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Add Hive table property to for arbitrary properties #954

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dain opened this issue Jun 10, 2019 · 0 comments

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commented Jun 10, 2019

Currently only table properties explicitly listed HiveTableProperties are supported in Presto, but may Hive environments use extended properties for administration.

Add a property named extra_properties of type MAP(VARCHAR, VARCHAR).

On read (e.g. SHOW CREATE TABLE) will show only the properties not mapped to existing table properties, and properties created by presto such as presto_version and presto_query_id.

On write, these properties are merged with the other properties, and if there are duplicates and error is thrown.

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