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https://issues.apache.org/jira/browse/FLINK-10768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bowen Li closed FLINK-10768.
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Resolution: Duplicate
> Move external catalog related code from TableEnvironment to CatalogManager
> --------------------------------------------------------------------------
>
> Key: FLINK-10768
> URL: https://issues.apache.org/jira/browse/FLINK-10768
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Bowen Li
> Assignee: Bowen Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.8.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Add a new CatalogManager class and port existing Calcite-directly-related
> code from TableEnvironment into CatalogManager.
> Background: there are two parallel efforts going on right now - FLINK-10686,
> driven by Timo, includes moving external catalogs APIs from flink-table to
> flink-table-common, also from Scala to Java; FLINK-10744 I'm working on right
> now to integrate Flink with Hive and enhance external catalog functionality.
> As discussed with @twalthr in FLINK-10689, we'd better parallelize these
> efforts while introducing minimal overhead for integrating them later. Our
> agreed way is to writing new code/feature related to external catalogs/hive
> in Java in flink-table first then move to other module like
> flink-table-common, this way we can minimize migration efforts. If existing
> classes are modified for a feature we can start migrating them to Java in a
> separate commit first and then perform the actual feature changes, and
> migrated classes can be placed in flink-table/src/main/java until we find a
> better module structure.
> Thus, this is NOT a feature, but purely refactor, thus no new functions
> should be introduced. It acts the pre-requisite for FLINK-10698
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