mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 20:36:16 +01:00
983 lines
28 KiB
Text
983 lines
28 KiB
Text
set @save_storage_engine= @@default_storage_engine;
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set default_storage_engine=InnoDB;
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set @innodb_stats_persistent_save= @@innodb_stats_persistent;
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set @innodb_stats_persistent_sample_pages_save=
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@@innodb_stats_persistent_sample_pages;
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set global innodb_stats_persistent= 1;
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set global innodb_stats_persistent_sample_pages=100;
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set @innodb_icp_tmp=@@optimizer_switch;
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set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
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#
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# Bug#36981 - "innodb crash when selecting for update"
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#
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CREATE TABLE t1 (
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c1 CHAR(1),
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c2 CHAR(10),
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KEY (c1)
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);
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INSERT INTO t1 VALUES ('3', null);
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SELECT * FROM t1 WHERE c1='3' FOR UPDATE;
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c1 c2
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3 NULL
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DROP TABLE t1;
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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CREATE TABLE t2 (a INT);
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INSERT INTO t2 SELECT A.a + 10*(B.a + 10*C.a) FROM t1 A, t1 B, t1 C;
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CREATE TABLE t3 (
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c1 CHAR(10) NOT NULL,
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c2 CHAR(10) NOT NULL,
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c3 CHAR(200) NOT NULL,
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KEY (c1)
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);
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INSERT INTO t3
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SELECT CONCAT('c-',1000+t2.a,'=w'), CONCAT('c-',1000+ t2.a,'=w'), 'filler'
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FROM t2;
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INSERT INTO t3
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SELECT CONCAT('c-',1000+t2.a,'=w'), CONCAT('c-',2000+t2.a,'=w'), 'filler-1'
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FROM t2;
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INSERT INTO t3
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SELECT CONCAT('c-',1000+t2.a,'=w'), CONCAT('c-',3000+t2.a,'=w'), 'filler-2'
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FROM t2;
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SELECT c1,c3 FROM t3 WHERE c1 >= 'c-1994=w' and c1 != 'c-1996=w' FOR UPDATE;
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c1 c3
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c-1994=w filler
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c-1994=w filler-1
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c-1994=w filler-2
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c-1995=w filler
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c-1995=w filler-1
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c-1995=w filler-2
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c-1997=w filler
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c-1997=w filler-1
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c-1997=w filler-2
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c-1998=w filler
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c-1998=w filler-1
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c-1998=w filler-2
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c-1999=w filler
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c-1999=w filler-1
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c-1999=w filler-2
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DROP TABLE t1,t2,t3;
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#
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# Bug#42580 - Innodb's ORDER BY ..LIMIT returns no rows for
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# null-safe operator <=> NULL
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#
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CREATE TABLE t1(
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c1 DATE NOT NULL,
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c2 DATE NULL,
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c3 DATETIME,
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c4 TIMESTAMP,
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PRIMARY KEY(c1),
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UNIQUE(c2)
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);
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INSERT INTO t1 VALUES('0000-00-00', '0000-00-00', '2008-01-04', '2008-01-05');
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INSERT INTO t1 VALUES('2007-05-25', '2007-05-25', '2007-05-26', '2007-05-26');
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INSERT INTO t1 VALUES('2008-01-01', NULL , '2008-01-02', '2008-01-03');
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INSERT INTO t1 VALUES('2008-01-17', NULL , NULL , '2009-01-29');
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INSERT INTO t1 VALUES('2009-01-29', '2009-01-29', '2009-01-29', '2009-01-29');
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SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c1,c2;
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c1 c2 c3 c4
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2008-01-01 NULL 2008-01-02 00:00:00 2008-01-03 00:00:00
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2008-01-17 NULL NULL 2009-01-29 00:00:00
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SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2;
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c1 c2 c3 c4
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2008-01-01 NULL 2008-01-02 00:00:00 2008-01-03 00:00:00
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2008-01-17 NULL NULL 2009-01-29 00:00:00
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DROP TABLE t1;
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#
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# Bug#43617 - Innodb returns wrong results with timestamp's range value
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# in IN clause
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# (Note: Fixed by patch for BUG#42580)
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#
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CREATE TABLE t1(
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c1 TIMESTAMP NOT NULL,
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c2 TIMESTAMP NULL,
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c3 DATE,
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c4 DATETIME,
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PRIMARY KEY(c1),
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UNIQUE INDEX(c2)
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);
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INSERT INTO t1 VALUES
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('0000-00-00 00:00:00','0000-00-00 00:00:00','2008-01-04','2008-01-05 00:00:00'),
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('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02 00:00:00'),
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('1999-01-01 00:00:00','1999-01-01 00:00:00', NULL, NULL),
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('2007-05-23 09:15:28','2007-05-23 09:15:28','2007-05-24','2007-05-24 09:15:28'),
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('2007-05-27 00:00:00','2007-05-25 00:00:00','2007-05-26','2007-05-26 00:00:00'),
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('2008-01-01 00:00:00', NULL, '2008-01-02','2008-01-03 00:00:00'),
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('2009-01-29 11:11:27','2009-01-29 11:11:27','2009-01-29','2009-01-29 11:11:27'),
