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https://issues.apache.org/jira/browse/FLINK-10769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bowen Li closed FLINK-10769.
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Resolution: Invalid
Release Note: no need to port existing InMemoryCatalog since we will
develop new in memory catalog with completely new APIs from scratch
> port InMemoryExternalCatalog to java
> ------------------------------------
>
> Key: FLINK-10769
> URL: https://issues.apache.org/jira/browse/FLINK-10769
> 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
>
> In the Flink-Hive integration design, we propose a new FlinkInMemoryCatalog
> (FLINK-10697) for production use. FlinkInMemoryCatalog will share some part
> with the existing InMemoryExternalCatalog, thus we need to make changes to
> InMemoryExternalCatalog.
> 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. An
> agreed way is to writing new code/feature related to external catalogs/hive
> in Java in flink-table. This way, it will minimize migration efforts later to
> move these new code into flink-table-common. If existing classes are modified
> for a feature we can start migrating it 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.
> Therefore, we will port InMemoryExternalCatalog to java first. This PR only
> port scala to java with NO feature or behavior change. This is a
> pre-requisite for FLINK-10697
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