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pgsql/src/backend/parser analyze.c

From: momjian(at)postgresql(dot)org (Bruce Momjian - CVS)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/parser analyze.c
Date: 2002-02-25 04:21:55
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Lists: pgsql-committers
CVSROOT:	/cvsroot
Module name:	pgsql
Changes by:	momjian(at)postgresql(dot)org	02/02/24 23:21:55

Modified files:
	src/backend/parser: analyze.c 

Log message:
	This patch will allow arbitrary levels of analyze / rewriting
	by making the static variables extra_before and extra_after
	automatic so we can use recursion.
	It gets much easier to generate extra commands now, and one can rest
	assured that the extra commands will be properly analyzed/rewritten.
	Without this patch, if a command produced by transformation tries to
	use these static lists their first contents would be lost with
	unpredictable results.  I know I could fix this by just using nconc()
	instead of assignments, but the resulting order of the commands would
	not be exactly what one could expect.
	Fernando Nasser

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