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('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06 00:00:00');
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SELECT *
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FROM t1
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WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
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ORDER BY c2;
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c1 c2 c3 c4
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2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
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SELECT *
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FROM t1
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WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
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ORDER BY c2 LIMIT 2;
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c1 c2 c3 c4
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2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
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SELECT *
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FROM t1
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WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
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ORDER BY c2 DESC;
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c1 c2 c3 c4
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2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
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SELECT *
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FROM t1
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WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07')
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ORDER BY c2 DESC LIMIT 2;
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c1 c2 c3 c4
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2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00
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DROP TABLE t1;
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#
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# BUG#43618: MyISAM&Maria returns wrong results with 'between'
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# on timestamp
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#
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CREATE TABLE t1(
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ts TIMESTAMP NOT NULL,
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c char NULL,
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PRIMARY KEY(ts)
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);
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INSERT INTO t1 VALUES
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('1971-01-01','a'),
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('2007-05-25','b'),
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('2008-01-01','c'),
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('2038-01-09','d');
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# Execute select with invalid timestamp, desc ordering
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SELECT *
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FROM t1 FORCE INDEX(PRIMARY)
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WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
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ORDER BY ts DESC
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LIMIT 2;
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ts c
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2008-01-01 00:00:00 c
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2007-05-25 00:00:00 b
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# Should use index condition
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EXPLAIN
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SELECT *
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FROM t1 FORCE INDEX(PRIMARY)
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WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
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ORDER BY ts DESC
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LIMIT 2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using where
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DROP TABLE t1;
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#
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# BUG#49906: Assertion failed - Field_varstring::val_str in field.cc
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# (Note: Fixed by patch for LP BUG#625841)
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#
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CREATE TABLE t1 (
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f1 VARCHAR(1024),
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f2 VARCHAR(10),
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INDEX test_idx USING BTREE (f2,f1(5))
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);
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INSERT INTO t1 VALUES ('a','c'), ('b','d');
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SELECT f1
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FROM t1
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WHERE f2 LIKE 'd'
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ORDER BY f1;
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f1
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b
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DROP TABLE t1;
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#
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# Bug#52660 - "Perf. regr. using ICP for MyISAM on range queries on
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# an index containing TEXT"
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#
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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CREATE TABLE t2 (a INT);
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INSERT INTO t2 SELECT A.a + 10*(B.a) FROM t1 A, t1 B;
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CREATE TABLE t3 (
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c1 TINYTEXT NOT NULL,
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i1 INT NOT NULL,
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KEY (c1(6),i1)
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);
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INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), 1 FROM t2;
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EXPLAIN
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SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 range c1 c1 8 NULL 3 Using where
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SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w';
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c1
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c-1004=w
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c-1005=w
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c-1006=w
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EXPLAIN
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SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 range c1 c1 12 NULL 2 Using index condition; Using where
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SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2;
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c1
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EXPLAIN
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SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t3 ALL c1 NULL NULL NULL 100 Using where
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SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2;
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c1
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c-1004=w
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c-1005=w
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c-1006=w
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DROP TABLE t1, t2, t3;
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#
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# Bug#40992 - InnoDB: Crash when engine_condition_pushdown is on
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#
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CREATE TABLE t (
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dummy INT PRIMARY KEY,
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a INT UNIQUE,
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b INT
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);
