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https://issues.apache.org/jira/browse/SPARK-13277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-13277:
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Assignee: Apache Spark
> ANTLR ignores other rule using the USING keyword
> ------------------------------------------------
>
> Key: SPARK-13277
> URL: https://issues.apache.org/jira/browse/SPARK-13277
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Herman van Hovell
> Assignee: Apache Spark
> Priority: Minor
>
> ANTLR currently emits the following warning during compilation:
> {noformat}
> warning(200): org/apache/spark/sql/catalyst/parser/SparkSqlParser.g:938:7:
> Decision can match input such as "KW_USING Identifier" using multiple
> alternatives: 2, 3
> As a result, alternative(s) 3 were disabled for that input
> {noformat}
> This means that some of the functionality of the parser is disabled. This is
> introduced by the migration of the DDLParsers
> (https://github.com/apache/spark/pull/10723). We should be able to fix this
> by introducing a syntactic predicate for USING.
> cc [~viirya]
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