xref: /sqlite-3.40.0/test/unordered.test (revision 8210233c) 
1# 2011 April 9
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.
12#
13
14set testdir [file dirname $argv0]
15source $testdir/tester.tcl
16
17set testprefix unordered
18
19do_execsql_test 1.0 {
20  CREATE TABLE t1(a, b);
21  CREATE INDEX i1 ON t1(a);
22  INSERT INTO t1 VALUES(1, 'xxx');
23  INSERT INTO t1 SELECT a+1, b FROM t1;
24  INSERT INTO t1 SELECT a+2, b FROM t1;
25  INSERT INTO t1 SELECT a+4, b FROM t1;
26  INSERT INTO t1 SELECT a+8, b FROM t1;
27  INSERT INTO t1 SELECT a+16, b FROM t1;
28  INSERT INTO t1 SELECT a+32, b FROM t1;
29  INSERT INTO t1 SELECT a+64, b FROM t1;
30  ANALYZE;
31} {}
32
33foreach idxmode {ordered unordered} {
34  catchsql { DELETE FROM sqlite_stat2 }
35  catchsql { DELETE FROM sqlite_stat3 }
36  if {$idxmode == "unordered"} {
37    execsql { UPDATE sqlite_stat1 SET stat = stat || ' unordered' }
38  }
39  db close
40  sqlite3 db test.db
41  foreach {tn sql r(ordered) r(unordered)} {
42    1   "SELECT * FROM t1 ORDER BY a"
43        {SCAN t1 USING INDEX i1}
44        {SCAN t1*USE TEMP B-TREE FOR ORDER BY}
45    2   "SELECT * FROM t1 WHERE a > 100"
46        {SEARCH t1 USING INDEX i1 (a>?)}
47        {SCAN t1}
48    3   "SELECT * FROM t1 WHERE a = ? ORDER BY rowid"
49        {SEARCH t1 USING INDEX i1 (a=?)}
50        {SEARCH t1 USING INDEX i1 (a=?)*USE TEMP B-TREE FOR ORDER BY}
51    4   "SELECT max(a) FROM t1"
52        {SEARCH t1 USING COVERING INDEX i1}
53        {SEARCH t1}
54    5   "SELECT group_concat(b) FROM t1 GROUP BY a"
55        {SCAN t1 USING INDEX i1}
56        {SCAN t1*USE TEMP B-TREE FOR GROUP BY}
57
58    6   "SELECT * FROM t1 WHERE a = ?"
59        {SEARCH t1 USING INDEX i1 (a=?)}
60        {SEARCH t1 USING INDEX i1 (a=?)}
61    7   "SELECT count(*) FROM t1"
62        {SCAN t1 USING COVERING INDEX i1}
63        {SCAN t1}
64  } {
65    do_eqp_test 1.$idxmode.$tn $sql $r($idxmode)
66  }
67}
68
69finish_test
70