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			252 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			252 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# Test of key cache with partitions
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--source include/have_partition.inc
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--disable_warnings
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DROP TABLE IF EXISTS t1, t2, v, x;
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--enable_warnings
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--echo # Actual test of key caches
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--echo # Verifing that reads/writes use the key cache correctly
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SELECT @org_key_cache_buffer_size:= @@global.default.key_buffer_size;
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--echo # Minimize default key cache (almost disabled).
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SET @@global.default.key_buffer_size = 1;
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CREATE TABLE t1 (
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  a INT,
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  b INT,
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  c INT NOT NULL,
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  PRIMARY KEY (a),
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  KEY `inx_b` (b))
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PARTITION BY RANGE (a)
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SUBPARTITION BY HASH (a)
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(PARTITION p0 VALUES LESS THAN (1167602410)
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 (SUBPARTITION sp0,
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  SUBPARTITION sp1),
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 PARTITION p1 VALUES LESS THAN MAXVALUE
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 (SUBPARTITION sp2,
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  SUBPARTITION sp3));
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CREATE TABLE t2 (
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  a INT,
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  b INT,
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  c INT NOT NULL,
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  PRIMARY KEY (a),
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  KEY `inx_b` (b));
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FLUSH TABLES;
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FLUSH STATUS;
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# Genereate 4096 rows. Idea from:
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# http://datacharmer.blogspot.com/2007/12/data-from-nothing-solution-to-pop-quiz.html
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SET @a:=1167602400;
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CREATE VIEW v AS SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4;
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CREATE VIEW x AS SELECT 1 FROM v,v a,v b;
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# due to I_S performance, this was substituted with include files which
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# uses SHOW STATUS
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#DELIMITER |;
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#CREATE PROCEDURE was_zero_reads()
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#BEGIN
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#  SELECT IF(VARIABLE_VALUE = 0,"Yes!","No!") as 'Was zero reads?'
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#  FROM INFORMATION_SCHEMA.SESSION_STATUS
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#  WHERE VARIABLE_NAME = 'KEY_READS';
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#  FLUSH STATUS;
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#END|
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#DELIMITER ;|
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FLUSH STATUS;
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INSERT t1 SELECT @a, @a * (1 - ((@a % 2) * 2)) , 1167612400 - (@a:=@a+1) FROM x, x y;
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--source include/check_key_req.inc
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--echo # row distribution:
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SELECT PARTITION_NAME, SUBPARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_SCHEMA='test' and TABLE_NAME='t1';
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DROP VIEW x;
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DROP VIEW v;
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FLUSH TABLES;
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FLUSH STATUS;
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SELECT COUNT(b) FROM t1 WHERE b >= 0;
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--source include/check_key_reads.inc
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INSERT t2 SELECT a,b,c FROM t1;
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--source include/check_key_req.inc
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FLUSH STATUS;
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SELECT COUNT(b) FROM t2 WHERE b >= 0;
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--source include/check_key_reads.inc
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FLUSH TABLES;
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--echo # Setting the default key cache to 1M
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SET GLOBAL key_buffer_size = 1024*1024;
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FLUSH STATUS;
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--echo # All these have to read the indexes
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LOAD INDEX INTO CACHE t1 PARTITION (p1);
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--source include/check_key_reads.inc
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SELECT COUNT(b) FROM t1 WHERE b >= 0;
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--source include/check_key_reads.inc
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SELECT COUNT(b) FROM t2 WHERE b >= 0;
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--source include/check_key_reads.inc
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--echo # All these should be able to use the key cache
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SELECT COUNT(b) FROM t1 WHERE b >= 0;
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--source include/check_key_reads.inc
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SELECT COUNT(b) FROM t2 WHERE b >= 0;
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--source include/check_key_reads.inc
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FLUSH TABLES;
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LOAD INDEX INTO CACHE t1 PARTITION (p1,p0);
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--source include/check_key_reads.inc
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--echo # should not be zero
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SELECT COUNT(b) FROM t1 WHERE b >= 0;
