jackylau created FLINK-31751:
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Summary: array return type SpecificTypeStrategies.ARRAY and
ifThenElse return type is not correct
Key: FLINK-31751
URL: https://issues.apache.org/jira/browse/FLINK-31751
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Affects Versions: 1.18.0
Reporter: jackylau
Fix For: 1.18.0
like array return type
Type strategy that returns a \{@link DataTypes#ARRAY(DataType)} with element
type equal to the type of the first argument, which is not equals calcite
semantic.
for example
{code:java}
ARRAY<BIGINT NOT NULL> and ARRAY<BIGINT> NOT NULL
it should return ARRAY<BIGINT> instead of ARRAY<BIGINT NOT NULL>{code}
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