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https://issues.apache.org/jira/browse/CALCITE-2542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695452#comment-16695452
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Rong Rong commented on CALCITE-2542:
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Created PR: https://github.com/apache/calcite/pull/933. I wasn't able to find
an easy way to look behind for {{*}} operator when parsing dot so i move the
logic to validation phase. Please kindly take a look.
> SqlNode AtomicRowExpression + DOT operation does not work for constructed ROWs
> ------------------------------------------------------------------------------
>
> Key: CALCITE-2542
> URL: https://issues.apache.org/jira/browse/CALCITE-2542
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Rong Rong
> Assignee: Julian Hyde
> Priority: Major
>
> It seems like some of the {{AtomicRowExpression}} (such as
> {{NamedFunctionCall}}) or rowSpan with {{<ROW>}} operator does not allow
> following DOT operators in Parser.jj
> To named a few, the following does not parse correctly.
> {code}
> SELECT ROW(col1, col2, col3).col1 FROM t
> SELECT myFunc(arg1, arg2).col1 FROM t
> {code}
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