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--source include/check_key_reads.inc
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LOAD INDEX INTO CACHE t2;
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--source include/check_key_reads.inc
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--echo # should not be zero
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SELECT COUNT(b) FROM t2 WHERE b >= 0;
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--source include/check_key_reads.inc
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FLUSH TABLES;
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LOAD INDEX INTO CACHE t1 PARTITION (p1,p0) IGNORE LEAVES;
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--source include/check_key_reads.inc
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--echo # should not be zero
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SELECT COUNT(b) FROM t1 WHERE b >= 0;
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--source include/check_key_reads.inc
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LOAD INDEX INTO CACHE t2 IGNORE LEAVES;
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--source include/check_key_reads.inc
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--echo # should not be zero
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SELECT COUNT(b) FROM t2 WHERE b >= 0;
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--source include/check_key_reads.inc
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TRUNCATE TABLE t2;
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INSERT t2 SELECT a,b,c FROM t1;
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--source include/check_key_req.inc
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DROP TABLE t1,t2;
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SET GLOBAL hot_cache.key_buffer_size = 1024*1024;
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SET GLOBAL warm_cache.key_buffer_size = 1024*1024;
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SET @@global.cold_cache.key_buffer_size = 1024*1024;
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SELECT @@global.default.key_buffer_size a, @@global.default.key_cache_block_size b, @@global.default.key_cache_age_threshold c, @@global.default.key_cache_division_limit d;
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SELECT @@global.hot_cache.key_buffer_size a, @@global.hot_cache.key_cache_block_size b, @@global.hot_cache.key_cache_age_threshold c, @@global.hot_cache.key_cache_division_limit d;
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SELECT @@global.warm_cache.key_buffer_size a, @@global.warm_cache.key_cache_block_size b, @@global.warm_cache.key_cache_age_threshold c, @@global.warm_cache.key_cache_division_limit d;
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SELECT @@global.cold_cache.key_buffer_size a, @@global.cold_cache.key_cache_block_size b, @@global.cold_cache.key_cache_age_threshold c, @@global.cold_cache.key_cache_division_limit d;
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CREATE TABLE t1 (
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  a INT,
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  b VARCHAR(257),
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  c INT NOT NULL,
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  PRIMARY KEY (a),
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  KEY `inx_b` (b),
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  KEY `inx_c`(c))
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PARTITION BY RANGE (a)
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SUBPARTITION BY HASH (a)
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(PARTITION p0 VALUES LESS THAN (10)
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 (SUBPARTITION sp0,
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  SUBPARTITION sp1),
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 PARTITION p1 VALUES LESS THAN MAXVALUE
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 (SUBPARTITION sp2,
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  SUBPARTITION sp3));
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CREATE TABLE t2 (
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  a INT,
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  b VARCHAR(257),
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  c INT NOT NULL,
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  PRIMARY KEY (a),
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  KEY `inx_b` (b),
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  KEY `inx_c`(c));
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SET @a:=1167602400;
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# Genereate 4096 rows. Idea from:
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# http://datacharmer.blogspot.com/2007/12/data-from-nothing-solution-to-pop-quiz.html
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CREATE VIEW v AS SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4;
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CREATE VIEW x AS SELECT 1 FROM v,v a,v b;
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INSERT t1 SELECT @a, CONCAT('X_', @a, ' MySQL'), 1167612400 - (@a:=@a+1) FROM x, x a;
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DROP VIEW x;
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DROP VIEW v;
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INSERT t2 SELECT a, b, c FROM t1;
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SELECT COUNT(*) FROM t1;
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SELECT COUNT(*) FROM t2;
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FLUSH TABLES;
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--echo # Restrict partitioned commands to partitioned tables only
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--error ER_PARTITION_MGMT_ON_NONPARTITIONED
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CACHE INDEX t2 PARTITION (p0) KEY (`inx_b`) IN hot_cache;
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--error ER_PARTITION_MGMT_ON_NONPARTITIONED
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CACHE INDEX t2 PARTITION (p0,`p1`) INDEX (`PRIMARY`) IN hot_cache;
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--error ER_PARTITION_MGMT_ON_NONPARTITIONED
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CACHE INDEX t2 PARTITION (`p1`) INDEX (`PRIMARY`,`inx_b`) IN hot_cache;
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--error ER_PARTITION_MGMT_ON_NONPARTITIONED
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CACHE INDEX t2 PARTITION (ALL) KEY (`inx_b`,`PRIMARY`) IN hot_cache;
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--echo # Basic key cache testing
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--echo # The manual correctly says: "The syntax of CACHE INDEX enables you to
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--echo # specify that only particular indexes from a table should be assigned
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--echo # to the cache. The current implementation assigns all the table's
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--echo # indexes to the cache, so there is no reason to specify anything
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--echo # other than the table name."
