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https://issues.apache.org/jira/browse/HIVE-5264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin reassigned HIVE-5264:
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Assignee: Sergey Shelukhin
> SQL generated by MetaStoreDirectSql.java not compliant with Postgres.
> ---------------------------------------------------------------------
>
> Key: HIVE-5264
> URL: https://issues.apache.org/jira/browse/HIVE-5264
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Affects Versions: 0.11.0
> Environment: Ubuntu 12.04
> PostgreSQL 9.1.8
> Reporter: Alexander Behm
> Assignee: Sergey Shelukhin
>
> Some operations against the Hive Metastore seem broken
> against Postgres.
> For example, when using HiveMetastoreClient.listPartitions()
> the Postgres logs show queries such as:
> 2013-09-09 19:10:01 PDT STATEMENT: select PARTITIONS.PART_ID from
> PARTITIONS inner join TBLS on PARTITIONS.TBL_ID = TBLS.TBL_ID inner
> join DBS on TBLS.DB_ID = DBS.DB_ID where TBLS.TBL_NAME = $1 and
> DBS.NAME = $2 order by PART_NAME asc
> with a somewhat cryptic (but correct) error:
> ERROR: relation "partitions" does not exist at character 32
> Postgres identifiers are somewhat unusual. Unquoted identifiers are
> interpreted as lower case (there is no Postgres option to change this). Since
> the Metastore table schema uses upper case table names, the correct SQL
> requires escaped identifiers to those tables, i.e.,
> select "PARTITIONS"."PART_ID" from "PARTITIONS"...
> Hive sets metastore.try.direct.sql=true by default, so the above SQL is
> generated by hive/metastore/MetaStoreDirectSql.java, i.e., this is not a
> Datanucleus problem.
> When I set metastore.try.direct.sql=false, then the Metastore backed by
> Postgres works.
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