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import a test case from percona-server-5.6.34-79.1
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# include file to test index and table statstics for specific storage engine | ||
# requires includer set the default strorage engine for the session | ||
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# Bug 602047 (wrong rows_read value) | ||
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FLUSH INDEX_STATISTICS; | ||
FLUSH TABLE_STATISTICS; | ||
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SET @userstat_old= @@userstat; | ||
SET GLOBAL userstat=ON; | ||
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CREATE TABLE t1 (id int(10), PRIMARY KEY (id)); | ||
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); | ||
SELECT COUNT(*) FROM t1; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t1'; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
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# Test that FLUSH clears one table but not another | ||
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FLUSH TABLE_STATISTICS; | ||
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SELECT ROWS_READ FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t1'; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
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# Test that FLUSH clears both tables now | ||
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FLUSH INDEX_STATISTICS; | ||
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SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
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# Test that stats are collected after the FLUSH again | ||
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SELECT COUNT(*) FROM t1; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t1'; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
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DROP TABLE t1; | ||
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# Bug 1183625 (handler::update_global_table_stats crash). | ||
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CREATE TABLE t2 (c1 INT UNSIGNED); | ||
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ALTER TABLE t2 MODIFY c1 FLOAT; | ||
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SELECT * FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t2'; | ||
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DROP TABLE t2; | ||
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# Bug 1183625 (handler::update_global_table_stats crash). | ||
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CREATE TABLE t2 (c1 INT UNSIGNED) ENGINE=InnoDB; | ||
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ALTER TABLE t2 MODIFY c1 FLOAT; | ||
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SELECT * FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t2'; | ||
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DROP TABLE t2; | ||
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SET GLOBAL userstat= @userstat_old; |
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SET @default_storage_engine_old = @@session.default_storage_engine; | ||
SET SESSION default_storage_engine = INNODB; | ||
FLUSH INDEX_STATISTICS; | ||
FLUSH TABLE_STATISTICS; | ||
SET @userstat_old= @@userstat; | ||
SET GLOBAL userstat=ON; | ||
CREATE TABLE t1 (id int(10), PRIMARY KEY (id)); | ||
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); | ||
SELECT COUNT(*) FROM t1; | ||
COUNT(*) | ||
10 | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
10 | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
10 | ||
FLUSH TABLE_STATISTICS; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
10 | ||
FLUSH INDEX_STATISTICS; | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
SELECT COUNT(*) FROM t1; | ||
COUNT(*) | ||
10 | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
10 | ||
SELECT ROWS_READ FROM INFORMATION_SCHEMA.INDEX_STATISTICS WHERE TABLE_NAME='t1'; | ||
ROWS_READ | ||
10 | ||
DROP TABLE t1; | ||
CREATE TABLE t2 (c1 INT UNSIGNED); | ||
ALTER TABLE t2 MODIFY c1 FLOAT; | ||
SELECT * FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t2'; | ||
TABLE_SCHEMA TABLE_NAME ROWS_READ ROWS_CHANGED ROWS_CHANGED_X_INDEXES | ||
DROP TABLE t2; | ||
CREATE TABLE t2 (c1 INT UNSIGNED) ENGINE=InnoDB; | ||
ALTER TABLE t2 MODIFY c1 FLOAT; | ||
SELECT * FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='t2'; | ||
TABLE_SCHEMA TABLE_NAME ROWS_READ ROWS_CHANGED ROWS_CHANGED_X_INDEXES | ||
DROP TABLE t2; | ||
SET GLOBAL userstat= @userstat_old; | ||
SET SESSION default_storage_engine = @default_storage_engine_old; |
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--source include/have_innodb.inc | ||
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SET @default_storage_engine_old = @@session.default_storage_engine; | ||
SET SESSION default_storage_engine = INNODB; | ||
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--source extra/table_index_statistics.inc | ||
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SET SESSION default_storage_engine = @default_storage_engine_old; |