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INSERT INTO t VALUES (1,1,1),(3,3,3),(5,5,5);
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SELECT * FROM t WHERE a > 2 FOR UPDATE;
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dummy a b
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3 3 3
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5 5 5
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DROP TABLE t;
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#
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# Bug#35080 - Innodb crash at mem_block_get_len line 72
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#
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CREATE TABLE t1 (
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t1_autoinc INT(11) NOT NULL AUTO_INCREMENT,
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uuid VARCHAR(36) DEFAULT NULL,
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PRIMARY KEY (t1_autoinc),
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KEY k (uuid)
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);
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CREATE TABLE t2 (
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t2_autoinc INT(11) NOT NULL AUTO_INCREMENT,
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uuid VARCHAR(36) DEFAULT NULL,
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date DATETIME DEFAULT NULL,
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PRIMARY KEY (t2_autoinc),
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KEY k (uuid)
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);
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CREATE VIEW v1 AS
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SELECT t1_autoinc, uuid
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FROM t1
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WHERE (ISNULL(uuid) OR (uuid like '%-%'));
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CREATE VIEW v2 AS
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SELECT t2_autoinc, uuid, date
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FROM t2
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WHERE (ISNULL(uuid) OR (LENGTH(uuid) = 36));
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CREATE PROCEDURE delete_multi (IN uuid CHAR(36))
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DELETE v1, v2 FROM v1 INNER JOIN v2
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ON v1.uuid = v2.uuid
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WHERE v1.uuid = @uuid;
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SET @uuid = UUID();
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INSERT INTO v1 (uuid) VALUES (@uuid);
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INSERT INTO v2 (uuid, date) VALUES (@uuid, '2009-09-09');
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CALL delete_multi(@uuid);
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DROP procedure delete_multi;
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DROP table t1,t2;
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DROP view v1,v2;
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#
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# Bug#41996 - multi-table delete crashes server (InnoDB table)
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#
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CREATE TABLE t1 (
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b BIGINT,
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i INT,
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KEY (b)
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);
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INSERT INTO t1 VALUES (2, 2);
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DELETE t1 FROM t1 a, t1 WHERE a.i=t1.b;
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DROP TABLE t1;
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#
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# Bug#43448 - Server crashes on multi table delete with Innodb
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#
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CREATE TABLE t1 (
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id1 INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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t CHAR(12)
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);
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CREATE TABLE t2 (
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id2 INT NOT NULL,
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t CHAR(12)
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);
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CREATE TABLE t3(
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id3 INT NOT NULL,
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t CHAR(12),
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INDEX(id3)
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);
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CREATE PROCEDURE insert_data ()
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BEGIN
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DECLARE i1 INT DEFAULT 20;
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DECLARE i2 INT;
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DECLARE i3 INT;
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WHILE (i1 > 0) DO
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INSERT INTO t1(t) VALUES (i1);
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SET i2 = 2;
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WHILE (i2 > 0) DO
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INSERT INTO t2(id2, t) VALUES (i1, i2);
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SET i3 = 2;
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WHILE (i3 > 0) DO
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INSERT INTO t3(id3, t) VALUES (i1, i2);
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SET i3 = i3 -1;
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END WHILE;
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SET i2 = i2 -1;
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END WHILE;
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SET i1 = i1 - 1;
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END WHILE;
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END |
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CALL insert_data();
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SELECT COUNT(*) FROM t1 WHERE id1 > 10;
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COUNT(*)
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10
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SELECT COUNT(*) FROM t2 WHERE id2 > 10;
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COUNT(*)
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20
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SELECT COUNT(*) FROM t3 WHERE id3 > 10;
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COUNT(*)
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40
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DELETE t1, t2, t3
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FROM t1, t2, t3
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WHERE t1.id1 = t2.id2 AND t2.id2 = t3.id3 AND t1.id1 > 3;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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3
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SELECT COUNT(*) FROM t2;
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COUNT(*)
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6
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SELECT COUNT(*) FROM t3;
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COUNT(*)
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12
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DROP PROCEDURE insert_data;
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DROP TABLE t1, t2, t3;
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#
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# Bug#57372 "Multi-table updates and deletes fail when running with ICP
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# against InnoDB"
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#
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CREATE TABLE t1 (
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a INT KEY,
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b INT
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);
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CREATE TABLE t2 (
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a INT KEY,
