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https://issues.apache.org/jira/browse/CALCITE-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Risden updated CALCITE-2856:
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Fix Version/s: 1.19.0
> Emulating COMMA JOIN as CROSS JOIN for SparkSqlDialect
> ------------------------------------------------------
>
> Key: CALCITE-2856
> URL: https://issues.apache.org/jira/browse/CALCITE-2856
> Project: Calcite
> Issue Type: Improvement
> Components: core, jdbc-adapter
> Reporter: Stuti Gupta
> Assignee: Michael Mior
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.19.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> SparkSql doesn't support COMMA JOIN for the cartesian product.
> Hence, emulating COMMA JOIN as CROSS JOIN for SparkSqlDialect.
> ex-
> select * from table1, table2; (Not supported in Spark SQL)
> select * from table1 CROSS JOIN table2; (Valid Spark SQL syntax)
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