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merge (and including the fix for bug#48939 since that was not included in mysql-trunk-bugfixing).

pull/374/head
Mattias Jonsson 16 years ago
parent
618be0b838 e8bea38238
commit
a094489728
5 changed files with 689 additions and 2 deletions
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  1. 6
      mysql-test/include/check_key_reads.inc
  2. 9
      mysql-test/include/check_key_req.inc
  3. 420
      mysql-test/r/partition_key_cache.result
  4. 252
      mysql-test/t/partition_key_cache.test
  5. 4
      sql/protocol.cc

6
mysql-test/include/check_key_reads.inc
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# include file for checking if variable key_reads is zero
let $key_reads= query_get_value(SHOW STATUS LIKE 'key_reads',Value,1);
--disable_query_log
eval SELECT IF($key_reads = 0, "Yes!", "No!") as 'Zero key reads?';
FLUSH STATUS;
--enable_query_log

9
mysql-test/include/check_key_req.inc
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# include file for checking if variable key_reads = key_read_requests
let $key_reads= query_get_value(SHOW STATUS LIKE 'key_reads',Value,1);
let $key_r_req= query_get_value(SHOW STATUS LIKE 'key_read_requests',Value,1);
let $key_writes= query_get_value(SHOW STATUS LIKE 'key_writes',Value,1);
let $key_w_req= query_get_value(SHOW STATUS LIKE 'key_write_requests',Value,1);
--disable_query_log
eval SELECT IF($key_reads = $key_r_req, "reads == requests", "reads != requests") as 'reads vs requests';
eval SELECT IF($key_writes = $key_w_req, "writes == requests", "writes != requests") as 'writes vs requests';
--enable_query_log

