xref: /sqlite-3.40.0/test/vacuum6.test (revision c59b7b1f) 
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
15set testdir [file dirname $argv0]
16source $testdir/tester.tcl
17set testprefix vacuum6
18
19# If the VACUUM statement is disabled in the current build, skip all
20# the tests in this file.
21#
22ifcapable !vacuum {
23  finish_test
24  return
25}
26
27
28do_execsql_test 1.0 {
29  CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
30  INSERT INTO t1 VALUES(1, 1);
31} {}
32
33do_execsql_test 1.1 {
34  VACUUM
35}
36
37reset_db
38do_execsql_test 1.2 {
39  CREATE TABLE t1(x,b);
40  CREATE INDEX x1 ON t1(x);
41  CREATE INDEX x2 ON t1(x);
42  CREATE INDEX x3 ON t1(x);
43  INSERT INTO t1 SELECT 2,'';
44  VACUUM;
45}
46
47#-------------------------------------------------------------------------
48#
49reset_db
50foreach {tn sz} {1 400 2 4000 3 9999} {
51  reset_db
52  do_execsql_test 2.$tn.1 {
53    CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
54    WITH s(i) AS (
55        SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100
56    )
57    INSERT INTO t1 SELECT i, randomblob($sz) FROM s;
58  }
59
60  do_execsql_test 2.$tn.2 {
61    vacuum;
62  }
63
64  do_execsql_test 2.$tn.3 {
65    PRAGMA integrity_check;
66  } {ok}
67}
68
69reset_db
70do_execsql_test 3.0 {
71  PRAGMA page_size = 1024;
72  CREATE TABLE t1(x INTEGER PRIMARY KEY, y);
73  INSERT INTO t1 VALUES(2, randomblob(1200));
74} {}
75do_execsql_test 3.1 {
76  PRAGMA page_size = 512;
77  VACUUM;
78}
79do_execsql_test 3.2 {
80  PRAGMA integrity_check
81} {ok}
82
83#-------------------------------------------------------------------------
84#
85reset_db
86do_execsql_test 4.0 {
87  CREATE TABLE tx(a, b);
88  CREATE INDEX i1 ON tx(b);
89  WITH s(i) AS (
90      SELECT 8000 UNION ALL SELECT i+1 FROM s WHERE i<10000
91  )
92  INSERT INTO tx SELECT i, randomblob(i) FROM s;
93
94  SELECT sum(length(b)) FROM tx;
95} {18009000}
96foreach {tn pgsz av} {
97  1 2048   0
98  2 1024   1
99  3 65536  0
100  4 8192   1
101  5 512    0
102  6 4096   1
103} {
104  do_execsql_test 4.1.$tn.1 "
105    PRAGMA page_size = $pgsz;
106    PRAGMA auto_vacuum = $av;
107  "
108  do_execsql_test 4.1.$tn.2 VACUUM
109  integrity_check 4.1.$tn.3
110}
111
112finish_test
113