AryaWu/sqlite

1# 2014-10-112#3# The author disclaims copyright to this source code.  In place of4# 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# Test that ticket [ba7cbfaedc] has been fixed.13#14 15set testdir [file dirname $argv0]16source $testdir/tester.tcl17set testprefix tkt-ba7cbfaedc18 19do_execsql_test 1 {20  CREATE TABLE t1 (x, y);21  INSERT INTO t1 VALUES (3, 'a');22  INSERT INTO t1 VALUES (1, 'a'); 23  INSERT INTO t1 VALUES (2, 'b');24  INSERT INTO t1 VALUES (2, 'a');25  INSERT INTO t1 VALUES (3, 'b');26  INSERT INTO t1 VALUES (1, 'b'); 27}28 29do_execsql_test 1.1 {30  CREATE INDEX i1 ON t1(x, y);31}32 33foreach {n idx} {34  1 { CREATE INDEX i1 ON t1(x, y) }35  2 { CREATE INDEX i1 ON t1(x DESC, y) }36  3 { CREATE INDEX i1 ON t1(x, y DESC) }37  4 { CREATE INDEX i1 ON t1(x DESC, y DESC) }38} {39  catchsql { DROP INDEX i1 }40  execsql $idx41  foreach {tn q res} {42    1 "GROUP BY x, y ORDER BY x, y"            {1 a 1 b   2 a 2 b   3 a 3 b}43    2 "GROUP BY x, y ORDER BY x DESC, y"       {3 a 3 b   2 a 2 b   1 a 1 b}44    3 "GROUP BY x, y ORDER BY x, y DESC"       {1 b 1 a   2 b 2 a   3 b 3 a}45    4 "GROUP BY x, y ORDER BY x DESC, y DESC"  {3 b 3 a   2 b 2 a   1 b 1 a}46  } {47    do_execsql_test 1.$n.$tn "SELECT * FROM t1 $q" $res48  }49}50 51do_execsql_test 2.0 {52  drop table if exists t1;53  create table t1(id int);54  insert into t1(id) values(1),(2),(3),(4),(5);55  create index t1_idx_id on t1(id asc);56  select * from t1 group by id order by id;57  select * from t1 group by id order by id asc;58  select * from t1 group by id order by id desc;59} {60  1 2 3 4 5   1 2 3 4 5   5 4 3 2 161}62 63finish_test64