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https://issues.apache.org/jira/browse/HIVE-21954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-21954 started by László Bodor.
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> QTest: support for running qtests on various metastore DBs
> ----------------------------------------------------------
>
> Key: HIVE-21954
> URL: https://issues.apache.org/jira/browse/HIVE-21954
> Project: Hive
> Issue Type: Bug
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
>
> In HIVE-21940, a postgres metastore related issue has been fixed, and a local
> reproduction has been provided.
> {code}
> export QTEST_LEAVE_FILES=true
> docker kill metastore-test-postgres-install
> docker rm metastore-test-postgres-install
> cd standalone-metastore
> mvn verify -DskipITests=false -Dit.test=ITestPostgres#install -Dtest=nosuch
> -Dmetastore.itest.no.stop.container=true
> cd ..
> mvn test -Dtest.output.overwrite=true -Pitests,hadoop-2 -pl itests/qtest
> -Dtest=TestCliDriver -Dqfile=partition_params_postgres.q
> -Dhive.metastore.rawstore.impl=org.apache.hadoop.hive.metastore.ObjectStore
> {code}
> The problem with this solution is that data/conf/hive-site.xml has to be
> edited manually. My proposal is to introduce a property
> (-Dmetastore.db=postgres), which can take care of the parameters on the fly.
> 2 supported solutions could be:
> 1. simple parameters: -Dmetastore.db=postgres
> In this case, tests depend on settings from ITestPostgres class (password,
> db, etc.)
> 2. verbose but flexible parameters: [see hive-site.xml HIVE-21940's repro
> patch|https://issues.apache.org/jira/secure/attachment/12973534/HIVE-21940.repro.patch]
>
> In the first implementation, I would not start metastore db automatically
> (which is done be 'mvn verify ...'), but it's still under planning.
> In the long term, we should consider running this kind of tests in precommit
> phase, so maybe -Dmetastore.db=postgres could start metastore db
> automatically. Also we should consider running some qtests on various
> metastores. I would not pick randomly, but choose some "metastore-heavy" ones
> instead.
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