os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/tkt2942.test
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/tkt2942.test	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,62 @@
     1.4 +# 2008 February 15
     1.5 +#
     1.6 +# The author disclaims copyright to this source code.  In place of
     1.7 +# a legal notice, here is a blessing:
     1.8 +#
     1.9 +#    May you do good and not evil.
    1.10 +#    May you find forgiveness for yourself and forgive others.
    1.11 +#    May you share freely, never taking more than you give.
    1.12 +#
    1.13 +#***********************************************************************
    1.14 +#
    1.15 +# Ticket #2942.  
    1.16 +#
    1.17 +# Queries of the form:
    1.18 +#
    1.19 +#     SELECT group_concat(x) FROM (SELECT * FROM table ORDER BY 1);
    1.20 +#
    1.21 +# The ORDER BY would be dropped by the query flattener.  This used
    1.22 +# to not matter because aggregate functions sum(), min(), max(), avg(),
    1.23 +# and so forth give the same result regardless of the order of inputs.
    1.24 +# But with the addition of the group_concat() function, suddenly the
    1.25 +# order does matter.
    1.26 +#
    1.27 +# $Id: tkt2942.test,v 1.1 2008/02/15 14:33:04 drh Exp $
    1.28 +#
    1.29 +
    1.30 +set testdir [file dirname $argv0]
    1.31 +source $testdir/tester.tcl
    1.32 +
    1.33 +ifcapable !subquery {
    1.34 +  finish_test
    1.35 +  return
    1.36 +}
    1.37 +
    1.38 +do_test tkt2942.1 {
    1.39 +  execsql {
    1.40 +    create table t1(num int);
    1.41 +    insert into t1 values (2);
    1.42 +    insert into t1 values (1);
    1.43 +    insert into t1 values (3);
    1.44 +    insert into t1 values (4);
    1.45 +    SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY num DESC);
    1.46 +  }
    1.47 +} {4,3,2,1}
    1.48 +do_test tkt2942.2 {
    1.49 +  execsql {
    1.50 +    SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY num);
    1.51 +  }
    1.52 +} {1,2,3,4}
    1.53 +do_test tkt2942.3 {
    1.54 +  execsql {
    1.55 +    SELECT group_concat(num) FROM (SELECT num FROM t1);
    1.56 +  }
    1.57 +} {2,1,3,4}
    1.58 +do_test tkt2942.4 {
    1.59 +  execsql {
    1.60 +    SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY rowid DESC);
    1.61 +  }
    1.62 +} {4,3,1,2}
    1.63 +
    1.64 +
    1.65 +finish_test