set @save_storage_engine= @@storage_engine; set storage_engine=InnoDB; set @innodb_icp_tmp=@@optimizer_switch; set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; # # Bug#36981 - "innodb crash when selecting for update" # CREATE TABLE t1 ( c1 CHAR(1), c2 CHAR(10), KEY (c1) ); INSERT INTO t1 VALUES ('3', null); SELECT * FROM t1 WHERE c1='3' FOR UPDATE; c1 c2 3 NULL DROP TABLE t1; CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); CREATE TABLE t2 (a INT); INSERT INTO t2 SELECT A.a + 10*(B.a + 10*C.a) FROM t1 A, t1 B, t1 C; CREATE TABLE t3 ( c1 CHAR(10) NOT NULL, c2 CHAR(10) NOT NULL, c3 CHAR(200) NOT NULL, KEY (c1) ); INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), CONCAT('c-',1000+ t2.a,'=w'), 'filler' FROM t2; INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), CONCAT('c-',2000+t2.a,'=w'), 'filler-1' FROM t2; INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), CONCAT('c-',3000+t2.a,'=w'), 'filler-2' FROM t2; SELECT c1,c3 FROM t3 WHERE c1 >= 'c-1994=w' and c1 != 'c-1996=w' FOR UPDATE; c1 c3 c-1994=w filler c-1994=w filler-1 c-1994=w filler-2 c-1995=w filler c-1995=w filler-1 c-1995=w filler-2 c-1997=w filler c-1997=w filler-1 c-1997=w filler-2 c-1998=w filler c-1998=w filler-1 c-1998=w filler-2 c-1999=w filler c-1999=w filler-1 c-1999=w filler-2 DROP TABLE t1,t2,t3; # # Bug#42580 - Innodb's ORDER BY ..LIMIT returns no rows for # null-safe operator <=> NULL # CREATE TABLE t1( c1 DATE NOT NULL, c2 DATE NULL, c3 DATETIME, c4 TIMESTAMP, PRIMARY KEY(c1), UNIQUE(c2) ); INSERT INTO t1 VALUES('0000-00-00', '0000-00-00', '2008-01-04', '2008-01-05'); INSERT INTO t1 VALUES('2007-05-25', '2007-05-25', '2007-05-26', '2007-05-26'); INSERT INTO t1 VALUES('2008-01-01', NULL , '2008-01-02', '2008-01-03'); INSERT INTO t1 VALUES('2008-01-17', NULL , NULL , '2009-01-29'); INSERT INTO t1 VALUES('2009-01-29', '2009-01-29', '2009-01-29', '2009-01-29'); SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c1,c2; c1 c2 c3 c4 2008-01-01 NULL 2008-01-02 00:00:00 2008-01-03 00:00:00 2008-01-17 NULL NULL 2009-01-29 00:00:00 SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2008-01-01 NULL 2008-01-02 00:00:00 2008-01-03 00:00:00 2008-01-17 NULL NULL 2009-01-29 00:00:00 DROP TABLE t1; # # Bug#43617 - Innodb returns wrong results with timestamp's range value # in IN clause # (Note: Fixed by patch for BUG#42580) # CREATE TABLE t1( c1 TIMESTAMP NOT NULL, c2 TIMESTAMP NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1), UNIQUE INDEX(c2) ); INSERT INTO t1 VALUES ('0000-00-00 00:00:00','0000-00-00 00:00:00','2008-01-04','2008-01-05 00:00:00'), ('1971-01-01 00:00:01','1980-01-01 00:00:01','2009-01-01','2009-01-02 00:00:00'), ('1999-01-01 00:00:00','1999-01-01 00:00:00', NULL, NULL), ('2007-05-23 09:15:28','2007-05-23 09:15:28','2007-05-24','2007-05-24 09:15:28'), ('2007-05-27 00:00:00','2007-05-25 00:00:00','2007-05-26','2007-05-26 00:00:00'), ('2008-01-01 00:00:00', NULL, '2008-01-02','2008-01-03 00:00:00'), ('2009-01-29 11:11:27','2009-01-29 11:11:27','2009-01-29','2009-01-29 11:11:27'), ('2038-01-09 03:14:07','2038-01-09 03:14:07','2009-01-05','2009-01-06 00:00:00'); SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2; c1 c2 c3 c4 2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00 SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2 LIMIT 2; c1 c2 c3 c4 2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00 SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2 DESC; c1 c2 c3 c4 2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00 SELECT * FROM t1 WHERE c2 IN ('1971-01-01 00:00:01','2038-01-09 03:14:07') ORDER BY c2 DESC LIMIT 2; c1 c2 c3 c4 2038-01-09 03:14:07 2038-01-09 03:14:07 2009-01-05 2009-01-06 00:00:00 DROP TABLE t1; # # BUG#43618: MyISAM&Maria returns wrong results with 'between' # on timestamp # CREATE TABLE t1( ts TIMESTAMP NOT NULL, c char NULL, PRIMARY KEY(ts) ); INSERT INTO t1 VALUES ('1971-01-01','a'), ('2007-05-25','b'), ('2008-01-01','c'), ('2038-01-09','d'); # Execute