT(NET_WAIT_TIMEOUT), BLOCK_SIZE(1));
/** propagates changes to the relevant flag of @@optimizer_switch */
static bool fix_engine_condition_pushdown(sys_var *self, THD *thd,
enum_var_type type)
{
SV *sv= (type == OPT_GLOBAL) ? &global_system_variables : &thd->variables;
if (sv->engine_condition_pushdown)
sv->optimizer_switch|= OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN;
else
sv->optimizer_switch&= ~OPTIMIZER_SWITCH_ENGINE_CONDITION_PUSHDOWN;
return false;
}
static Sys_var_mybool Sys_engine_condition_pushdown(
"engine_condition_pushdown",
"Push supported query conditions to the storage engine",
SESSION_VAR(engine_condition_pushdown), CMD_LINE(OPT_ARG),
DEFAULT(TRUE));
"Push supported query conditions to the storage engine."
" Deprecated, use --optimizer-switch instead.",
SESSION_VAR(engine_condition_pushdown),
CMD_LINE(OPT_ARG, OPT_ENGINE_CONDITION_PUSHDOWN),
DEFAULT(TRUE), NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(NULL),
ON_UPDATE(fix_engine_condition_pushdown),
DEPRECATED(70000, "'@@optimizer_switch'"));
static Sys_var_plugin Sys_default_storage_engine(
"default_storage_engine", "The default storage engine for new tables",