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
|
# 2014 August 30
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
source [file join [file dirname [info script]] rbu_common.tcl]
set ::testprefix rbutemplimit
db close
sqlite3_shutdown
sqlite3_config_uri 1
proc setup_databases {} {
forcedelete test.db2
forcedelete test.db
sqlite3 db test.db
execsql {
-- Create target database schema.
--
CREATE TABLE t1(a INTEGER PRIMARY KEY, b BLOB(100), c BLOB(100));
CREATE TABLE t2(a INTEGER PRIMARY KEY, b BLOB(100), c BLOB(100));
CREATE INDEX i1b ON t1(b);
CREATE INDEX i1c ON t1(c);
CREATE INDEX i2b ON t2(b);
CREATE INDEX i2c ON t2(c);
-- Create a large RBU database.
--
ATTACH 'test.db2' AS rbu;
CREATE TABLE rbu.data_t1(a, b, c, rbu_control);
WITH s(i) AS (
VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<10000
)
INSERT INTO data_t1 SELECT i, randomblob(100), randomblob(100), 0 FROM s;
CREATE TABLE rbu.data_t2(a, b, c, rbu_control);
WITH s(i) AS (
VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<15000
)
INSERT INTO data_t2 SELECT i, randomblob(100), randomblob(100), 0 FROM s;
}
db close
}
proc run_rbu_cachesize {target rbu cachesize temp_limit} {
sqlite3rbu rbu $target $rbu
rbu temp_size_limit $temp_limit
sqlite3_exec_nr [rbu db 1] "PRAGMA cache_size = $cachesize"
while 1 {
set rc [rbu step]
set ::A([rbu temp_size]) 1
if {$rc!="SQLITE_OK"} break
}
list [catch {rbu close} msg] $msg
}
proc step_rbu_cachesize {target rbu stepsize cachesize temp_limit} {
set res ""
while 1 {
sqlite3rbu rbu $target $rbu
rbu temp_size_limit $temp_limit
sqlite3_exec_nr [rbu db 1] "PRAGMA cache_size = $cachesize"
for {set i 0} {$i < $stepsize} {incr i} {
set rc [rbu step]
set ::A([rbu temp_size]) 1
if {$rc!="SQLITE_OK"} break
}
set res [list [catch {rbu close} msg] $msg]
if {$res != "0 SQLITE_OK"} break
}
set res
}
do_test 1.1.0 { setup_databases } {}
do_test 1.1.1 {
unset -nocomplain ::A
run_rbu_cachesize test.db test.db2 10 0
} {0 SQLITE_DONE}
do_test 1.1.2 { llength [array names ::A] } 3
do_test 1.1.3 {
foreach {a0 a1 a2} [lsort -integer [array names ::A]] {}
list [expr $a0==0] \
[expr $a1>1048576] [expr $a1<1200000] \
[expr $a2>1500000] [expr $a2<1700000]
} {1 1 1 1 1}
do_test 1.2.1 {
setup_databases
run_rbu_cachesize test.db test.db2 10 1000000
} {1 SQLITE_FULL}
do_test 1.2.2 { info commands rbu } {}
do_test 1.3.1 {
setup_databases
run_rbu_cachesize test.db test.db2 10 1300000
} {1 SQLITE_FULL}
do_test 1.3.2 { info commands rbu } {}
do_test 1.4.1 {
setup_databases
run_rbu_cachesize test.db test.db2 10 1800000
} {0 SQLITE_DONE}
do_test 1.4.2 { info commands rbu } {}
do_test 1.5.1 {
setup_databases
unset -nocomplain ::A
step_rbu_cachesize test.db test.db2 1000 10 2400000
} {0 SQLITE_DONE}
do_test 1.5.2 { info commands rbu } {}
do_test 1.6.1 {
setup_databases
unset -nocomplain ::A
step_rbu_cachesize test.db test.db2 1000 10 1400000
} {1 SQLITE_FULL}
do_test 1.6.2 { info commands rbu } {}
finish_test
|
