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add case for sample for selective

This commit is contained in:
wenzhouwww@live.cn 2022-06-21 19:41:56 +08:00
parent a94f90a343
commit 56a1f327ce
1 changed files with 9 additions and 4 deletions
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13
tests/system-test/2-query/sample.py
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@ -624,8 +624,7 @@ class TDTestCase:
tdLog.info(" sample data is in datas groups ,successed sql is : %s" % sample_query )
else:
tdLog.exit(" sample data is not in datas groups ,failed sql is : %s" % sample_query )
def basic_sample_query(self):
tdSql.execute(" drop database if exists db ")
tdSql.execute(" create database if not exists db duration 300 ")
@ -760,6 +759,12 @@ class TDTestCase:
self.check_sample("select sample( c1 ,3 ) from t1 where c1 between 1 and 10" ,"select c1 from t1 where c1 between 1 and 10")
tdSql.query("select sample(c1,2) ,c2,c3 ,c5 from stb1")
tdSql.checkRows(2)
tdSql.checkCols(4)
self.check_sample("select sample( c1 ,3 ),c2,c3,c4,c5 from t1 where c1 between 1 and 10" ,"select c1,c2,c3,c4,c5 from t1 where c1 between 1 and 10")
# join
tdSql.query("select sample( ct4.c1 , 1 ) from ct1, ct4 where ct4.ts=ct1.ts")
@ -772,8 +777,8 @@ class TDTestCase:
self.check_sample("select sample(c1,2) from stb1 partition by tbname" , "select c1 from stb1 partition by tbname")
# nest query
# tdSql.query("select sample(c1,2) from (select c1 from t1); ")
# tdSql.checkRows(2)
tdSql.query("select sample(c1,2) from (select c1 from t1); ")
tdSql.checkRows(2)
# union all
tdSql.query("select sample(c1,2) from t1 union all select sample(c1,3) from t1")