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from tests.dialects.test_dialect import Validator
class TestTableau(Validator):
dialect = "tableau"
def test_tableau(self):
self.validate_all(
"IF x = 'a' THEN y ELSE NULL END",
read={
"presto": "IF(x = 'a', y, NULL)",
},
write={
"presto": "IF(x = 'a', y, NULL)",
"hive": "IF(x = 'a', y, NULL)",
"tableau": "IF x = 'a' THEN y ELSE NULL END",
},
)
self.validate_all(
"IFNULL(a, 0)",
read={
"presto": "COALESCE(a, 0)",
},
write={
"presto": "COALESCE(a, 0)",
"hive": "COALESCE(a, 0)",
"tableau": "IFNULL(a, 0)",
},
)
self.validate_all(
"COUNTD(a)",
read={
"presto": "COUNT(DISTINCT a)",
},
write={
"presto": "COUNT(DISTINCT a)",
"hive": "COUNT(DISTINCT a)",
"tableau": "COUNTD(a)",
},
)
self.validate_all(
"COUNTD((a))",
read={
"presto": "COUNT(DISTINCT(a))",
},
write={
"presto": "COUNT(DISTINCT (a))",
"hive": "COUNT(DISTINCT (a))",
"tableau": "COUNTD((a))",
},
)
self.validate_all(
"COUNT(a)",
read={
"presto": "COUNT(a)",
},
write={
"presto": "COUNT(a)",
"hive": "COUNT(a)",
"tableau": "COUNT(a)",
},
)
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