xref: /sqlite-3.40.0/test/insert2.test (revision b19a2bc6) 
1# 2001 September 15
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 INSERT statement that takes is
13# result from a SELECT.
14#
15# $Id: insert2.test,v 1.4 2001/09/16 00:13:28 drh Exp $
16
17set testdir [file dirname $argv0]
18source $testdir/tester.tcl
19
20# Create some tables with data that we can select against
21#
22do_test insert2-1.0 {
23  execsql {CREATE TABLE d1(n int, log int);}
24  for {set i 1} {$i<=20} {incr i} {
25    for {set j 0} {pow(2,$j)<$i} {incr j} {}
26    execsql "INSERT INTO d1 VALUES($i,$j)"
27  }
28  execsql {SELECT * FROM d1 ORDER BY n}
29} {1 0 2 1 3 2 4 2 5 3 6 3 7 3 8 3 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 5 18 5 19 5 20 5}
30
31# Insert into a new table from the old one.
32#
33do_test insert2-1.1 {
34  execsql {
35    CREATE TABLE t1(log int, cnt int);
36---vdbe-trace-on--
37    INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
38  }
39  execsql {SELECT * FROM t1 ORDER BY log}
40} {0 1 1 1 2 2 3 4 4 8 5 4}
41
42do_test insert2-1.2 {
43  catch {execsql {DROP TABLE t1}}
44  execsql {
45    CREATE TABLE t1(log int, cnt int);
46    INSERT INTO t1
47       SELECT log, count(*) FROM d1 GROUP BY log
48       EXCEPT SELECT n-1,log FROM d1;
49    SELECT * FROM t1 ORDER BY log;
50  }
51} {0 1 3 4 4 8 5 4}
52do_test insert2-1.3 {
53  catch {execsql {DROP TABLE t1}}
54  execsql {
55    CREATE TABLE t1(log int, cnt int);
56    INSERT INTO t1
57       SELECT log, count(*) FROM d1 GROUP BY log
58       INTERSECT SELECT n-1,log FROM d1;
59    SELECT * FROM t1 ORDER BY log;
60  }
61} {1 1 2 2}
62do_test insert2-1.4 {
63  catch {execsql {DROP TABLE t1}}
64  set r [execsql {
65    CREATE TABLE t1(log int, cnt int);
66    CREATE INDEX i1 ON t1(log);
67    CREATE INDEX i2 ON t1(cnt);
68    INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;
69    SELECT * FROM t1 ORDER BY log;
70  }]
71  lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]
72  lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]
73} {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}
74
75finish_test
76