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Mistakes corrected.
TVC can be used in IN subquery and in PARTITION BY struct now.
Special variable to control working of optimization added.
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Galina Shalygina committed Oct 28, 2017
1 parent 75370a5 commit a4ded0a
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Showing 34 changed files with 826 additions and 80 deletions.
@@ -150,17 +150,17 @@ ERROR 22003: BIGINT value is out of range in '-73 * -2465717823867977728'
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2(a INT PRIMARY KEY, b INT);
SELECT '' AS b FROM t1 GROUP BY VALUES(b);
SELECT '' AS b FROM t1 GROUP BY VALUE(b);
ERROR 42S22: Unknown column '' in 'VALUES() function'
REPLACE t2(b) SELECT '' AS b FROM t1 GROUP BY VALUES(b);
REPLACE t2(b) SELECT '' AS b FROM t1 GROUP BY VALUE(b);
ERROR 42S22: Unknown column '' in 'VALUES() function'
UPDATE t2 SET a=(SELECT '' AS b FROM t1 GROUP BY VALUES(b));
UPDATE t2 SET a=(SELECT '' AS b FROM t1 GROUP BY VALUE(b));
ERROR 42S22: Unknown column '' in 'VALUES() function'
INSERT INTO t2 VALUES (1,0) ON DUPLICATE KEY UPDATE
b=(SELECT '' AS b FROM t1 GROUP BY VALUES(b));
b=(SELECT '' AS b FROM t1 GROUP BY VALUE(b));
ERROR 42S22: Unknown column '' in 'VALUES() function'
INSERT INTO t2(a,b) VALUES (1,0) ON DUPLICATE KEY UPDATE
b=(SELECT VALUES(a)+2 FROM t1);
b=(SELECT VALUE(a)+2 FROM t1);
DROP TABLE t1, t2;
#
# MDEV-492: incorrect error check before sending OK in mysql_update
@@ -226,7 +226,7 @@ create table y select 1 b;
select 1 from y group by b;
1
1
select 1 from y group by values(b);
select 1 from y group by value(b);
1
1
drop table y;
@@ -286,11 +286,11 @@ NAME_CONST('a', -(1)) OR 1
CREATE TABLE t1 (a INT, b INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,10);
CREATE VIEW v1 AS SELECT * FROM t1;
EXPLAIN EXTENDED SELECT VALUES(b) FROM v1;
EXPLAIN EXTENDED SELECT VALUE(b) FROM v1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select values(10) AS `VALUES(b)` from dual
Note 1003 select values(10) AS `VALUE(b)` from dual
drop view v1;
drop table t1;
End of 5.3 tests
@@ -1,6 +1,6 @@
create table t1 (a int);
insert into t1 values (1),(2);
select max('foo') from t1 group by values(a), extractvalue('bar','qux') order by "v";
select max('foo') from t1 group by value(a), extractvalue('bar','qux') order by "v";
max('foo')
foo
drop table t1;
@@ -49,19 +49,19 @@ a b c
5 0 30
8 9 60
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
SELECT *, VALUE(a) FROM t1;
a b c VALUE(a)
1 2 10 NULL
3 4 127 NULL
5 0 30 NULL
8 9 60 NULL
2 1 11 NULL
explain extended SELECT *, VALUES(a) FROM t1;
explain extended SELECT *, VALUE(a) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUES(a)` from `test`.`t1`
explain extended select * from t1 where values(a);
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUE(a)` from `test`.`t1`
explain extended select * from t1 where value(a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings:
@@ -160,8 +160,8 @@ a b c
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
ERROR 23000: Column 'c' in field list is ambiguous
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
SELECT *, VALUE(a) FROM t1;
a b c VALUE(a)
1 2 10 NULL
3 4 127 NULL
5 0 30 NULL
@@ -286,6 +286,10 @@ The following options may be given as the first argument:
Specifies a directory to add to the ignore list when
collecting database names from the datadir. Put a blank
argument to reset the list accumulated so far.
--in-subquery-conversion-threshold[=#]
The minimum number of scalar elements in the value list
ofIN predicate that triggers its conversion to IN
subquery
--init-connect=name Command(s) that are executed for each new connection
(unless the user has SUPER privilege)
--init-file=name Read SQL commands from this file at startup
@@ -1269,6 +1273,7 @@ idle-readwrite-transaction-timeout 0
idle-transaction-timeout 0
ignore-builtin-innodb FALSE
ignore-db-dirs
in-subquery-conversion-threshold 10000
init-connect
init-file (No default value)
init-rpl-role MASTER
@@ -4649,7 +4649,7 @@ EXECUTE IMMEDIATE MAX('SELECT 1 AS c');
ERROR HY000: Invalid use of group function
EXECUTE IMMEDIATE DEFAULT(a);
ERROR 42S22: Unknown column 'a' in 'field list'
EXECUTE IMMEDIATE VALUES(a);
EXECUTE IMMEDIATE VALUE(a);
ERROR 42S22: Unknown column 'a' in 'field list'
CREATE FUNCTION f1() RETURNS VARCHAR(64) RETURN 't1';
EXECUTE IMMEDIATE f1();
@@ -400,7 +400,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -441,7 +441,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -403,7 +403,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -444,7 +444,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -143,7 +143,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.a2.id 2 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = (/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `a2`.`id`)
Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = <expr_cache><`a2`.`id`>((/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `a2`.`id`))
This should use one table:
explain select id from v2 where id=2;
id select_type table type possible_keys key key_len ref rows Extra
@@ -171,7 +171,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.f.id 2 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = (/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `f`.`id`)
Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = <expr_cache><`f`.`id`>((/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `f`.`id`))
drop view v1, v2;
drop table t0, t1, t2;
create table t1 (a int);

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