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Rearrange fmgr.c and relcache so that it's possible to keep FmgrInfo

lookup info in the relcache for index access method support functions.
This makes a huge difference for dynamically loaded support functions,
and should save a few cycles even for built-in ones.  Also tweak dfmgr.c
so that load_external_function is called only once, not twice, when
doing fmgr_info for a dynamically loaded function.  All per performance
gripe from Teodor Sigaev, 5-Oct-01.
This commit is contained in:
Tom Lane
2001-10-06 23:21:45 +00:00
parent a965750abf
commit 85801a4dbd
31 changed files with 424 additions and 390 deletions

View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: skey.h,v 1.16 2001/06/09 18:16:59 tgl Exp $
* $Id: skey.h,v 1.17 2001/10/06 23:21:44 tgl Exp $
*
* Note:
* Needs more accessor/assignment routines.
@ -44,5 +44,8 @@ typedef ScanKeyData *ScanKey;
extern void ScanKeyEntrySetIllegal(ScanKey entry);
extern void ScanKeyEntryInitialize(ScanKey entry, bits16 flags,
AttrNumber attributeNumber, RegProcedure procedure, Datum argument);
extern void ScanKeyEntryInitializeWithInfo(ScanKey entry, bits16 flags,
AttrNumber attributeNumber, FmgrInfo *finfo,
MemoryContext mcxt, Datum argument);
#endif /* SKEY_H */