xref: /sqlite-3.40.0/test/vacuum6.test (revision cf2ad7ae) 
1# 2016-08-19
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
6#    May you do good and not evil.
7#    May you find forgiveness for yourself and forgive others.
8#    May you share freely, never taking more than you give.
9#
10#***********************************************************************
11#
12# This file implements a test for VACUUM on attached databases.
13#
14# TESTRUNNER: slow
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18set testprefix vacuum6
19
20# If the VACUUM statement is disabled in the current build, skip all
21# the tests in this file.
22#
23ifcapable !vacuum {
24  finish_test
25  return
26}
27
28
29do_execsql_test 1.0 {
30  CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
31  INSERT INTO t1 VALUES(1, 1);
32} {}
33
34do_execsql_test 1.1 {
35  VACUUM
36}
37
38reset_db
39do_execsql_test 1.2 {
40  CREATE TABLE t1(x,b);
41  CREATE INDEX x1 ON t1(x);
42  CREATE INDEX x2 ON t1(x);
43  CREATE INDEX x3 ON t1(x);
44  INSERT INTO t1 SELECT 2,'';
45  VACUUM;
46}
47
48#-------------------------------------------------------------------------
49#
50reset_db
51foreach {tn sz} {1 400 2 4000 3 9999} {
52  reset_db
53  do_execsql_test 2.$tn.1 {
54    CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
55    WITH s(i) AS (
56        SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100
57    )
58    INSERT INTO t1 SELECT i, randomblob($sz) FROM s;
59  }
60
61  do_execsql_test 2.$tn.2 {
62    vacuum;
63  }
64
65  do_execsql_test 2.$tn.3 {
66    PRAGMA integrity_check;
67  } {ok}
68}
69
70reset_db
71do_execsql_test 3.0 {
72  PRAGMA page_size = 1024;
73  CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
74  INSERT INTO t1 VALUES(2, randomblob(1200));
75} {}
76do_execsql_test 3.1 {
77  PRAGMA page_size = 512;
78  VACUUM;
79}
80do_execsql_test 3.2 {
81  PRAGMA integrity_check
82} {ok}
83
84#-------------------------------------------------------------------------
85#
86reset_db
87do_execsql_test 4.0 {
88  CREATE TABLE tx(a, b);
89  CREATE INDEX i1 ON tx(b);
90  WITH s(i) AS (
91      SELECT 8000 UNION ALL SELECT i+1 FROM s WHERE i<10000
92  )
93  INSERT INTO tx SELECT i, randomblob(i) FROM s;
94
95  SELECT sum(length(b)) FROM tx;
96} {18009000}
97foreach {tn pgsz av} {
98  1 2048   0
99  2 1024   1
100  3 65536  0
101  4 8192   1
102  5 512    0
103  6 4096   1
104} {
105  do_execsql_test 4.1.$tn.1 "
106    PRAGMA page_size = $pgsz;
107    PRAGMA auto_vacuum = $av;
108  "
109  do_execsql_test 4.1.$tn.2 VACUUM
110  integrity_check 4.1.$tn.3
111}
112
113finish_test
114