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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2015/05/20 21:27:05 UTC
[jira] [Updated] (SPARK-6775) Simplify CatalystConverter class
hierarchy and pass in Parquet schema
[ https://issues.apache.org/jira/browse/SPARK-6775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Armbrust updated SPARK-6775:
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Target Version/s: 1.5.0 (was: 1.4.0)
> Simplify CatalystConverter class hierarchy and pass in Parquet schema
> ---------------------------------------------------------------------
>
> Key: SPARK-6775
> URL: https://issues.apache.org/jira/browse/SPARK-6775
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 1.0.2, 1.1.1, 1.2.1, 1.3.0
> Reporter: Cheng Lian
> Assignee: Cheng Lian
>
> {{CataystConverter}} classes are used to convert Parquet records to Spark SQL row objects. Current converter implementations have the following problems:
> # They simply ignore original Parquet schema, which makes adding Parquet backwards-compatibility rules impossible.
> # They are unnecessary over complicated.
> # {{SpecificMutableRow}} is only used for structs whose fields are all of primitive types.
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