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b INT
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);
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INSERT INTO t1 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105);
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INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5);
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UPDATE t1, t2
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SET t1.a = t1.a + 100, t2.b = t1.a + 10
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WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b - 100;
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SELECT * FROM t1;
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a b
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1 101
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102 102
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103 103
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104 104
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5 105
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SELECT * FROM t2;
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a b
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1 1
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2 12
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3 13
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4 14
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5 5
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DROP TABLE t1, t2;
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#
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# Bug#52605 - "Adding LIMIT 1 clause to query with complex range
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# predicate causes wrong results"
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#
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CREATE TABLE t1 (
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pk INT NOT NULL,
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c1 INT,
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PRIMARY KEY (pk),
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KEY k1 (c1)
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);
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INSERT INTO t1 VALUES (1,NULL);
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INSERT INTO t1 VALUES (2,6);
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INSERT INTO t1 VALUES (3,NULL);
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INSERT INTO t1 VALUES (4,6);
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INSERT INTO t1 VALUES (5,NULL);
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INSERT INTO t1 VALUES (6,NULL);
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INSERT INTO t1 VALUES (7,9);
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INSERT INTO t1 VALUES (8,0);
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SELECT pk, c1
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FROM t1
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WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
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ORDER BY c1
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LIMIT 1;
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pk c1
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4 6
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EXPLAIN SELECT pk, c1
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FROM t1
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WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
|
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ORDER BY c1
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LIMIT 1;
|
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id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range PRIMARY,k1 k1 5 NULL 4 Using where; Using index
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DROP TABLE t1;
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|
#
|
|
#
|
|
# Bug#59259 "Incorrect rows returned for a correlated subquery
|
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# when ICP is on"
|
|
#
|
|
CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL);
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INSERT INTO t1 VALUES (11,0);
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INSERT INTO t1 VALUES (12,5);
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INSERT INTO t1 VALUES (15,0);
|
|
CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL);
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INSERT INTO t2 VALUES (11,1);
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INSERT INTO t2 VALUES (12,2);
|
|
INSERT INTO t2 VALUES (15,4);
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analyze table t1,t2 persistent for all;
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Table Op Msg_type Msg_text
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|
test.t1 analyze status Engine-independent statistics collected
|
|
test.t1 analyze status OK
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|
test.t2 analyze status Engine-independent statistics collected
|
|
test.t2 analyze status OK
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|
set @save_optimizer_switch= @@optimizer_switch;
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|
set optimizer_switch='semijoin=off';
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EXPLAIN
|
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SELECT * FROM t1
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WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
|
|
id select_type table type possible_keys key key_len ref rows Extra
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|
1 PRIMARY t1 ALL NULL NULL NULL NULL # Using where
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2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func # Using where
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|
2 DEPENDENT SUBQUERY t2 index NULL PRIMARY 4 NULL # Using index; Using join buffer (flat, BNL join)
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SELECT * FROM t1
|
|
WHERE pk IN (SELECT it.pk FROM t2 JOIN t2 AS it ON it.i=it.i WHERE it.pk-t1.i<10);
|
|
pk i
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|
12 5
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|
set optimizer_switch=@save_optimizer_switch;
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# Bug #58816 "Extra temporary duplicate rows in result set when
|
|
# switching ICP off"
|
|
#
|
|
set @save_optimizer_switch= @@optimizer_switch;
|
|
CREATE TABLE t1 (
|
|
pk INT NOT NULL,
|
|
c1 INT NOT NULL,
|
|
PRIMARY KEY (pk)
|
|
);
|
|
INSERT INTO t1 VALUES (1,9),(2,7),(3,6),(4,3),(5,1);
|
|
EXPLAIN SELECT pk, c1 FROM t1 WHERE (pk<3 or pk>3);
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using where
|
|
SET SESSION optimizer_switch='index_condition_pushdown=off';
|
|
SELECT pk, c1 FROM t1 WHERE (pk<3 or pk>3);
|
|
pk c1
|
|
1 9
|
|
2 7
|
|
4 3
|
|
5 1
|
|
DROP TABLE t1;
|
|
set optimizer_switch= @save_optimizer_switch;
|
|
#
|
|
# Bug#58837: ICP crash or valgrind error due to uninitialized
|
|
# value in innobase_index_cond
|
|
#
|
|
CREATE TABLE t1 (
|
|
t1_int INT,
|
|
t1_time TIME
|
|
);
|
|
CREATE TABLE t2 (
|
|
t2_int int PRIMARY KEY,
|
|
t2_int2 INT
|
|
);
|
|
INSERT IGNORE INTO t2 VALUES ();
|
|
INSERT INTO t1 VALUES ();
|
|
SELECT * FROM t1 AS t1a
|
|
WHERE NOT EXISTS (SELECT * FROM t1 AS t1b
|
|
WHERE t1b.t1_int NOT IN
|
|
(SELECT t2.t2_int FROM t2
|
|
WHERE t1b.t1_time LIKE t1b.t1_int
|
|
OR t1b.t1_time <> t2.t2_int2
|
|
AND 6=7));
|
|
t1_int t1_time
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#59186: Wrong results of join when ICP is enabled
|
|
# (fixed by the patch for LP bug #694092)
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk INTEGER NOT NULL,
|
|
c1 VARCHAR(3) NOT NULL,
|
|
PRIMARY KEY (pk)
|
|
);
|
|
INSERT INTO t1 VALUES (1,'y'),(0,'or');
|
|
CREATE TABLE t2 (
|
|
pk INTEGER NOT NULL,
|
|
c1 VARCHAR(3) NOT NULL,
|
|
c2 VARCHAR(6) NOT NULL,
|
|
PRIMARY KEY (pk)
|
|
);
|
|
INSERT INTO t2 VALUES (6,'y','RPOYT'),(10,'m','JINQE');
|
|
EXPLAIN
|
|
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
|
|
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
|
|
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 1 Using where
|
|
1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using where; Using join buffer (flat, BNL join)
|
|
SELECT c2 FROM t1 JOIN t2 ON t1.c1 = t2.c1
|
|
WHERE (t2.pk <= 4 AND t1.pk IN (2,1)) OR
|
|
(t1.pk > 1 AND t2.pk BETWEEN 6 AND 6);
|
|
c2
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# Bug#58838: "Wrong results with HAVING + LIMIT without GROUP BY when
