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
|
############# mysql-test\t\query_prealloc_size_func.test ######################
# #
# Variable Name: query_prealloc_size #
# Scope: GLOBAL & SESSION #
# Access Type: Dynamic #
# Data Type: integer #
# Default Value: 8192 #
# Values: 8192-4294967295 #
# #
# #
# Creation Date: 2008-02-22 #
# Author: Sharique Abdullah #
# #
# Description: Test Cases of Dynamic System Variable "query_prealloc_size" #
# that checks behavior of this variable in the following ways #
# * Default Value #
# * Valid & Invalid values #
# * Scope & Access method #
# * Cache behaviors #
# #
# Reference: #
# http://dev.mysql.com/doc/refman/5.1/en/server-system-variables.html #
# #
###############################################################################
--echo ** Setup **
--echo
#
# Setup
#
#
# Save initial value
#
SET @start_value = @@global.query_prealloc_size;
CREATE TABLE t1 (id INT AUTO_INCREMENT PRIMARY KEY, val TEXT(200));
INSERT INTO t1 VALUES(NULL,'a');
INSERT INTO t1 VALUES(NULL,'b');
INSERT INTO t1 VALUES(NULL,'c');
INSERT INTO t1 VALUES(NULL,'d');
SELECT * FROM t1 ORDER BY val;
SET SESSION query_prealloc_size = 8192;
--echo '#----------------------------FN_DYNVARS_137_05-----------------#'
#
# Session data integrity check & GLOBAL Value check
#
SET GLOBAL query_prealloc_size = 8192;
connect (con_int1,localhost,root,,);
connection con_int1;
SELECT @@SESSION.query_prealloc_size;
--echo Expected Value : 8192;
SET SESSION query_prealloc_size = 16384;
connect (con_int2,localhost,root,,);
connection con_int2;
SELECT @@SESSION.query_prealloc_size;
--echo Expected Value : 8192;
SET SESSION query_prealloc_size = 8192;
connection con_int1;
SELECT @@SESSION.query_prealloc_size;
--echo Expected Value : 16384;
connection con_int2;
SELECT @@SESSION.query_prealloc_size;
--echo Expected Value : 8192;
SELECT @@GLOBAL.query_prealloc_size;
--echo Expected Value : 8192;
connection default;
disconnect con_int1;
disconnect con_int2;
DROP TABLE t1;
SET @@global.query_prealloc_size = @start_value;
|
