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types of unspecified parameters when submitted via extended query protocol. This worked in 8.2 but I had broken it during plancache changes. DECLARE CURSOR is now treated almost exactly like a plain SELECT through parse analysis, rewrite, and planning; only just before sending to the executor do we divert it away to ProcessUtility. This requires a special-case check in a number of places, but practically all of them were already special-casing SELECT INTO, so it's not too ugly. (Maybe it would be a good idea to merge the two by treating IntoClause as a form of utility statement? Not going to worry about that now, though.) That approach doesn't work for EXPLAIN, however, so for that I punted and used a klugy solution of running parse analysis an extra time if under extended query protocol.
35 lines
984 B
C
35 lines
984 B
C
/*-------------------------------------------------------------------------
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*
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* portalcmds.h
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* prototypes for portalcmds.c.
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*
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*
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* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/commands/portalcmds.h,v 1.23 2007/04/27 22:05:49 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PORTALCMDS_H
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#define PORTALCMDS_H
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#include "nodes/parsenodes.h"
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#include "nodes/plannodes.h"
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#include "utils/portal.h"
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extern void PerformCursorOpen(PlannedStmt *stmt, ParamListInfo params,
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const char *queryString, bool isTopLevel);
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extern void PerformPortalFetch(FetchStmt *stmt, DestReceiver *dest,
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char *completionTag);
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extern void PerformPortalClose(const char *name);
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extern void PortalCleanup(Portal portal);
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extern void PersistHoldablePortal(Portal portal);
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#endif /* PORTALCMDS_H */
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