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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
commit | 63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch) | |
tree | 01c7571c7c762ceee70638549a99834fdd7c411b /test/tkt2942.test | |
parent | Initial commit. (diff) | |
download | sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip |
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/tkt2942.test')
-rw-r--r-- | test/tkt2942.test | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/tkt2942.test b/test/tkt2942.test new file mode 100644 index 0000000..a7b861c --- /dev/null +++ b/test/tkt2942.test @@ -0,0 +1,62 @@ +# 2008 February 15 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# +# Ticket #2942. +# +# Queries of the form: +# +# SELECT group_concat(x) FROM (SELECT * FROM table ORDER BY 1); +# +# The ORDER BY would be dropped by the query flattener. This used +# to not matter because aggregate functions sum(), min(), max(), avg(), +# and so forth give the same result regardless of the order of inputs. +# But with the addition of the group_concat() function, suddenly the +# order does matter. +# +# $Id: tkt2942.test,v 1.1 2008/02/15 14:33:04 drh Exp $ +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +ifcapable !subquery { + finish_test + return +} + +do_test tkt2942.1 { + execsql { + create table t1(num int); + insert into t1 values (2); + insert into t1 values (1); + insert into t1 values (3); + insert into t1 values (4); + SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY num DESC); + } +} {4,3,2,1} +do_test tkt2942.2 { + execsql { + SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY num); + } +} {1,2,3,4} +do_test tkt2942.3 { + execsql { + SELECT group_concat(num) FROM (SELECT num FROM t1); + } +} {2,1,3,4} +do_test tkt2942.4 { + execsql { + SELECT group_concat(num) FROM (SELECT num FROM t1 ORDER BY rowid DESC); + } +} {4,3,1,2} + + +finish_test |