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https://issues.apache.org/jira/browse/SPARK-18799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15736179#comment-15736179
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Herman van Hovell commented on SPARK-18799:
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It is way too late to put this in Spark 2.1. So yeah 2.2.
> Spark SQL expose interface for plug-gable parser extension
> -----------------------------------------------------------
>
> Key: SPARK-18799
> URL: https://issues.apache.org/jira/browse/SPARK-18799
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Jihong MA
>
> There used to be an interface to plug a parser extension through
> ParserDialect in HiveContext in all Spark 1.x version. Starting Spark 2.x
> release, Apache Spark moved to the new parser (Antlr4), there is no longer a
> way to extend the default SQL parser through SparkSession interface, however
> this is really a pain and hard to work around it when integrating other data
> source with Spark with extended support such as Insert, Update, Delete
> statement or any other data management statement.
> It would be very nice to continue to expose an interface for parser extension
> to make data source integration easier and smoother.
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