Rong Rong created FLINK-8038:
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Summary: Support MAP literal
Key: FLINK-8038
URL: https://issues.apache.org/jira/browse/FLINK-8038
Project: Flink
Issue Type: New Feature
Components: Table API & SQL
Reporter: Rong Rong
Assignee: Rong Rong
Similar to https://issues.apache.org/jira/browse/FLINK-4554
We want to support Map literals which is supported by Calcite:
https://calcite.apache.org/docs/reference.html#value-constructors
{code:sql}
SELECT
MAP['key1', f0, 'key2', f1] AS stringKeyedMap,
MAP['key', 'value'] AS literalMap,
MAP[f0, f1] AS fieldMap
FROM
table
{code}
This should enable users to construct MapTypeInfo, one of the CompositeType.
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