420
mysql-test/r/partition_key_cache.result
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DROP TABLE IF EXISTS t1, t2, v, x;
# Actual test of key caches
# Verifing that reads/writes use the key cache correctly
SELECT @org_key_cache_buffer_size:= @@global.default.key_buffer_size;
@org_key_cache_buffer_size:= @@global.default.key_buffer_size
1048576
# Minimize default key cache (almost disabled).
SET @@global.default.key_buffer_size = 1;
Warnings:
Warning 1292 Truncated incorrect key_buffer_size value: '1'
SELECT @@global.default.key_buffer_size;
@@global.default.key_buffer_size
36
CREATE TABLE t1 (
a INT,
b INT,
c INT NOT NULL,
PRIMARY KEY (a),
KEY `inx_b` (b))
PARTITION BY RANGE (a)
SUBPARTITION BY HASH (a)
(PARTITION p0 VALUES LESS THAN (1167602410)
(SUBPARTITION sp0,
SUBPARTITION sp1),
PARTITION p1 VALUES LESS THAN MAXVALUE
(SUBPARTITION sp2,
SUBPARTITION sp3));
CREATE TABLE t2 (
a INT,
b INT,
c INT NOT NULL,
PRIMARY KEY (a),
KEY `inx_b` (b));
FLUSH TABLES;
FLUSH STATUS;
SET @a:=1167602400;
CREATE VIEW v AS SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4;
CREATE VIEW x AS SELECT 1 FROM v,v a,v b;
FLUSH STATUS;
INSERT t1 SELECT @a, @a * (1 - ((@a % 2) * 2)) , 1167612400 - (@a:=@a+1) FROM x, x y;
reads vs requests
reads == requests
writes vs requests
writes == requests
# row distribution:
SELECT PARTITION_NAME, SUBPARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_SCHEMA='test' and TABLE_NAME='t1';
PARTITION_NAME SUBPARTITION_NAME TABLE_ROWS
p0 sp0 5
p0 sp1 5
p1 sp2 2043
p1 sp3 2043
DROP VIEW x;
DROP VIEW v;
FLUSH TABLES;
FLUSH STATUS;
SELECT COUNT(b) FROM t1 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
No!
INSERT t2 SELECT a,b,c FROM t1;
reads vs requests
reads == requests
writes vs requests
writes == requests
FLUSH STATUS;
SELECT COUNT(b) FROM t2 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
No!
FLUSH TABLES;
# Setting the default key cache to 1M
SET GLOBAL key_buffer_size = 1024*1024;
FLUSH STATUS;
# All these have to read the indexes
LOAD INDEX INTO CACHE t1 PARTITION (p1);
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
Zero key reads?
No!
SELECT COUNT(b) FROM t1 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
No!
SELECT COUNT(b) FROM t2 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
No!
# All these should be able to use the key cache
SELECT COUNT(b) FROM t1 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
Yes!
SELECT COUNT(b) FROM t2 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
Yes!
FLUSH TABLES;
LOAD INDEX INTO CACHE t1 PARTITION (p1,p0);
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
Zero key reads?
No!
# should not be zero
SELECT COUNT(b) FROM t1 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
Yes!
LOAD INDEX INTO CACHE t2;
Table Op Msg_type Msg_text
test.t2 preload_keys status OK
Zero key reads?
No!
# should not be zero
SELECT COUNT(b) FROM t2 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
Yes!
FLUSH TABLES;
LOAD INDEX INTO CACHE t1 PARTITION (p1,p0) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
Zero key reads?
No!
# should not be zero
SELECT COUNT(b) FROM t1 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
No!
LOAD INDEX INTO CACHE t2 IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t2 preload_keys status OK
Zero key reads?
No!
# should not be zero
SELECT COUNT(b) FROM t2 WHERE b >= 0;
COUNT(b)
2048
Zero key reads?
No!
TRUNCATE TABLE t2;
INSERT t2 SELECT a,b,c FROM t1;
reads vs requests
reads != requests
writes vs requests
writes != requests
DROP TABLE t1,t2;
SET GLOBAL hot_cache.key_buffer_size = 1024*1024;
SET GLOBAL warm_cache.key_buffer_size = 1024*1024;
SET @@global.cold_cache.key_buffer_size = 1024*1024;
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;
a b c d
1048576 1024 300 100
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;
a b c d
1048576 1024 300 100
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;
a b c d
1048576 1024 300 100
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;
a b c d
1048576 1024 300 100
CREATE TABLE t1 (
a INT,
b VARCHAR(257),
c INT NOT NULL,
PRIMARY KEY (a),
KEY `inx_b` (b),
KEY `inx_c`(c))
PARTITION BY RANGE (a)
SUBPARTITION BY HASH (a)
(PARTITION p0 VALUES LESS THAN (10)
(SUBPARTITION sp0,
SUBPARTITION sp1),
PARTITION p1 VALUES LESS THAN MAXVALUE
(SUBPARTITION sp2,
SUBPARTITION sp3));
CREATE TABLE t2 (
a INT,
b VARCHAR(257),
c INT NOT NULL,
PRIMARY KEY (a),
KEY `inx_b` (b),
KEY `inx_c`(c));
SET @a:=1167602400;
CREATE VIEW v AS SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4;
CREATE VIEW x AS SELECT 1 FROM v,v a,v b;
INSERT t1 SELECT @a, CONCAT('X_', @a, ' MySQL'), 1167612400 - (@a:=@a+1) FROM x, x a;
DROP VIEW x;
DROP VIEW v;
INSERT t2 SELECT a, b, c FROM t1;
SELECT COUNT(*) FROM t1;
COUNT(*)
4096
SELECT COUNT(*) FROM t2;
