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Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables
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Msg-id 3697913.1774301671@sss.pgh.pa.us
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In response to Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables  (Alexander Korotkov <aekorotkov@gmail.com>)
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Alexander Korotkov <aekorotkov@gmail.com> writes:
> Please, consider my additions to the comment.  They explain why we use
> ChangeVarNodes_walker() instead of expression_tree_walker(), and gives
> a bit more details about difference in processing of top-level Query
> and subquery.

I'm fine with this, although in

+ * ... We invoke ChangeVarNodes_walker directly rather than
+ * expression_tree_walker

I would write "rather than via expression_tree_walker".

            regards, tom lane

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