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Posted to issues@spark.apache.org by "Sameer Agarwal (JIRA)" <ji...@apache.org> on 2018/01/05 23:00:03 UTC
[jira] [Commented] (SPARK-19241) remove hive generated table
properties if they are not useful in Spark
[ https://issues.apache.org/jira/browse/SPARK-19241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16314081#comment-16314081 ]
Sameer Agarwal commented on SPARK-19241:
----------------------------------------
re-targeting this for 2.4.0
> remove hive generated table properties if they are not useful in Spark
> ----------------------------------------------------------------------
>
> Key: SPARK-19241
> URL: https://issues.apache.org/jira/browse/SPARK-19241
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Wenchen Fan
>
> When we save a table into hive metastore, hive will generate some table properties automatically. e.g. transient_lastDdlTime, last_modified_by, rawDataSize, etc. Some of them are useless in Spark SQL, we should remove them.
> It will be good if we can get the list of Hive-generated table properties via Hive API, so that we don't need to hardcode them.
> We can take a look at Hive code to see how it excludes these auto-generated table properties when describe table.
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