COUNT(*)
4096
FLUSH TABLES;
# Restrict partitioned commands to partitioned tables only
CACHE INDEX t2 PARTITION (p0) KEY (`inx_b`) IN hot_cache;
ERROR HY000: Partition management on a not partitioned table is not possible
CACHE INDEX t2 PARTITION (p0,`p1`) INDEX (`PRIMARY`) IN hot_cache;
ERROR HY000: Partition management on a not partitioned table is not possible
CACHE INDEX t2 PARTITION (`p1`) INDEX (`PRIMARY`,`inx_b`) IN hot_cache;
ERROR HY000: Partition management on a not partitioned table is not possible
CACHE INDEX t2 PARTITION (ALL) KEY (`inx_b`,`PRIMARY`) IN hot_cache;
ERROR HY000: Partition management on a not partitioned table is not possible
# Basic key cache testing
# The manual correctly says: "The syntax of CACHE INDEX enables you to
# specify that only particular indexes from a table should be assigned
# to the cache. The current implementation assigns all the table's
# indexes to the cache, so there is no reason to specify anything
# other than the table name."
# So the most of the test only tests the syntax
CACHE INDEX t2 INDEX (`inx_b`) IN hot_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
CACHE INDEX t2 KEY (`PRIMARY`) IN warm_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
CACHE INDEX t2 KEY (`PRIMARY`,`inx_b`) IN cold_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
CACHE INDEX t2 INDEX (inx_b,`PRIMARY`) IN default;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
CACHE INDEX t1 PARTITION (p0) KEY (`inx_b`) IN cold_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 PARTITIONS (p0) KEY (`inx_b`) IN cold_cache;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'PARTITIONS (p0) KEY (`inx_b`) IN cold_cache' at line 1
# only one table at a time if specifying partitions
CACHE INDEX t1,t2 PARTITION (p0) KEY (`inx_b`) IN cold_cache;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'PARTITION (p0) KEY (`inx_b`) IN cold_cache' at line 1
CACHE INDEX t1 PARTITION (`p0`,p1) INDEX (`PRIMARY`) IN warm_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 PARTITION (`p1`) INDEX (`PRIMARY`,inx_b) IN hot_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 PARTITION (ALL) KEY (`inx_b`,`PRIMARY`) IN default;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 PARTITION (ALL) IN hot_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 INDEX (`inx_b`) IN default;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 KEY (`PRIMARY`) IN hot_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 KEY (`PRIMARY`,`inx_b`) IN warm_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 INDEX (`inx_b`,`PRIMARY`) IN cold_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
CACHE INDEX t1 IN hot_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
# Test of non existent key cache:
CACHE INDEX t1 IN non_existent_key_cache;
ERROR HY000: Unknown key cache 'non_existent_key_cache'
# Basic testing of LOAD INDEX
LOAD INDEX INTO CACHE t2;
Table Op Msg_type Msg_text
test.t2 preload_keys status OK
# PRIMARY and secondary keys have different block sizes
LOAD INDEX INTO CACHE t2 ignore leaves;
Table Op Msg_type Msg_text
test.t2 preload_keys error Indexes use different block sizes
test.t2 preload_keys status Operation failed
# Must have INDEX or KEY before the index list
LOAD INDEX INTO CACHE t2 (`PRIMARY`);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(`PRIMARY`)' at line 1
# Test of IGNORE LEAVES
LOAD INDEX INTO CACHE t2 INDEX (`PRIMARY`);
Table Op Msg_type Msg_text
test.t2 preload_keys status OK
LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`,`inx_b`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t2 preload_keys error Indexes use different block sizes
test.t2 preload_keys status Operation failed
CACHE INDEX t2 IN warm_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
CACHE INDEX t1 IN cold_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache status OK
LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t2 preload_keys error Indexes use different block sizes
test.t2 preload_keys status Operation failed
CACHE INDEX t2 INDEX (`inx_b`, `inx_c`) IN hot_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
LOAD INDEX INTO CACHE t2 KEY (`inx_b`, `inx_c`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t2 preload_keys error Indexes use different block sizes
test.t2 preload_keys status Operation failed
CACHE INDEX t2 IN warm_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
CACHE INDEX t2 INDEX (`PRIMARY`, `inx_c`) IN hot_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`,`inx_c`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t2 preload_keys error Indexes use different block sizes
test.t2 preload_keys status Operation failed
CACHE INDEX t2 INDEX (`inx_b`,`PRIMARY`) IN default;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
