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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/11/26 14:54:10 UTC
[jira] [Updated] (SPARK-12013) Add a Hive context method to
retrieve the database Names
[ https://issues.apache.org/jira/browse/SPARK-12013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen updated SPARK-12013:
------------------------------
Target Version/s: (was: 1.6.0)
Priority: Minor (was: Major)
Fix Version/s: (was: 1.6.0)
[~jamartinh] don't set target/fix version. Is this really that slow? it doesn't seem like a common operation and so don't know if it is worth adding another operation to do the same thing.
> Add a Hive context method to retrieve the database Names
> --------------------------------------------------------
>
> Key: SPARK-12013
> URL: https://issues.apache.org/jira/browse/SPARK-12013
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.5.2
> Reporter: Jose Antonio
> Priority: Minor
> Labels: features, sql
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> As the HiveContext method tableNames() add a new method to retrieve the database names.
> Currently one hace to make a show databases and get a dataframe.colllect()
> This is very slow since it can be queried quickly just by asking the Hive metastore.
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