|
|
# ICP is enabled".
|
|
# (Fixed by the patches for LP bugs #668644, #702322)
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk INT NOT NULL,
|
|
c1 INT,
|
|
PRIMARY KEY (pk),
|
|
KEY col_int_key (c1)
|
|
);
|
|
INSERT INTO t1 VALUES (1,37),(2,8),(3,-25),(4,NULL),(5,55);
|
|
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 0;
|
|
pk
|
|
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 1;
|
|
pk
|
|
3
|
|
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 2;
|
|
pk
|
|
3
|
|
SELECT pk FROM t1 WHERE c1 <> 1 HAVING pk = 3 ORDER BY pk LIMIT 5;
|
|
pk
|
|
3
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#59483 "Crash on INSERT/REPLACE in
|
|
# rec_convert_dtuple_to_rec_comp with ICP on"
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk INTEGER AUTO_INCREMENT PRIMARY KEY,
|
|
i1 INTEGER,
|
|
c1 CHAR(6),
|
|
i2 INTEGER NOT NULL,
|
|
KEY (i2)
|
|
);
|
|
INSERT INTO t1 VALUES
|
|
(NULL, 4, 'that', 8),
|
|
(NULL, 1, 'she', 6),
|
|
(NULL, 6, 'tell', 2);
|
|
SELECT * FROM t1 WHERE i2 IN (3, 6) LIMIT 2 FOR UPDATE;
|
|
pk i1 c1 i2
|
|
2 1 she 6
|
|
INSERT INTO t1 (i2) VALUES (1);
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug #11766678 - 59843:
|
|
# USING UNINITIALISED VALUE IN USES_INDEX_FIELDS_ONLY
|
|
#
|
|
CREATE TABLE t1 (
|
|
col999 FLOAT NOT NULL,
|
|
COL1000 VARBINARY(179) NOT NULL,
|
|
col1003 DATE DEFAULT NULL,
|
|
KEY idx4267 (col1000, col1003)
|
|
);
|
|
INSERT IGNORE INTO t1 VALUES (),();
|
|
Warnings:
|
|
Warning 1364 Field 'col999' doesn't have a default value
|
|
Warning 1364 Field 'COL1000' doesn't have a default value
|
|
SELECT col999 FROM t1 WHERE col1000 = "3" AND col1003 <=> sysdate();
|
|
col999
|
|
DROP TABLE t1;
|
|
#
|
|
# BUG#12822678 - ICP WITH STRAIGHT_JOIN
|
|
#
|
|
CREATE TABLE t1 (
|
|
i1 INTEGER NOT NULL,
|
|
d1 DOUBLE,
|
|
KEY k1 (d1)
|
|
);
|
|
INSERT INTO t1 VALUES (10,1), (17,NULL), (22,NULL);
|
|
CREATE TABLE t2 (
|
|
pk INTEGER NOT NULL,
|
|
i1 INTEGER NOT NULL,
|
|
PRIMARY KEY (pk)
|
|
);
|
|
INSERT INTO t2 VALUES (4,1);
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status Engine-independent statistics collected
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status Engine-independent statistics collected
|
|
test.t2 analyze status OK
|
|
EXPLAIN
|
|
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
|
|
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL k1 9 NULL 3 Using index
|
|
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using where
|
|
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
|
|
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
|
|
d1 pk i1
|
|
1 4 1
|
|
EXPLAIN
|
|
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
|
|
WHERE t1.d1 <> t2.pk AND t2.pk = 4;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 index NULL k1 9 NULL 3 Using index
|
|
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using where
|
|
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
|
|
WHERE t1.d1 <> t2.pk AND t2.pk = 4;
|
|
d1 pk i1
|
|
1 4 1
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# BUG#778434 Wrong result with in_to_exists=on in maria-5.3-mwl89
|
|
#
|
|
CREATE TABLE t1 ( f11 int) ;
|
|
INSERT IGNORE INTO t1 VALUES (0);
|
|
CREATE TABLE t2 ( f10 int) ;
|
|
INSERT IGNORE INTO t2 VALUES (0);
|
|
CREATE TABLE t3 ( f1 int NOT NULL , f10 int, PRIMARY KEY (f1)) ;
|
|
INSERT IGNORE INTO t3 VALUES (6,0),(10,0);
|
|
CREATE TABLE t4 ( f11 int) ;
|
|
INSERT IGNORE INTO t4 VALUES
|
|
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0),(NULL),
|
|
(0),(0),(0),(0),(0),(0),(0),(0),(0),(0);
|
|
set @tmp_778434=@@optimizer_switch;
|
|
SET optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off,semijoin=off';
|
|
SELECT * FROM t1 INNER JOIN t2 ON t2.f10 = t1.f11
|
|
WHERE (6, 234) IN (
|
|
SELECT t3.f1, t3.f1
|
|
FROM t3 JOIN t4 ON t4.f11 = t3.f10
|
|
);
|
|
f11 f10
|
|
DROP TABLE t1,t2,t3,t4;
|
|
set optimizer_switch= @tmp_778434;
|
|
#
|
|
# Bug#885168: ICP for one index + potential ORDER BY for another
|
|
#
|
|
CREATE TABLE t1 (a varchar(64), b varchar(10), INDEX(a), INDEX(b)) ;
|
|
INSERT INTO t1 VALUES
|
|
('Ohio','Iowa'), ('k','d'), ('bdkpj','mbdkpjdanp'), ('d','xdmbdkpjda'),
|
|
('fkxdmbdkpjdanpje','o'), ('f','Pennsylvan'), ('Virginia','ei');
|
|