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--echo # So the most of the test only tests the syntax 
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CACHE INDEX t2 INDEX (`inx_b`) IN hot_cache;
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CACHE INDEX t2 KEY (`PRIMARY`) IN warm_cache;
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CACHE INDEX t2 KEY (`PRIMARY`,`inx_b`) IN cold_cache;
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CACHE INDEX t2 INDEX (inx_b,`PRIMARY`) IN default;
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CACHE INDEX t1 PARTITION (p0) KEY (`inx_b`) IN cold_cache;
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--error ER_PARSE_ERROR
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CACHE INDEX t1 PARTITIONS (p0) KEY (`inx_b`) IN cold_cache;
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--echo # only one table at a time if specifying partitions
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--error ER_PARSE_ERROR
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CACHE INDEX t1,t2 PARTITION (p0) KEY (`inx_b`) IN cold_cache;
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CACHE INDEX t1 PARTITION (`p0`,p1) INDEX (`PRIMARY`) IN warm_cache;
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CACHE INDEX t1 PARTITION (`p1`) INDEX (`PRIMARY`,inx_b) IN hot_cache;
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CACHE INDEX t1 PARTITION (ALL) KEY (`inx_b`,`PRIMARY`) IN default;
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CACHE INDEX t1 PARTITION (ALL) IN hot_cache;
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CACHE INDEX t1 INDEX (`inx_b`) IN default;
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CACHE INDEX t1 KEY (`PRIMARY`) IN hot_cache;
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CACHE INDEX t1 KEY (`PRIMARY`,`inx_b`) IN warm_cache;
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CACHE INDEX t1 INDEX (`inx_b`,`PRIMARY`) IN cold_cache;
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CACHE INDEX t1 IN hot_cache;
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--echo # Test of non existent key cache:
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--error ER_UNKNOWN_KEY_CACHE
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CACHE INDEX t1 IN non_existent_key_cache;
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--echo # Basic testing of LOAD INDEX
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LOAD INDEX INTO CACHE t2;
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--echo # PRIMARY and secondary keys have different block sizes
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LOAD INDEX INTO CACHE t2 ignore leaves;
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--echo # Must have INDEX or KEY before the index list
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--error ER_PARSE_ERROR
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LOAD INDEX INTO CACHE t2 (`PRIMARY`);
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--echo # Test of IGNORE LEAVES
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LOAD INDEX INTO CACHE t2 INDEX (`PRIMARY`);
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LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`,`inx_b`) IGNORE LEAVES;
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CACHE INDEX t2 IN warm_cache;
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CACHE INDEX t1 IN cold_cache;
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LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`) IGNORE LEAVES;
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CACHE INDEX t2 INDEX (`inx_b`, `inx_c`) IN hot_cache;
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LOAD INDEX INTO CACHE t2 KEY (`inx_b`, `inx_c`) IGNORE LEAVES;
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CACHE INDEX t2 IN warm_cache;
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CACHE INDEX t2 INDEX (`PRIMARY`, `inx_c`) IN hot_cache;
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LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`,`inx_c`) IGNORE LEAVES;
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CACHE INDEX t2 INDEX (`inx_b`,`PRIMARY`) IN default;
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LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`,`inx_b`);
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CACHE INDEX t2 IN default;
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LOAD INDEX INTO CACHE t2 IGNORE LEAVES;
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--error ER_PARTITION_MGMT_ON_NONPARTITIONED
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LOAD INDEX INTO CACHE t2 PARTITION (p1) INDEX (`PRIMARY`);
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LOAD INDEX INTO CACHE t1, t2;
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--echo # only one table at a time if specifying partitions
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--error ER_PARSE_ERROR
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LOAD INDEX INTO CACHE t1 PARTITION (p0), t2;
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LOAD INDEX INTO CACHE t1 IGNORE LEAVES;
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LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`);
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LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`,`inx_b`) IGNORE LEAVES;
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LOAD INDEX INTO CACHE t1 INDEX (`inx_b`) IGNORE LEAVES;
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LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`) IGNORE LEAVES;
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LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`,`inx_b`);
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LOAD INDEX INTO CACHE t1 PARTITION (p1) INDEX (`PRIMARY`);
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LOAD INDEX INTO CACHE t1 PARTITION (`p1`,p0) KEY (`PRIMARY`) IGNORE LEAVES;
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LOAD INDEX INTO CACHE t1 PARTITION (ALL);
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--error ER_PARSE_ERROR
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LOAD INDEX INTO CACHE t1 PARTITIONS ALL;
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LOAD INDEX INTO CACHE t1 PARTITION (p1,`p0`) IGNORE LEAVES;
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DROP INDEX `inx_b` on t1;
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DROP INDEX `inx_b` on t2;
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--error ER_PARTITION_MGMT_ON_NONPARTITIONED
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CACHE INDEX t2 PARTITION (p0) KEY (`inx_b`) IN hot_cache;
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CACHE INDEX t2 INDEX (`inx_b`) IN hot_cache;
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CACHE INDEX t1 PARTITION (p0) KEY (`inx_b`) IN hot_cache;
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CACHE INDEX t1 INDEX (`inx_b`) IN hot_cache;
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DROP TABLE t1,t2;
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SET GLOBAL hot_cache.key_buffer_size = 0;
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SET GLOBAL warm_cache.key_buffer_size = 0;
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SET @@global.cold_cache.key_buffer_size = 0;
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SELECT @@global.default.key_buffer_size a, @@global.default.key_cache_block_size b, @@global.default.key_cache_age_threshold c, @@global.default.key_cache_division_limit d;
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SELECT @@global.hot_cache.key_buffer_size a, @@global.hot_cache.key_cache_block_size b, @@global.hot_cache.key_cache_age_threshold c, @@global.hot_cache.key_cache_division_limit d;
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SELECT @@global.warm_cache.key_buffer_size a, @@global.warm_cache.key_cache_block_size b, @@global.warm_cache.key_cache_age_threshold c, @@global.warm_cache.key_cache_division_limit d;
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SELECT @@global.cold_cache.key_buffer_size a, @@global.cold_cache.key_cache_block_size b, @@global.cold_cache.key_cache_age_threshold c, @@global.cold_cache.key_cache_division_limit d;
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--disable_warnings
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SET @@global.default.key_buffer_size = @org_key_cache_buffer_size;
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--enable_warnings
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