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Re: function expression in FROM may not refer to other relations of same query level - Mailing list pgsql-sql

From Rosser Schwarz
Subject Re: function expression in FROM may not refer to other relations of same query level
Date
Msg-id 37d451f7040811074179008664@mail.gmail.com
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In response to Re: function expression in FROM may not refer to other relations of same query level  ("Philippe Lang" <philippe.lang@attiksystem.ch>)
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Philippe Lang wrote:

> The problem now is that get_lines is being called twice per line.

Is get_lines() defined as IMMUTABLE?  Should it be?

/rls

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