SET SESSION optimizer_switch='index_condition_pushdown=off';
|
|
EXPLAIN
|
|
SELECT * FROM t1
|
|
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
|
|
ORDER BY a;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range b b 13 NULL # Using where; Rowid-ordered scan; Using filesort
|
|
SELECT * FROM t1
|
|
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
|
|
ORDER BY a;
|
|
a b
|
|
d xdmbdkpjda
|
|
SET SESSION optimizer_switch='index_condition_pushdown=on';
|
|
EXPLAIN
|
|
SELECT * FROM t1
|
|
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
|
|
ORDER BY a;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range b b 13 NULL # Using index condition; Rowid-ordered scan; Using filesort
|
|
SELECT * FROM t1
|
|
WHERE NOT(b = 'Texas') AND b BETWEEN 'wy' AND 'y' OR b = 'Pennsylvania'
|
|
ORDER BY a;
|
|
a b
|
|
d xdmbdkpjda
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#886145: join with ICP + ORDER BY
|
|
#
|
|
CREATE TABLE t1 (b int NOT NULL, c int, a varchar(1024), PRIMARY KEY (b));
|
|
INSERT INTO t1 VALUES (1,4,'Ill');
|
|
insert into t1 select seq+100,5,seq from seq_1_to_100;
|
|
CREATE TABLE t2 (a varchar(1024), KEY (a(512)));
|
|
INSERT INTO t2 VALUES
|
|
('Ill'), ('eckqzsflbzaffti'), ('w'), ('she'), ('gxbwypqtjzwywwer'), ('w');
|
|
insert into t2 select seq from seq_1_to_100;
|
|
analyze table t1,t2 persistent for all;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status Engine-independent statistics collected
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status Engine-independent statistics collected
|
|
test.t2 analyze status OK
|
|
SET SESSION optimizer_switch='index_condition_pushdown=off';
|
|
EXPLAIN
|
|
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND (t1.b<0 OR t1.b>0)
|
|
HAVING t1.c != 5 ORDER BY t1.c;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using where; Using filesort
|
|
1 SIMPLE t2 ref a a 515 test.t1.a # Using where
|
|
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND (t1.b<0 OR t1.b>0)
|
|
HAVING t1.c != 5 ORDER BY t1.c;
|
|
b c
|
|
1 4
|
|
SET SESSION optimizer_switch='index_condition_pushdown=on';
|
|
EXPLAIN
|
|
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND (t1.b<0 OR t1.b>0)
|
|
HAVING t1.c != 5 ORDER BY t1.c;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL # Using where; Using filesort
|
|
1 SIMPLE t2 ref a a 515 test.t1.a # Using where
|
|
SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND (t1.b<0 OR t1.b>0)
|
|
HAVING t1.c != 5 ORDER BY t1.c;
|
|
b c
|
|
1 4
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#879871: InnoDB: possible ICP + GROUP BY primary index
|
|
#
|
|
CREATE TABLE t1 (
|
|
a int NOT NULL, b int, c varchar(1), d varchar(1),
|
|
PRIMARY KEY (a), KEY c (c,b)
|
|
);
|
|
INSERT INTO t1 VALUES (10,8,'g','g');
|
|
SET SESSION optimizer_switch='index_condition_pushdown=off';
|
|
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
|
|
a
|
|
SET SESSION optimizer_switch='index_condition_pushdown=on';
|
|
SELECT a FROM t1 WHERE c IS NULL AND d IS NOT NULL GROUP BY 1;
|
|
a
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#904832: an attempt to perform an index condition pushdown
|
|
# of a condition containing a subquery
|
|
#
|
|
CREATE TABLE t1 (
|
|
a INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
|
|
b INT, c INT, d DATE NOT NULL, e VARCHAR(1),
|
|
KEY (c), KEY (d), KEY k2(b), KEY k3(b), KEY k4(b)
|
|
);
|
|
Warnings:
|
|
Note 1831 Duplicate index `k3`. This is deprecated and will be disallowed in a future release
|
|
Note 1831 Duplicate index `k4`. This is deprecated and will be disallowed in a future release
|
|
INSERT INTO t1 (b,c,d,e) VALUES
|
|
(6,5,'2006-05-25','y'),(1,5,'2008-01-23','t'),
|
|
(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
|
|
(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
|
|
(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
|
|
(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
|
|
(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
|
|
(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
|
|
(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
|
|
(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
|
|
(1,5,'2008-01-23','t'),(6,5,'2007-06-18','d'),
|
|
(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
|
|
