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https://issues.apache.org/jira/browse/FLINK-17909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leonard Xu updated FLINK-17909:
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Fix Version/s: (was: 1.12.0)
1.13.0
> Add a TestCatalog to hold the serialized meta data to uncover more potential
> bugs
> ---------------------------------------------------------------------------------
>
> Key: FLINK-17909
> URL: https://issues.apache.org/jira/browse/FLINK-17909
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API, Table SQL / Planner
> Reporter: Jark Wu
> Priority: Major
> Fix For: 1.13.0
>
>
> Currently, the builtin {{GenericInMemoryCatalog}} hold the meta objects in
> HashMap. However, this lead to many bugs when users switch to some persisted
> catalogs, e.g. Hive Metastore. For example, FLINK-17189, FLINK-17868,
> FLINK-16021.
> That is because the builtin {{GenericInMemoryCatalog}} doesn't cover the
> important path of serialization and deserialization of meta data. We missed
> some important meta information (PK, time attributes) when serialization and
> deserialization which lead to bugs.
> So I propose to add a {{TestCatalog}} to hold the serialized meta data to
> cover the serialization and deserializtion path. The serialized meta data may
> be in the {{Map<String, String>}} properties format.
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