jackylau created CALCITE-5672:
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Summary: cast type with nullable result it not true
Key: CALCITE-5672
URL: https://issues.apache.org/jira/browse/CALCITE-5672
Project: Calcite
Issue Type: Improvement
Affects Versions: 1.34.0
Reporter: jackylau
{code:java}
// code placeholder
sql("select cast(array[1,null,2] as int array) from (values (1))")
.columnType("INTEGER NOT NULL ARRAY NOT NULL"); {code}
it should be INTEGER ARRAY NOT NULL, the nullable constraint is table level,
the expr's nullable property should not change
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