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Merge pull request #15116 from taosdata/test/bug_last_first 

test:add test case for bug fix about last_row
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wenzhouwww 2022-07-21 09:28:47 +08:00 committed by GitHub
parent dec0f7b359 e300ba82c4
commit 68aa7505bd
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1 changed files with 46 additions and 0 deletions
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46
tests/system-test/2-query/last_row.py
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@ -291,6 +291,52 @@ class TDTestCase:
tdSql.query("select last_row(c1) from testdb.stb1")
tdSql.checkData(0, 0, None)
# support regular query about last ,first ,last_row
tdSql.error("select last_row(c1,NULL) from testdb.t1")
tdSql.error("select last_row(NULL) from testdb.t1")
tdSql.error("select last(NULL) from testdb.t1")
tdSql.error("select first(NULL) from testdb.t1")
tdSql.query("select last_row(c1,123) from testdb.t1")
tdSql.checkData(0,0,None)
tdSql.checkData(0,1,123)
tdSql.query("select last_row(123) from testdb.t1")
tdSql.checkData(0,0,123)
tdSql.error("select last(c1,NULL) from testdb.t1")
tdSql.query("select last(c1,123) from testdb.t1")
tdSql.checkData(0,0,9)
tdSql.checkData(0,1,123)
tdSql.error("select first(c1,NULL) from testdb.t1")
tdSql.query("select first(c1,123) from testdb.t1")
tdSql.checkData(0,0,1)
tdSql.checkData(0,1,123)
tdSql.error("select last_row(c1,c2,c3,NULL,c4) from testdb.t1")
tdSql.query("select last_row(c1,c2,c3,123,c4) from testdb.t1")
tdSql.checkData(0,0,None)
tdSql.checkData(0,1,None)
tdSql.checkData(0,2,None)
tdSql.checkData(0,3,123)
tdSql.checkData(0,4,None)
tdSql.error("select last_row(c1,c2,c3,NULL,c4,t1,t2) from testdb.ct1")
tdSql.query("select last_row(c1,c2,c3,123,c4,t1,t2) from testdb.ct1")
tdSql.checkData(0,0,9)
tdSql.checkData(0,1,-99999)
tdSql.checkData(0,2,-999)
tdSql.checkData(0,3,123)
tdSql.checkData(0,4,None)
tdSql.checkData(0,5,0)
tdSql.checkData(0,5,0)
# # bug need fix
tdSql.query("select last_row(c1), c2, c3 , c4, c5 from testdb.t1")
tdSql.checkData(0, 0, None)