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https://issues.apache.org/jira/browse/IMPALA-5035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16533401#comment-16533401
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Peikai Zheng commented on IMPALA-5035:
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There are two ways to not display INDEX_TABLE.
1. The catalog does not retrieve and store entries for INDEX_TABLES, as you
mentioned;
2. Just filter the INDEX_TABLES, when using `show tables`;
I prefer the former. But, there are some tickets that are blocking, such as
[IMPALA-5579|https://issues.apache.org/jira/browse/IMPALA-5579],
[code|https://github.com/apache/impala/blob/master/fe/src/test/java/org/apache/impala/service/FrontendTest.java#L209]
> Impala should not load INDEX_TABLEs from HMS
> --------------------------------------------
>
> Key: IMPALA-5035
> URL: https://issues.apache.org/jira/browse/IMPALA-5035
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog
> Affects Versions: Impala 2.8.0
> Reporter: Dimitris Tsirogiannis
> Assignee: Peikai Zheng
> Priority: Major
> Labels: catalog-server, ramp-up
>
> The catalog will retrieve and store entries for INDEX_TABLES that are created
> in Hive using the CREATE INDEX statement. However, INDEX_TABLES cannot be
> accessed/used in Impala, and accessing an INDEX_TABLE will always throw a
> TableLoading exception. The catalog should not be loading INDEX_TABLEs from
> HMS.
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