1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
# 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
SET @org_key_cache_buffer_size= @@global.default.key_buffer_size;
--echo # Minimize default key cache (almost disabled).
SET @@global.default.key_buffer_size = 4096;
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;
--echo #
--echo # Bug#12361113: crash when load index into cache
--echo #
--echo # Note that this creates an empty disabled key cache!
SET GLOBAL key_cache_none.key_cache_block_size = 1024;
CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) )
ENGINE = MYISAM
PARTITION BY HASH(a) PARTITIONS 2;
INSERT INTO t1 VALUES (1, 1);
--error ER_UNKNOWN_KEY_CACHE
CACHE INDEX t1 IN key_cache_none;
--error ER_UNKNOWN_KEY_CACHE
CACHE INDEX t1 PARTITION (p0) IN key_cache_none;
--error ER_UNKNOWN_KEY_CACHE
CACHE INDEX t1 PARTITION (p1) IN key_cache_none;
--error ER_UNKNOWN_KEY_CACHE
CACHE INDEX t1 PARTITION (p0) KEY (`b`) IN key_cache_none;
--error ER_UNKNOWN_KEY_CACHE
CACHE INDEX t1 PARTITION (p1) KEY (`b`) IN key_cache_none;
--echo # The bug crashed the server at LOAD INDEX below. Now it will succeed
--echo # since the default cache is used due to CACHE INDEX failed for
--echo # key_cache_none.
LOAD INDEX INTO CACHE t1;
DROP TABLE t1;
--echo # Clean up
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
|
