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add test case for join

This commit is contained in:
Ping Xiao 2023-09-14 16:29:48 +08:00
parent 073ab4cfd2
commit 70e70205aa
1 changed files with 3 additions and 0 deletions
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3
tests/system-test/2-query/union.py
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@ -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)")