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Added test with LowCardinality(Nullable) to not-Nullable cast.

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This commit is contained in:
Nikolai Kochetov 2019-07-23 13:04:26 +03:00
parent 1e35f87760
commit eef0e08fbd
2 changed files with 10 additions and 0 deletions
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4
dbms/tests/queries/0_stateless/00974_low_cardinality_cast.reference Normal file
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@ -0,0 +1,4 @@
Hello
\N
Hello
Hello

6
dbms/tests/queries/0_stateless/00974_low_cardinality_cast.sql Normal file
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SELECT CAST('Hello' AS LowCardinality(Nullable(String)));
SELECT CAST(Null AS LowCardinality(Nullable(String)));
SELECT CAST(CAST('Hello' AS LowCardinality(Nullable(String))) AS String);
SELECT CAST(CAST(Null AS LowCardinality(Nullable(String))) AS String); -- { serverError 349 }
SELECT CAST(CAST('Hello' AS Nullable(String)) AS String);
SELECT CAST(CAST(Null AS Nullable(String)) AS String); -- { serverError 349 }