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TS-4847: add test case

This commit is contained in:
Ping Xiao 2024-05-29 14:32:21 +08:00
parent d7ecd98cf9
commit 9e842929e8
1 changed files with 25 additions and 0 deletions
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25
tests/system-test/2-query/interp.py
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@ -15,6 +15,30 @@ class TDTestCase:
#tdSql.init(conn.cursor()) #tdSql.init(conn.cursor())
tdSql.init(conn.cursor(), logSql) # output sql.txt file tdSql.init(conn.cursor(), logSql) # output sql.txt file
def interp_on_empty_table(self):
dbname = "db"
tbname = "t"
tdSql.prepare()
tdLog.printNoPrefix("==========step1:create table")
tdSql.execute(f'''create table if not exists {dbname}.{tbname} (ts timestamp, k int)''')
tdLog.printNoPrefix("==========step2:interp query on empty table")
tdSql.query(f"select _irowts, interp(k),k from {dbname}.{tbname} partition by k range(now()-1h, now()) every(1m) fill(prev)")
tdSql.checkRows(0)
tdSql.query(f"select _irowts, interp(k),k from {dbname}.{tbname} partition by k range(now()-1h, now()) every(1m) fill(next)")
tdSql.checkRows(0)
tdSql.query(f"select _irowts, interp(k),k from {dbname}.{tbname} partition by k range(now()-1h, now()) every(1m) fill(linear)")
tdSql.checkRows(0)
tdSql.query(f"select _irowts, interp(k),k from {dbname}.{tbname} partition by k range(now()-1h, now()) every(1m) fill(value, 2)")
tdSql.checkRows(0)
def run(self): def run(self):
dbname = "db" dbname = "db"
tbname = "tb" tbname = "tb"
@ -5658,6 +5682,7 @@ class TDTestCase:
tdSql.checkData(0, 0, '2023-08-06 23:59:00') tdSql.checkData(0, 0, '2023-08-06 23:59:00')
tdSql.checkData(0, 1, None) tdSql.checkData(0, 1, None)
self.interp_on_empty_table()
def stop(self): def stop(self):