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86 lines
2.8 KiB
Text
86 lines
2.8 KiB
Text
# t/index_merge_innodb.test
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#
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# Index merge tests
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#
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# Last update:
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# 2006-08-07 ML test refactored (MySQL 5.1)
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# Main code of several index_merge tests
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# -> include/index_merge*.inc
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# wrapper t/index_merge_innodb.test sources now several
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# include/index_merge*.inc files
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#
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# Slow test, don't run during staging part
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--source include/not_staging.inc
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--source include/have_innodb.inc
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let $engine_type= InnoDB;
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# InnoDB does not support Merge tables (affects include/index_merge1.inc)
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let $merge_table_support= 0;
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# The first two tests are disabled because of non deterministic explain output.
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# If include/index_merge1.inc can be enabled for InnoDB and all other
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# storage engines, please remove the subtest for Bug#21277 from
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# include/index_merge2.inc.
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# This test exists already in include/index_merge1.inc.
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# --source include/index_merge1.inc
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# --source include/index_merge_ror.inc
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--source include/index_merge2.inc
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--source include/index_merge_2sweeps.inc
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--source include/index_merge_ror_cpk.inc
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--echo #
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--echo # BUG#56862/640419: Wrong result with sort_union index merge when one
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--echo # of the merged index scans is the primary key scan
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--echo #
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CREATE TABLE t1 (
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pk int NOT NULL AUTO_INCREMENT PRIMARY KEY,
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a int,
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b int,
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INDEX idx(a))
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ENGINE=INNODB;
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INSERT INTO t1(a,b) VALUES
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(11, 1100), (2, 200), (1, 100), (14, 1400), (5, 500),
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(3, 300), (17, 1700), (4, 400), (12, 1200), (8, 800),
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(6, 600), (18, 1800), (9, 900), (10, 1000), (7, 700),
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(13, 1300), (15, 1500), (19, 1900), (16, 1600), (20, 2000);
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INSERT INTO t1(a,b) SELECT a+20, b+2000 FROM t1;
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INSERT INTO t1(a,b) SELECT a+40, b+4000 FROM t1;
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INSERT INTO t1(a,b) SELECT a+80, b+8000 FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1(a,b) SELECT a,b FROM t1;
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INSERT INTO t1 VALUES (1000000, 0, 0);
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SET SESSION sort_buffer_size = 1024*36;
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# We have to use FORCE INDEX here as Innodb gives inconsistent estimates
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# which causes different query plans.
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EXPLAIN
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SELECT COUNT(*) FROM
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(SELECT * FROM t1 FORCE INDEX(primary,idx)
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WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
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SELECT COUNT(*) FROM
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(SELECT * FROM t1 FORCE INDEX(primary,idx)
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WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
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--replace_column 9 #
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EXPLAIN
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SELECT COUNT(*) FROM
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(SELECT * FROM t1 IGNORE INDEX(idx)
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WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
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SELECT COUNT(*) FROM
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(SELECT * FROM t1 IGNORE INDEX(idx)
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WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
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DROP TABLE t1;
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