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https://issues.apache.org/jira/browse/CALCITE-4454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17260916#comment-17260916
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Julian Hyde commented on CALCITE-4454:
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[~sambekar], Thanks for the PR. I just noticed there is an existing bug,
CALCITE-3574, so let's move discussion over there. I'm going to mark this case
a duplicate.
> Calcite SQLParser: Provide support for RLIKE expressions
> --------------------------------------------------------
>
> Key: CALCITE-4454
> URL: https://issues.apache.org/jira/browse/CALCITE-4454
> Project: Calcite
> Issue Type: Sub-task
> Components: spark
> Reporter: shradha
> Priority: Major
>
> Enhance Calcite SQLParser to support SPARK SQL queries expressions - RLIKE
> Current Behavior : Parsing queries having rlike expression throws exception
> {color:#000080}val {color}query1 = {color:#008000}"select cola from tableA
> where MAX(realm_email) rlike
> '.+@.+{color}{color:#000080}\\\\{color}{color:#008000}..+'"{color}
> {color:#008000}StatementMetadataFragment(com.intuit.superglue.pipeline.parsers.CalciteStatementParser,UNKNOWN,List(),List(),List(org.apache.calcite.sql.parser.SqlParseException:
> Encountered "rlike" at line 1, column 48.{color}
> {color:#008000}All these queries are correctly being parsed via SPARK SQL .
> But calcite's parser grammer file doesn't suport these tokens{color}
> Since this is SPARK SQL specific , these changes will be implemented in BABEL
> Parser
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