Thomas Kellerer <spam_ea...@gmx.net> writes:
> I'm currently adding the support for materialized views to my SQL tool, and
> noticed that when creating a materialized view, a rewrite rule is also
> created that looks just like a rewrite rule for a "normal" view.
Yup.
> As the materialized view should be a "table" that can be selected from, I
> wonder what the purpose of the rewrite rule is?
To store the matview's definition for use in REFRESH.
regards, tom lane
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