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pgsql/src backend/parser/parse_expr.c backend/ ...

From: Bruce Momjian - CVS <momjian(at)hub(dot)org>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src backend/parser/parse_expr.c backend/ ...
Date: 2001-05-19 00:33:20
Message-ID: 200105190033.f4J0XKL91592@hub.org (view raw or flat)
Thread:
Lists: pgsql-committers
CVSROOT:	/home/projects/pgsql/cvsroot
Module name:	pgsql
Changes by:	momjian(at)hub(dot)org	01/05/18 20:33:20

Modified files:
	src/backend/parser: parse_expr.c parse_func.c 
	src/include/parser: parse_func.h 

Log message:
	New comment.  This func/column things has always confused me.
	
	/*
	*  parse function
	*  This code is confusing because the database can accept
	*  relation.column, column.function, or relation.column.function.
	*  In these cases, funcname is the last parameter, and fargs are
	*  the rest.
	*
	*  It can also be called as func(col) or func(col,col).
	*  In this case, Funcname is the part before parens, and fargs
	*  are the part in parens.
	*
	*/
	Node *
	ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs,
	bool agg_star, bool agg_distinct,
	int precedence)


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Next:From: Bruce Momjian - CVSDate: 2001-05-19 00:37:46
Subject: pgsql/src/backend/parser parse_func.c
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