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Diffstat (limited to '')
| -rw-r--r-- | test/window1.test | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/window1.test b/test/window1.test index d8348a8..457852c 100644 --- a/test/window1.test +++ b/test/window1.test @@ -2375,5 +2375,23 @@ do_execsql_test 77.2 { SELECT max(~likely(x)) FILTER (WHERE true) FROM t1 INDEXED BY t1x GROUP BY x; } {-2 -3 -5 -9} +# 2024-05-23 https://sqlite.org/forum/forumpost/bf8f43aa522c2299 +# +# A bug in group_concat() when used as a window function, reported +# just hours after the 3.46.0 release, though first appearing +# in 3.28.0. +# +# When used as a window function, a group_concat() was not +# correctly distinguishing between NULL and empty-string for +# its return value. +# +do_execsql_test 78.1 { + SELECT quote(group_concat(x) OVER ()) FROM (SELECT '' AS x); +} '' +do_execsql_test 78.2 { + SELECT quote(group_concat(x) OVER ( + ORDER BY y RANGE BETWEEN 1 FOLLOWING AND 2 FOLLOWING + )) FROM (SELECT 'abc' AS x, 1 AS y); +} NULL finish_test |