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Posted to issues@flink.apache.org by "jackylau (Jira)" <ji...@apache.org> on 2023/04/24 07:44:00 UTC
[jira] [Created] (FLINK-31908) cast expr to type with not null should not change nullable of expr
jackylau created FLINK-31908:
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Summary: cast expr to type with not null should not change nullable of expr
Key: FLINK-31908
URL: https://issues.apache.org/jira/browse/FLINK-31908
Project: Flink
Issue Type: Improvement
Affects Versions: 1.18.0
Reporter: jackylau
{code:java}
Stream<TestSetSpec> getTestSetSpecs() {
return Stream.of(
TestSetSpec.forFunction(BuiltInFunctionDefinitions.CAST)
.onFieldsWithData(new Integer[]{1, 2}, 3)
.andDataTypes(DataTypes.ARRAY(INT()), INT())
.testSqlResult(
"CAST(f0 AS ARRAY<DOUBLE NOT NULL>)",
new Double[]{1.0d, 2.0d},
DataTypes.ARRAY(DOUBLE().notNull())));
} {code}
but the result type should DataTypes.ARRAY(DOUBLE())), the root cause is calcite bug
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