From 70e70205aa9276b7f45625323043ce7db7fe551a Mon Sep 17 00:00:00 2001 From: Ping Xiao Date: Thu, 14 Sep 2023 16:29:48 +0800 Subject: [PATCH] add test case for join --- tests/system-test/2-query/union.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/system-test/2-query/union.py b/tests/system-test/2-query/union.py index 9086d7754d..547ab07eb0 100644 --- a/tests/system-test/2-query/union.py +++ b/tests/system-test/2-query/union.py @@ -249,6 +249,9 @@ class TDTestCase: tdSql.checkRows(14) tdSql.query(f"select derivative(c1, 1s, 0) from (select * from {dbname}.t1 union select * from {dbname}.t1 order by ts)") tdSql.checkRows(11) + tdSql.query(f"select count(*) from {dbname}.t1 as a join {dbname}.t1 as b on a.ts = b.ts and a.ts is null") + tdSql.checkRows(1) + tdSql.checkData(0, 0, 0) tdSql.error(f"select first(c1) from (select * from {dbname}.t1 union select * from {dbname}.t1)") tdSql.error(f"select last(c1) from (select * from {dbname}.t1 union select * from {dbname}.t1)")