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https://issues.apache.org/jira/browse/CALCITE-610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350089#comment-14350089
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Julian Hyde commented on CALCITE-610:
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I was thinking of RelOptUtil.InputFinder.
> Track references to record fields in addition to columns
> --------------------------------------------------------
>
> Key: CALCITE-610
> URL: https://issues.apache.org/jira/browse/CALCITE-610
> Project: Calcite
> Issue Type: Sub-task
> Reporter: James Taylor
> Assignee: Julian Hyde
>
> Key value columns in Phoenix will be modeled as fields in a record. The
> RexUtil.FieldAccessFinder (I think this is the correct class) tracks column
> references in a statement. It'd be good to have a way to track at a finer
> level of granularity: both columns and field references.
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