(4,5,'2006-03-09','b'),(4,5,'2001-06-05','f'),
|
|
(4,5,'2001-06-05','x'),(8,5,'1900-01-01','m'),
|
|
(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
|
|
(1,5,'2008-01-23','t'),(6,5,'2007-06-18','d'),
|
|
(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
|
|
(4,5,'2006-03-09','b'),(6,5,'2007-06-18','d'),
|
|
(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
|
|
(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
|
|
(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
|
|
(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
|
|
(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
|
|
(1,5,'2008-01-23','t'),(6,5,'2007-06-18','d'),
|
|
(4,5,'1900-01-01','r'),(8,5,'1900-01-01','m'),
|
|
(4,5,'2006-03-09','b'),(4,5,'2001-06-05','x'),
|
|
(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
|
|
(6,5,'2007-06-18','d'),(4,5,'1900-01-01','r'),
|
|
(8,5,'1900-01-01','m'),(4,5,'2006-03-09','b'),
|
|
(4,5,'2001-06-05','x'),(1,5,'2008-01-23','t'),
|
|
(6,5,'2007-06-18','d'),(4,1,'1900-01-01','r'),
|
|
(8,8,'1900-01-01','m'),(4,1,'2006-03-09','b'),
|
|
(4,1,'2001-06-05','x'),(7,1,'2006-05-28','g');
|
|
CREATE TABLE t2 (
|
|
f INT PRIMARY KEY NOT NULL AUTO_INCREMENT,
|
|
g INT,
|
|
h VARCHAR(1),
|
|
KEY (g)
|
|
);
|
|
INSERT INTO t2 (g,h) VALUES
|
|
(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
|
|
(5,'l'),(8,'y'),(0,'p'),(0,'f'),(0,'p'),(7,'d'),
|
|
(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u'),
|
|
(6,'i'),(1,'x'),(5,'l'),(8,'y'),(0,'p'),(0,'f'),
|
|
(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),
|
|
(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
|
|
(7,'d'),(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),
|
|
(9,'u'),(6,'i'),(1,'x'),(5,'l'),(8,'y'),(0,'p'),
|
|
(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),
|
|
(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),(5,'l'),
|
|
(6,'q'),(2,'n'),(4,'r'),(4,'b'),(8,'y'),(0,'p'),
|
|
(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),
|
|
(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),(5,'l'),
|
|
(8,'y'),(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),
|
|
(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),
|
|
(1,'x'),(5,'l'),(8,'y'),(0,'p'),(0,'f'),(0,'p'),
|
|
(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),
|
|
(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),(7,'d'),
|
|
(7,'f'),(5,'j'),(3,'e'),(1,'u'),(0,'f'),(0,'p'),
|
|
(7,'d'),(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),
|
|
(9,'u'),(6,'i'),(1,'x'),(5,'l'),(8,'y'),(0,'p'),
|
|
(0,'f'),(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),
|
|
(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),
|
|
(1,'x'),(7,'d'),(7,'f'),(5,'j'),(3,'e'),(1,'u'),
|
|
(4,'v'),(9,'u'),(6,'i'),(1,'x'),(5,'l'),(8,'y'),
|
|
(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),
|
|
(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
|
|
(5,'l'),(6,'q'),(2,'n'),(4,'r'),(4,'b'),(8,'y'),
|
|
(0,'p'),(0,'f'),(0,'p'),(7,'d'),(7,'f'),(5,'j'),
|
|
(3,'e'),(1,'u'),(4,'v'),(9,'u'),(6,'i'),(1,'x'),
|
|
(7,'f'),(5,'j'),(3,'e'),(1,'u'),(4,'v'),(9,'u');
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status Engine-independent statistics collected
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status Engine-independent statistics collected
|
|
test.t2 analyze status OK
|
|
SET @save_optimize_switch=@@optimizer_switch;
|
|
SET optimizer_switch='materialization=on';
|
|
EXPLAIN
|
|
SELECT COUNT(*) FROM t1 AS t, t2
|
|
WHERE c = g
|
|
AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f AND h <= t.e AND a > t.b)
|
|
OR a = 0 AND h < 'z' );
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 PRIMARY t ALL PRIMARY,c NULL NULL NULL 64 Using where
|
|
1 PRIMARY t2 ref g g 5 test.t.c 18 Using where
|
|
2 DEPENDENT SUBQUERY t1 index PRIMARY d 3 NULL 64 Using where; Using index
|
|
2 DEPENDENT SUBQUERY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using where
|
|
SELECT COUNT(*) FROM t1 AS t, t2
|
|
WHERE c = g
|
|
AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f AND h <= t.e AND a > t.b)
|
|
OR a = 0 AND h < 'z' );
|
|
COUNT(*)
|
|
1478
|
|
SELECT COUNT(*) FROM t1 AS t, t2
|
|
WHERE c = g
|
|
AND (EXISTS (SELECT * FROM t1, t2 WHERE a = f AND h <= t.e AND a > t.b)
