mariadb/mysql-test/t/index_merge_innodb.test

# t/index_merge_innodb.test
#
# Index merge tests
#
# Last update:
# 2006-08-07 ML test refactored (MySQL 5.1)
#               Main code of several index_merge tests
#                            -> include/index_merge*.inc
#               wrapper t/index_merge_innodb.test sources now several 
#               include/index_merge*.inc files
#

# Slow test, don't run during staging part
--source include/not_staging.inc
--source include/have_xtradb.inc

let $engine_type= InnoDB;
# InnoDB does not support Merge tables (affects include/index_merge1.inc)
let $merge_table_support= 0;

set @optimizer_switch_save= @@optimizer_switch;
set optimizer_switch='index_merge_sort_intersection=off';

# The first two tests are disabled because of non deterministic explain output.
# If include/index_merge1.inc can be enabled for InnoDB and all other
# storage engines, please remove the subtest for Bug#21277 from
# include/index_merge2.inc.
# This test exists already in include/index_merge1.inc.
# --source include/index_merge1.inc
# --source include/index_merge_ror.inc
#the next one is disabled in MySQL too: Bug#45727
--source include/index_merge2.inc

--source include/index_merge_2sweeps.inc
--source include/index_merge_ror_cpk.inc

--echo # 
--echo # BUG#56862/640419: Wrong result with sort_union index merge when one
--echo #                   of the merged index scans is the primary key scan
--echo # 

CREATE TABLE t1 (
  pk int NOT NULL AUTO_INCREMENT PRIMARY KEY,
  a int,
  b int,
  INDEX idx(a))
ENGINE=INNODB;

INSERT INTO t1(a,b) VALUES
  (11, 1100), (2, 200), (1, 100), (14, 1400), (5, 500),
  (3, 300), (17, 1700), (4, 400), (12, 1200), (8, 800),
  (6, 600), (18, 1800), (9, 900), (10, 1000), (7, 700),
  (13, 1300), (15, 1500), (19, 1900), (16, 1600), (20, 2000);
INSERT INTO t1(a,b) SELECT a+20, b+2000 FROM t1;
INSERT INTO t1(a,b) SELECT a+40, b+4000 FROM t1;
INSERT INTO t1(a,b) SELECT a+80, b+8000 FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1 VALUES (1000000, 0, 0);

SET SESSION sort_buffer_size = 1024*36;
set @tmp_optimizer_switch=@@optimizer_switch;
set optimizer_switch='derived_merge=off,derived_with_keys=off';

# We have to use FORCE INDEX here as Innodb gives inconsistent estimates
# which causes different query plans.
EXPLAIN
SELECT COUNT(*) FROM 
  (SELECT * FROM t1 FORCE INDEX(primary,idx)
     WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
SELECT COUNT(*) FROM 
  (SELECT * FROM t1 FORCE INDEX(primary,idx)
     WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;

--replace_column 9 #
EXPLAIN
SELECT COUNT(*) FROM 
  (SELECT * FROM t1 IGNORE INDEX(idx)
     WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
SELECT COUNT(*) FROM 
  (SELECT * FROM t1 IGNORE INDEX(idx)
     WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;

DROP TABLE t1;
set optimizer_switch=@tmp_optimizer_switch;

--echo #
--echo # Testcase Backport: BUG#48093: 6.0 Server not processing equivalent IN clauses properly
--echo #            with Innodb tables
--echo #

CREATE TABLE t1 (
  i int(11) DEFAULT NULL,
  v1 varchar(1) DEFAULT NULL,
  v2 varchar(20) DEFAULT NULL,
  KEY i (i),
  KEY v (v1,i)
) ENGINE=innodb;

INSERT INTO t1 VALUES (1,'f','no');
INSERT INTO t1 VALUES (2,'u','yes-u');
INSERT INTO t1 VALUES (2,'h','yes-h');
INSERT INTO t1 VALUES (3,'d','no');

--echo
SELECT v2
FROM t1
WHERE v1  IN  ('f', 'd', 'h', 'u' ) AND i  =  2;

--echo
--echo # Should not use index_merge
EXPLAIN
SELECT v2
FROM t1
WHERE v1  IN  ('f', 'd', 'h', 'u' ) AND i  =  2;

DROP TABLE t1;

--echo #
--echo # BUG#1006164: Multi-table DELETE that uses innodb + index_merge/intersect may fail to delete rows
--echo #

create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);

create table t1 (
  pk int auto_increment, 
  zone_id int,
  modified tinyint,
  primary key(pk),
  key (zone_id),
  key (modified)
) engine=innodb;

insert into t1 (zone_id, modified) select 0,0 from t0 A, t0 B, t0 C, t0 D;
update t1 set zone_id=487, modified=9 where pk=7259;
update t1 set zone_id=487, modified=9 where pk=7260;
update t1 set zone_id=830, modified=9 where pk=8434;
update t1 set zone_id=830, modified=9 where pk=8435;
update t1 set zone_id=830, modified=9 where pk=8436;
update t1 set zone_id=830, modified=9 where pk=8437;

select * from t1 where t1.zone_id=830 AND modified=9;
begin;
DELETE t1 FROM t1 WHERE t1.zone_id=830 AND modified=9;
commit;
select * from t1 where t1.zone_id=830 AND modified=9;

drop table t0, t1;

--echo #
--echo # MDEV-376: Wrong result (missing rows) with index_merge+index_merge_intersection, join
--echo #
CREATE TABLE t1 (
  a INT, b CHAR(1), c CHAR(1), KEY(a), KEY(b)
) ENGINE=InnoDB;

INSERT INTO t1 VALUES (8,'v','v'),(8,'m','m'),(9,'d','d');


SELECT ta.* FROM t1 AS ta, t1 AS tb
WHERE ( tb.b != ta.b OR tb.a = ta.a )
  AND ( tb.b = ta.c OR tb.b = ta.b );

DROP TABLE t1;

set optimizer_switch= @optimizer_switch_save;