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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 $testdir/tester.tcl
16
17set testprefix unordered
18
19do_execsql_test 1.0 {
20  CREATE TABLE t1(a, b);
21  CREATE INDEX i1 ON t1(a);
22  INSERT INTO t1 VALUES(1, 'xxx');
23  INSERT INTO t1 SELECT a+1, b FROM t1;
24  INSERT INTO t1 SELECT a+2, b FROM t1;
25  INSERT INTO t1 SELECT a+4, b FROM t1;
26  INSERT INTO t1 SELECT a+8, b FROM t1;
27  INSERT INTO t1 SELECT a+16, b FROM t1;
28  INSERT INTO t1 SELECT a+32, b FROM t1;
29  INSERT INTO t1 SELECT a+64, b FROM t1;
30  ANALYZE;
31} {}
32
33foreach idxmode {ordered unordered} {
34  if {$idxmode == "unordered"} {
35    execsql { UPDATE sqlite_stat1 SET stat = stat || ' unordered' }
36    db close
37    sqlite3 db test.db
38  }
39  foreach {tn sql r(ordered) r(unordered)} {
40    1   "SELECT * FROM t1 ORDER BY a"
41        {0 0 0 {SCAN TABLE t1 USING INDEX i1 (~128 rows)}}
42        {0 0 0 {SCAN TABLE t1 (~128 rows)} 0 0 0 {USE TEMP B-TREE FOR ORDER BY}}
43    2   "SELECT * FROM t1 WHERE a >?"
44        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a>?) (~32 rows)}}
45        {0 0 0 {SCAN TABLE t1 (~42 rows)}}
46    3   "SELECT * FROM t1 WHERE a = ? ORDER BY rowid"
47        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}}
48        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}
49         0 0 0 {USE TEMP B-TREE FOR ORDER BY}}
50    4   "SELECT max(a) FROM t1"
51        {0 0 0 {SEARCH TABLE t1 USING COVERING INDEX i1 (~1 rows)}}
52        {0 0 0 {SEARCH TABLE t1 (~1 rows)}}
53    5   "SELECT group_concat(b) FROM t1 GROUP BY a"
54        {0 0 0 {SCAN TABLE t1 USING INDEX i1 (~128 rows)}}
55        {0 0 0 {SCAN TABLE t1 (~128 rows)} 0 0 0 {USE TEMP B-TREE FOR GROUP BY}}
56
57    6   "SELECT * FROM t1 WHERE a = ?"
58        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}}
59        {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (a=?) (~1 rows)}}
60  } {
61    do_eqp_test 1.$idxmode.$tn $sql $r($idxmode)
62  }
63}
64
65finish_test
66