|
|
OR a = 0 AND h < 'z' );
|
|
COUNT(*)
|
|
1478
|
|
SET optimizer_switch=@save_optimizer_switch;
|
|
DROP TABLE t1,t2;
|
|
# check "Handler_pushed" status varuiables
|
|
CREATE TABLE t1 (
|
|
c1 CHAR(1),
|
|
c2 CHAR(1),
|
|
KEY (c1)
|
|
);
|
|
INSERT INTO t1 VALUES ('3', '3'),('4','4'),('5','5');
|
|
flush status;
|
|
show status like "Handler_icp%";
|
|
Variable_name Value
|
|
Handler_icp_attempts 0
|
|
Handler_icp_match 0
|
|
SELECT * FROM t1 FORCE INDEX(c1) WHERE (c1='3' or c1='4') and c1 % 2 = 0 ;
|
|
c1 c2
|
|
4 4
|
|
show status like "Handler_icp%";
|
|
Variable_name Value
|
|
Handler_icp_attempts 2
|
|
Handler_icp_match 1
|
|
SELECT * FROM t1 WHERE (c2='3' or c2='4') and c2 % 2 = 0 ;
|
|
c1 c2
|
|
4 4
|
|
show status like "Handler_icp%";
|
|
Variable_name Value
|
|
Handler_icp_attempts 2
|
|
Handler_icp_match 1
|
|
DROP TABLE t1;
|
|
create table t1 (a int,b char(5),primary key (a), key (b(1)));
|
|
insert ignore into t1 values ('a','b');
|
|
Warnings:
|
|
Warning 1366 Incorrect integer value: 'a' for column `test`.`t1`.`a` at row 1
|
|
select 1 from t1 where a and b >= 'aa';
|
|
1
|
|
drop table t1;
|
|
#
|
|
# Bug#58015 "Assert in row_sel_field_store_in_mysql_format
|
|
# when running innodb_mrr_icp test"
|
|
#
|
|
create table t1 (a char(2) charset utf8,b double, primary key (a(1)),key (b));
|
|
insert into t1 values ('',1);
|
|
select 1 from t1 where b <= 1 and a <> '';
|
|
1
|
|
drop table t1;
|
|
#
|
|
# MDEV-4778: Incorrect results from Aria/MyISAM SELECT using index with prefix length on TEXT column
|
|
#
|
|
CREATE TABLE t1 (
|
|
c1 TEXT ,
|
|
c2 VARCHAR(2) ,
|
|
INDEX idx1 (c2,c1(2)),
|
|
INDEX idx2 (c2,c1(1))
|
|
);
|
|
INSERT INTO t1 (c1,c2) VALUES ('aa','x'), ('a' ,'y');
|
|
SELECT * FROM t1 IGNORE INDEX(idx1,idx2) WHERE (c1='aa' AND c2='x') OR (c1='a' AND c2='y');
|
|
c1 c2
|
|
aa x
|
|
a y
|
|
EXPLAIN
|
|
SELECT * FROM t1 FORCE INDEX(idx1) WHERE (c1='aa' AND c2='x') OR (c1='a' AND c2='y');
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range idx1 idx1 10 NULL 2 Using index condition; Using where
|
|
SELECT * FROM t1 FORCE INDEX(idx1) WHERE (c1='aa' AND c2='x') OR (c1='a' AND c2='y');
|
|
c1 c2
|
|
aa x
|
|
a y
|
|
SELECT * FROM t1 FORCE INDEX(idx2) WHERE (c1='aa' AND c2='x') OR (c1='a' AND c2='y');
|
|
c1 c2
|
|
aa x
|
|
a y
|
|
DROP TABLE t1;
|
|
#
|
|
# BUG#920132: Assert trx->n_active_thrs == 1 failed at que0que.c line 1050
|
|
#
|
|
CREATE TABLE t1 ( a INT )
|
|
ENGINE=InnoDB;
|
|
INSERT INTO t1 VALUES (7),(7);
|
|
CREATE TABLE t2 ( b VARCHAR(1) );
|
|
INSERT INTO t2 VALUES ('j'),('v');
|
|
CREATE TABLE t3 (
|
|
c INT, d VARCHAR(1), e VARCHAR(1),
|
|
KEY (d,c)
|
|
) ENGINE=InnoDB;
|
|
INSERT INTO t3
|
|
VALUES (6,'w','w'),
|
|
(1,'v','v'),(7,'s','s'),(4,'l','l'),
|
|
(7,'y','y'),(0,'c','c'),(2,'i','i'),
|
|
(9,'h','h'),(4,'q','q'),(0,'a','a'),
|
|
(9,'v','v'),(1,'u','u'),(3,'s','s'),
|
|
(8,'z','z'),(1,'h','h'),(8,'p','p'),
|
|
(6,'e','e'),(3,'i','i'),(6,'y','y');
|
|
SELECT *
|
|
FROM t1 INNER JOIN t2 INNER JOIN t3
|
|
ON d = b
|
|
WHERE
|
|
NOT EXISTS ( SELECT * FROM t3 )
|
|
OR a = c
|
|
ORDER BY e;
|
|
a b c d e
|
|
DROP TABLE t1,t2,t3;
|
|
#
|
|
# MDEV-5337: Wrong result in mariadb 5.5.32 with ORDER BY + LIMIT when index_condition_pushdown=on
|
|
# MDEV-5512: Wrong result (WHERE clause ignored) with multiple clauses using Percona-XtraDB engine
|
|
#
|
|
create table t1(a int);
|
|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t2 (pk int primary key,
|
|
key1 char(32),
|
|
key2 char(32),
|
|
key(key1),
|
|
key(key2)
|
|
) engine=innodb;
|
|
insert into t2 select
|
|
A.a+10*B.a+100*C.a,
|
|
concat('rare-', A.a+10*B.a),
|
|
concat('rare-', A.a+10*B.a)
|
|
from
|
|
t1 A, t1 B, t1 C;
|
|
update t2 set key1='frequent-val' where pk between 100 and 350;
|
|
select * from t2 ignore key(PRIMARY)
|
|
where key1='frequent-val' and key2 between 'rare-400' and 'rare-450' order by pk limit 2;
|
|
pk key1 key2
|
|
141 frequent-val rare-41
|
|
142 frequent-val rare-42
|
|
drop table t1, t2;
|
|
set optimizer_switch=@innodb_icp_tmp;
|
|
set default_storage_engine= @save_storage_engine;
|
|
set global innodb_stats_persistent= @innodb_stats_persistent_save;
|
|
set global innodb_stats_persistent_sample_pages=
|
|
@innodb_stats_persistent_sample_pages_save;
|