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postgres/src/include/parser/parse_param.h
Tom Lane 0b33790421 Clean up the mess around EXPLAIN and materialized views.
Revert the matview-related changes in explain.c's API, as per recent
complaint from Robert Haas.  The reason for these appears to have been
principally some ill-considered choices around having intorel_startup do
what ought to be parse-time checking, plus a poor arrangement for passing
it the view parsetree it needs to store into pg_rewrite when creating a
materialized view.  Do the latter by having parse analysis stick a copy
into the IntoClause, instead of doing it at runtime.  (On the whole,
I seriously question the choice to represent CREATE MATERIALIZED VIEW as a
variant of SELECT INTO/CREATE TABLE AS, because that means injecting even
more complexity into what was already a horrid legacy kluge.  However,
I didn't go so far as to rethink that choice ... yet.)

I also moved several error checks into matview parse analysis, and
made the check for external Params in a matview more accurate.

In passing, clean things up a bit more around interpretOidsOption(),
and fix things so that we can use that to force no-oids for views,
sequences, etc, thereby eliminating the need to cons up "oids = false"
options when creating them.

catversion bump due to change in IntoClause.  (I wonder though if we
really need readfuncs/outfuncs support for IntoClause anymore.)
2013-04-12 19:25:31 -04:00

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C

/*-------------------------------------------------------------------------
*
* parse_param.h
* handle parameters in parser
*
* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/parser/parse_param.h
*
*-------------------------------------------------------------------------
*/
#ifndef PARSE_PARAM_H
#define PARSE_PARAM_H
#include "parser/parse_node.h"
extern void parse_fixed_parameters(ParseState *pstate,
Oid *paramTypes, int numParams);
extern void parse_variable_parameters(ParseState *pstate,
Oid **paramTypes, int *numParams);
extern void check_variable_parameters(ParseState *pstate, Query *query);
extern bool query_contains_extern_params(Query *query);
#endif /* PARSE_PARAM_H */