[jira] [Resolved] (HIVE-25879) MetaStoreDirectSql test query should not query the whole DBS table

["Zoltan Haindrich (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-25879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltan Haindrich resolved HIVE-25879.
-------------------------------------
    Fix Version/s: 4.0.0-alpha-2
         Assignee: Miklos Szurap
       Resolution: Fixed

merged into master; Thank you [~mszurap] for fixing this!

> MetaStoreDirectSql test query should not query the whole DBS table
> ------------------------------------------------------------------
>
>                 Key: HIVE-25879
>                 URL: https://issues.apache.org/jira/browse/HIVE-25879
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Miklos Szurap
>            Assignee: Miklos Szurap
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 4.0.0-alpha-2
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> The runTestQuery() in the org/apache/hadoop/hive/metastore/MetaStoreDirectSql.java is using a test query
> {code:java}
> select "DB_ID" from "DBS"{code}
> to determine whether the direct SQL can be used.
> With larger deployments with many (10k+) Hive databases it would be more efficienct to query a small table instead, for example the "VERSION" table should always have a single row only.



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