Jihong MA created SPARK-18799:
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Summary: 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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