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test: add test cases for timeline function used for select * union query

This commit is contained in:
Ganlin Zhao 2023-08-22 15:41:04 +08:00
parent c8456b650c
commit dba7c68de1
1 changed files with 25 additions and 0 deletions
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25
tests/system-test/2-query/union.py
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@ -231,6 +231,31 @@ class TDTestCase:
tdSql.execute(f"{sqls[j+i]} union {sqls[i]}")
else:
tdSql.error(f"{sqls[i]} union {sqls[j+i]}")
# check union with timeline function
tdSql.query(f"select first(c1) from (select * from t1 union select * from t1 order by ts)")
tdSql.checkRows(1)
tdSql.checkData(0, 0, 9)
tdSql.query(f"select last(c1) from (select * from t1 union select * from t1 order by ts desc)")
tdSql.checkRows(1)
tdSql.checkData(0, 0, 2147450880)
tdSql.query(f"select irate(c1) from (select * from t1 union select * from t1 order by ts)")
tdSql.checkRows(1)
tdSql.checkData(0, 0, 9.102222222222222)
tdSql.query(f"select elapsed(ts) from (select * from t1 union select * from t1 order by ts)")
tdSql.checkRows(1)
tdSql.checkData(0, 0, 46800000.000000000000000)
tdSql.query(f"select diff(c1) from (select * from t1 union select * from t1 order by ts)")
tdSql.checkRows(14)
tdSql.query(f"select derivative(c1, 1s, 0) from (select * from t1 union select * from t1 order by ts)")
tdSql.checkRows(11)
tdSql.error(f"select first(c1) from (select * from t1 union select * from t1)")
tdSql.error(f"select last(c1) from (select * from t1 union select * from t1)")
tdSql.error(f"select irate(c1) from (select * from t1 union select * from t1)")
tdSql.error(f"select elapsed(ts) from (select * from t1 union select * from t1)")
tdSql.error(f"select diff(c1) from (select * from t1 union select * from t1)")
tdSql.error(f"select derivative(c1, 1s, 0) from (select * from t1 union select * from t1)")
def __test_error(self, dbname="db"):