xref: /sqlite-3.40.0/test/dbdata.test (revision b40af49d) 
1# 2019-04-11
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# This file implements regression tests for SQLite library.  The
12# focus of this file is testing the sqlite_dbpage virtual table.
13#
14
15set testdir [file dirname $argv0]
16source $testdir/tester.tcl
17set testprefix dbdata
18
19ifcapable !vtab||!compound {
20  finish_test
21  return
22}
23db enable_load_extension 1
24if { [catch { db eval { SELECT load_extension('../dbdata') } }] } {
25  finish_test
26  return
27}
28
29do_execsql_test 1.0 {
30  CREATE TABLE T1(a, b);
31  INSERT INTO t1(rowid, a ,b) VALUES(5, 'v', 'five');
32  INSERT INTO t1(rowid, a, b) VALUES(10, 'x', 'ten');
33}
34
35do_execsql_test 1.1 {
36  SELECT pgno, cell, field, quote(value) FROM sqlite_dbdata WHERE pgno=2;
37} {
38  2 0 -1 5
39  2 0  0 'v'
40  2 0  1 'five'
41  2 1 -1 10
42  2 1  0 'x'
43  2 1  1 'ten'
44}
45
46breakpoint
47do_execsql_test 1.2 {
48  SELECT pgno, cell, field, quote(value) FROM sqlite_dbdata;
49} {
50  1 0 -1 1
51  1 0 0 'table'
52  1 0 1 'T1'
53  1 0 2 'T1'
54  1 0 3 2
55  1 0 4 {'CREATE TABLE T1(a, b)'}
56  2 0 -1 5
57  2 0  0 'v'
58  2 0  1 'five'
59  2 1 -1 10
60  2 1  0 'x'
61  2 1  1 'ten'
62}
63
64set big [string repeat big 2000]
65do_execsql_test 1.3 {
66  INSERT INTO t1 VALUES(NULL, $big);
67  SELECT value FROM sqlite_dbdata WHERE pgno=2 AND cell=2 AND field=1;
68} $big
69
70do_execsql_test 1.4 {
71  DELETE FROM t1;
72  INSERT INTO t1 VALUES(NULL, randomblob(5050));
73}
74do_test 1.5 {
75  execsql {
76    SELECT quote(value) FROM sqlite_dbdata WHERE pgno=2 AND cell=0 AND field=1;
77  }
78} [db one {SELECT quote(b) FROM t1}]
79
80#-------------------------------------------------------------------------
81reset_db
82db enable_load_extension 1
83db eval { SELECT load_extension('../dbdata') }
84
85do_execsql_test 2.0 {
86  CREATE TABLE t1(a);
87  CREATE INDEX i1 ON t1(a);
88  WITH s(i) AS (
89    SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<10
90  )
91  INSERT INTO t1 SELECT randomblob(900) FROM s;
92}
93
94do_execsql_test 2.1 {
95  SELECT * FROM sqlite_dbptr WHERE pgno=2;
96} {
97  2 25   2 6   2 7   2 9   2 11   2 13   2 15   2 17   2 19   2 21
98}
99
100do_execsql_test 2.2 {
101  SELECT * FROM sqlite_dbptr WHERE pgno=3;
102} {
103  3 24   3 23
104}
105
106do_execsql_test 2.3 {
107  SELECT * FROM sqlite_dbptr
108} {
109  2 25   2 6   2 7   2 9   2 11   2 13   2 15   2 17   2 19   2 21
110  3 24   3 23
111}
112
113
114finish_test
115