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https://issues.apache.org/jira/browse/SPARK-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14162757#comment-14162757
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Apache Spark commented on SPARK-3654:
-------------------------------------
User 'liancheng' has created a pull request for this issue:
https://github.com/apache/spark/pull/2698
> Implement all extended HiveQL statements/commands with a separate parser
> combinator
> -----------------------------------------------------------------------------------
>
> Key: SPARK-3654
> URL: https://issues.apache.org/jira/browse/SPARK-3654
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.1.0
> Reporter: Cheng Lian
> Fix For: 1.2.0
>
>
> Statements and commands like {{SET}}, {{CACHE TABLE}} and {{ADD JAR}} etc.
> are currently parsed in a quite hacky way, like this:
> {code}
> if (sql.trim.toLowerCase.startsWith("cache table")) {
> sql.trim.toLowerCase.startsWith("cache table") match {
> ...
> }
> }
> {code}
> It would be much better to add an extra parser combinator that parses these
> syntax extensions first, and then fallback to the normal Hive parser.
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