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The 1st step to implement new type of scan,TidScan.

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Now WHERE restriction on ctid is allowed though it is
sequentially scanned.
This commit is contained in:
Hiroshi Inoue
1999-10-11 06:28:29 +00:00
parent 65a2c8f5b8
commit 05d13cad28
6 changed files with 238 additions and 10 deletions
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10
src/include/utils/builtins.h
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@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: builtins.h,v 1.88 1999/10/03 23:55:37 tgl Exp $
* $Id: builtins.h,v 1.89 1999/10/11 06:28:28 inoue Exp $
*
* NOTES
* This should normally only be included by fmgr.h.
@ -399,8 +399,14 @@ extern float64 gistsel(Oid operatorObjectId, Oid indrelid, AttrNumber attributeN
extern float64 gistnpage(Oid operatorObjectId, Oid indrelid, AttrNumber attributeNumber, char *constValue, int32 constFlag, int32 nIndexKeys, Oid indexrelid);
/* tid.c */
extern ItemPointer tidin(char *str);
extern ItemPointer tidin(const char *str);
extern char *tidout(ItemPointer itemPtr);
extern bool tideq(ItemPointer,ItemPointer);
extern bool tidne(ItemPointer,ItemPointer);
extern text *tid_text(ItemPointer);
extern ItemPointer text_tid(const text *);
extern ItemPointer currtid_byreloid(Oid relOid, ItemPointer);
extern ItemPointer currtid_byrelname(const text* relName, ItemPointer);
/* timestamp.c */
extern time_t timestamp_in(const char *timestamp_str);