[jira] [Resolved] (SPARK-18725) Creating a datasource table with schema should not scan all files for table

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-18725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-18725.
----------------------------------
    Resolution: Incomplete

> Creating a datasource table with schema should not scan all files for table
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-18725
>                 URL: https://issues.apache.org/jira/browse/SPARK-18725
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.1.0
>            Reporter: Eric Liang
>            Priority: Major
>              Labels: bulk-closed
>
> When creating an unpartitioned Datasource table, Spark will scan the table for all files to infer the schema, even if the user already provides a schema.
> This is fixed for partitioned tables by https://github.com/apache/spark/pull/16090 but this was left as a separate followup. Since unpartitioned tables are not typically large this can probably be left out of 2.1 release. 
> cc [~cloud_fan]



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