LOAD INDEX INTO CACHE t2 KEY (`PRIMARY`,`inx_b`);
Table Op Msg_type Msg_text
test.t2 preload_keys status OK
CACHE INDEX t2 IN default;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache status OK
LOAD INDEX INTO CACHE t2 IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t2 preload_keys error Indexes use different block sizes
test.t2 preload_keys status Operation failed
LOAD INDEX INTO CACHE t2 PARTITION (p1) INDEX (`PRIMARY`);
ERROR HY000: Partition management on a not partitioned table is not possible
LOAD INDEX INTO CACHE t1, t2;
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
test.t2 preload_keys status OK
# only one table at a time if specifying partitions
LOAD INDEX INTO CACHE t1 PARTITION (p0), t2;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' t2' at line 1
LOAD INDEX INTO CACHE t1 IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys error Indexes use different block sizes
test.t1 preload_keys error Subpartition sp2 returned error
test.t1 preload_keys status Operation failed
LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`);
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`,`inx_b`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys error Indexes use different block sizes
test.t1 preload_keys error Subpartition sp2 returned error
test.t1 preload_keys status Operation failed
LOAD INDEX INTO CACHE t1 INDEX (`inx_b`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys error Indexes use different block sizes
test.t1 preload_keys error Subpartition sp2 returned error
test.t1 preload_keys status Operation failed
LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys error Indexes use different block sizes
test.t1 preload_keys error Subpartition sp2 returned error
test.t1 preload_keys status Operation failed
LOAD INDEX INTO CACHE t1 INDEX (`PRIMARY`,`inx_b`);
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
LOAD INDEX INTO CACHE t1 PARTITION (p1) INDEX (`PRIMARY`);
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
LOAD INDEX INTO CACHE t1 PARTITION (`p1`,p0) KEY (`PRIMARY`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys error Indexes use different block sizes
test.t1 preload_keys error Subpartition sp2 returned error
test.t1 preload_keys status Operation failed
LOAD INDEX INTO CACHE t1 PARTITION (ALL);
Table Op Msg_type Msg_text
test.t1 preload_keys status OK
LOAD INDEX INTO CACHE t1 PARTITIONS ALL;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'PARTITIONS ALL' at line 1
LOAD INDEX INTO CACHE t1 PARTITION (p1,`p0`) IGNORE LEAVES;
Table Op Msg_type Msg_text
test.t1 preload_keys error Indexes use different block sizes
test.t1 preload_keys error Subpartition sp2 returned error
test.t1 preload_keys status Operation failed
DROP INDEX `inx_b` on t1;
DROP INDEX `inx_b` on t2;
CACHE INDEX t2 PARTITION (p0) KEY (`inx_b`) IN hot_cache;
ERROR HY000: Partition management on a not partitioned table is not possible
CACHE INDEX t2 INDEX (`inx_b`) IN hot_cache;
Table Op Msg_type Msg_text
test.t2 assign_to_keycache Error Key 'inx_b' doesn't exist in table 't2'
test.t2 assign_to_keycache status Operation failed
CACHE INDEX t1 PARTITION (p0) KEY (`inx_b`) IN hot_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache error Subpartition sp0 returned error
test.t1 assign_to_keycache Error Key 'inx_b' doesn't exist in table 't1'
test.t1 assign_to_keycache status Operation failed
CACHE INDEX t1 INDEX (`inx_b`) IN hot_cache;
Table Op Msg_type Msg_text
test.t1 assign_to_keycache error Subpartition sp0 returned error
test.t1 assign_to_keycache Error Key 'inx_b' doesn't exist in table 't1'
test.t1 assign_to_keycache status Operation failed
DROP TABLE t1,t2;
SET GLOBAL hot_cache.key_buffer_size = 0;
SET GLOBAL warm_cache.key_buffer_size = 0;
SET @@global.cold_cache.key_buffer_size = 0;
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;
a b c d
1048576 1024 300 100
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;
a b c d
0 1024 300 100
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;
a b c d
0 1024 300 100
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;
a b c d
0 1024 300 100
SET @@global.default.key_buffer_size = @org_key_cache_buffer_size;

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

4
sql/protocol.cc
View File

@ -411,8 +411,8 @@ bool net_send_error_packet(THD *thd, uint sql_errno, const char *err,
thd->variables.character_set_results,
err, strlen(err),
system_charset_info, &error);
length= (uint) (strmake((char*) pos, (char*)converted_err, MYSQL_ERRMSG_SIZE) -
(char*) buff);
length= (uint) (strmake((char*) pos, (char*)converted_err,
MYSQL_ERRMSG_SIZE - 1) - (char*) buff);
err= (char*) buff;
DBUG_RETURN(net_write_command(net,(uchar) 255, (uchar*) "", 0, (uchar*) err,
length));

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