select with invalid timestamp, desc ordering SELECT * FROM t1 WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00' ORDER BY ts DESC LIMIT 2; ts c 2008-01-01 00:00:00 c 2007-05-25 00:00:00 b # Should use index condition EXPLAIN SELECT * FROM t1 WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00' ORDER BY ts DESC LIMIT 2; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 2 Using index condition DROP TABLE t1; # # BUG#49906: Assertion failed - Field_varstring::val_str in field.cc # (Note: Fixed by patch for LP BUG#625841) # CREATE TABLE t1 ( f1 VARCHAR(1024), f2 VARCHAR(10), INDEX test_idx USING BTREE (f2,f1(5)) ); INSERT INTO t1 VALUES ('a','c'), ('b','d'); SELECT f1 FROM t1 WHERE f2 LIKE 'd' ORDER BY f1; f1 b DROP TABLE t1; # # Bug#52660 - "Perf. regr. using ICP for MyISAM on range queries on # an index containing TEXT" # CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); CREATE TABLE t2 (a INT); INSERT INTO t2 SELECT A.a + 10*(B.a) FROM t1 A, t1 B; CREATE TABLE t3 ( c1 TINYTEXT NOT NULL, i1 INT NOT NULL, KEY (c1(6),i1) ); INSERT INTO t3 SELECT CONCAT('c-',1000+t2.a,'=w'), 1 FROM t2; EXPLAIN SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w'; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c1 c1 8 NULL 3 Using where SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w'; c1 c-1004=w c-1005=w c-1006=w EXPLAIN SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c1 c1 12 NULL 2 Using index condition; Using where SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' and i1 > 2; c1 EXPLAIN SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL c1 NULL NULL NULL 100 Using where SELECT c1 FROM t3 WHERE c1 >= 'c-1004=w' and c1 <= 'c-1006=w' or i1 > 2; c1 c-1004=w c-1005=w c-1006=w DROP TABLE t1, t2, t3; # # Bug#40992 - InnoDB: Crash when engine_condition_pushdown is on # CREATE TABLE t ( dummy INT PRIMARY KEY, a INT UNIQUE, b INT ); INSERT INTO t VALUES (1,1,1),(3,3,3),(5,5,5); SELECT * FROM t WHERE a > 2 FOR UPDATE; dummy a b 3 3 3 5 5 5 DROP TABLE t; # # Bug#35080 - Innodb crash at mem_block_get_len line 72 # CREATE TABLE t1 ( t1_autoinc INT(11) NOT NULL AUTO_INCREMENT, uuid VARCHAR(36) DEFAULT NULL, PRIMARY KEY (t1_autoinc), KEY k (uuid) ); CREATE TABLE t2 ( t2_autoinc INT(11) NOT NULL AUTO_INCREMENT, uuid VARCHAR(36) DEFAULT NULL, date DATETIME DEFAULT NULL, PRIMARY KEY (t2_autoinc), KEY k (uuid) ); CREATE VIEW v1 AS SELECT t1_autoinc, uuid FROM t1 WHERE (ISNULL(uuid) OR (uuid like '%-%')); CREATE VIEW v2 AS SELECT t2_autoinc, uuid, date FROM t2 WHERE (ISNULL(uuid) OR (LENGTH(uuid) = 36)); CREATE PROCEDURE delete_multi (IN uuid CHAR(36)) DELETE v1, v2 FROM v1 INNER JOIN v2 ON v1.uuid = v2.uuid WHERE v1.uuid = @uuid; SET @uuid = UUID(); INSERT INTO v1 (uuid) VALUES (@uuid); INSERT INTO v2 (uuid, date) VALUES (@uuid, '2009-09-09'); CALL delete_multi(@uuid); DROP procedure delete_multi; DROP table t1,t2; DROP view v1,v2; # # Bug#41996 - multi-table delete crashes server (InnoDB table) # CREATE TABLE t1 ( b BIGINT, i INT, KEY (b) ); INSERT INTO t1 VALUES (2, 2); DELETE t1 FROM t1 a, t1 WHERE a.i=t1.b; DROP TABLE t1; # # Bug#43448 - Server crashes on multi table delete with Innodb # CREATE TABLE t1 ( id1 INT NOT NULL AUTO_INCREMENT PRIMARY KEY, t CHAR(12) ); CREATE TABLE t2 ( id2 INT NOT NULL, t CHAR(12) ); CREATE TABLE t3( id3 INT NOT NULL, t CHAR(12), INDEX(id3) ); CREATE PROCEDURE insert_data () BEGIN DECLARE i1 INT DEFAULT 20; DECLARE i2 INT; DECLARE i3 INT; WHILE (i1 > 0) DO INSERT INTO t1(t) VALUES (i1); SET i2 = 2; WHILE (i2 > 0) DO INSERT INTO t2(id2, t) VALUES (i1, i2); SET i3 = 2; WHILE (i3 > 0) DO INSERT INTO t3(id3, t) VALUES (i1, i2); SET i3 = i3 -1; END WHILE; SET i2 = i2 -1; END WHILE; SET i1 = i1 - 1; END WHILE; END | CALL insert_data(); SELECT COUNT(*) FROM t1 WHERE id1 > 10; COUNT(*) 10 SELECT COUNT(*) FROM t2 WHERE id2 > 10; COUNT(*) 20 SELECT COUNT(*) FROM t3 WHERE id3 > 10; COUNT(*) 40 DELETE t1, t2, t3 FROM t1, t2, t3 WHERE t1.id1 = t2.id2 AND t2.id2 = t3.id3 AND t1.id1 > 3; SELECT COUNT(*) FROM t1; COUNT(*) 3 SELECT COUNT(*) FROM t2; COUNT(*) 6 SELECT COUNT(*) FROM t3; COUNT(*) 12 DROP PROCEDURE insert_data; DROP TABLE t1, t2, t3; # # Bug#57372 "Multi-table updates and deletes fail when running with ICP # against InnoDB" # CREATE TABLE t1 ( a INT KEY, b INT ); CREATE TABLE t2 ( a INT KEY, b INT ); INSERT INTO t1 VALUES (1, 101), (2, 102), (3, 103), (4, 104), (5, 105); INSERT INTO t2 VALUES (1, 1), (2, 2), (3, 3), (4, 4), (5, 5); UPDATE t1, t2 SET t1.a = t1.a + 100, t2.b = t1.a + 10 WHERE t1.a BETWEEN 2 AND 4 AND t2.a = t1.b - 100; SELECT * FROM t1; a b 1 101 102 102 103 103 104 104 5 105 SELECT * FROM t2; a b 1 1 2 12 3 13 4 14 5 5 DROP TABLE t1, t2; # # Bug#52605 - "Adding LIMIT 1 clause to query with complex range # predicate causes wrong results" # CREATE TABLE t1 ( pk INT NOT NULL, c1 INT, PRIMARY KEY (pk), KEY k1 (c1) ); INSERT INTO t1 VALUES (1,NULL); INSERT INTO t1 VALUES (2,6); INSERT INTO t1 VALUES (3,NULL); INSERT INTO t1 VALUES (4,6); INSERT INTO t1 VALUES (5,NULL); INSERT INTO t1 VALUES (6,NULL); INSERT INTO t1 VALUES (7,9); INSERT INTO t1 VALUES (8,0); SELECT pk, c1 FROM t1 WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240 ORDER BY c1 LIMIT 1; pk c1 4 6 EXPLAIN SELECT pk, c1 FROM t1 WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240 ORDER BY c1 LIMIT 1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range PRIMARY,k1 k1 5 NULL 3 Using where; Using index DROP TABLE t1; # # Bug#59259 "Incorrect rows returned for a correlated subquery # when ICP is on" # CREATE TABLE t1 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB; INSERT INTO t1 VALUES (11,0); INSERT INTO t1 VALUES (12,5); INSERT INTO t1 VALUES (15,0); CREATE TABLE t2 (pk INTEGER PRIMARY KEY, i INTEGER NOT NULL) ENGINE=InnoDB; INSERT INTO t2 VALUES (11,1); INSERT INTO t2 VALUES (12,2); INSERT INTO t2 VALUES (15,4); set @save_optimizer_switch= @@optimizer_switch; set optimizer_switch='semijoin=off'; EXPLAIN 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); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where 2 DEPENDENT SUBQUERY t2 index NULL PRIMARY 4 NULL 3 Using index 2 DEPENDENT SUBQUERY it eq_ref PRIMARY PRIMARY 4 func 1 Using index condition 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 12 5 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; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range PRIMARY PRIMARY 4 NULL 4 Using index condition SET SESSION optimizer_switch='index_condition_pushdown=off'; SELECT pk, c1 FROM t1 WHERE 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 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 index condition; Using where 1 SIMPLE t2 range PRIMARY PRIMARY 4 NULL 2 Using index condition; 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 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); 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 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 2 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 2 Using index condition; 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 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'); CREATE TABLE t2 (a varchar(1024), KEY (a(512))); INSERT INTO t2 VALUES ('Ill'), ('eckqzsflbzaffti'), ('w'), ('she'), ('gxbwypqtjzwywwer'), ('w'); 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 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 2 Using where; Using filesort 1 SIMPLE t2 ref a a 515 test.t1.a 1 Using where SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND 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 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 2 Using index condition; Using where; Using filesort 1 SIMPLE t2 ref a a 515 test.t1.a 1 Using where SELECT t1.b, t1.c FROM t1, t2 WHERE t1.a = t2.a AND 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; set optimizer_switch=@innodb_icp_tmp; set storage_engine= @save_storage_engine;