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Another SELECT speedup: extract OIDs of column print functions

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only once per SELECT, not once per tuple.  10% here, 10% there,
pretty soon you're talking about real speedups ...
This commit is contained in:
Tom Lane
1999-01-27 00:36:28 +00:00
parent 36693c0525
commit 422221c90d
9 changed files with 413 additions and 231 deletions
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20
src/include/access/printtup.h
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@@ -6,20 +6,26 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: printtup.h,v 1.6 1999/01/24 05:40:46 tgl Exp $
* $Id: printtup.h,v 1.7 1999/01/27 00:36:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PRINTTUP_H
#define PRINTTUP_H
#include <access/htup.h>
#include <access/tupdesc.h>
#include <tcop/dest.h>
extern DestReceiver* printtup_create_DR(void);
extern void showatts(char *name, TupleDesc attinfo);
extern void debugtup(HeapTuple tuple, TupleDesc typeinfo,
DestReceiver* self);
extern void printtup_internal(HeapTuple tuple, TupleDesc typeinfo,
DestReceiver* self);
/* XXX this one is really in executor/spi.c */
extern void spi_printtup(HeapTuple tuple, TupleDesc tupdesc,
DestReceiver* self);
extern int getTypeOutAndElem(Oid type, Oid* typOutput, Oid* typElem);
extern void printtup(HeapTuple tuple, TupleDesc typeinfo);
extern void showatts(char *name, TupleDesc attinfo);
extern void debugtup(HeapTuple tuple, TupleDesc typeinfo);
extern void printtup_internal(HeapTuple tuple, TupleDesc typeinfo);
#endif /* PRINTTUP_H */