head 1.13; branch ; access ; symbols Version_2_1:1.11 Version_2:1.9 C_Demo_1:1.5; locks ; strict; comment @ * @; 1.13 date 91.04.28.09.15.59; author cimarron; state Exp; branches ; next 1.12; 1.12 date 91.04.19.05.36.59; author kemnitz; state Exp; branches ; next 1.11; 1.11 date 90.08.18.00.40.01; author cimarron; state Exp; branches ; next 1.10; 1.10 date 90.08.17.08.51.10; author cimarron; state Exp; branches ; next 1.9; 1.9 date 90.06.07.18.20.15; author cimarron; state Version_2; branches ; next 1.8; 1.8 date 89.09.25.11.24.41; author cimarron; state Exp; branches ; next 1.7; 1.7 date 89.09.21.19.13.17; author hirohama; state Exp; branches ; next 1.6; 1.6 date 89.09.18.08.02.05; author cimarron; state Exp; branches ; next 1.5; 1.5 date 89.09.05.17.11.56; author mao; state C_Demo_1; branches ; next 1.4; 1.4 date 89.07.20.13.10.53; author mao; state Exp; branches ; next 1.3; 1.3 date 89.04.12.19.56.12; author dillon; state Exp; branches ; next 1.2; 1.2 date 89.03.22.17.34.34; author muir; state Stab; branches ; next 1.1; 1.1 date 89.01.17.05.54.53; author cimarron; state Exp; branches ; next ; desc @@ 1.13 log @Converted IsValid code into macros and added an improved NodeIsType scheme @ text @/* * skey.h -- * POSTGRES scan key definitions. * * Note: * Needs more accessor/assignment routines. */ #ifndef SKeyIncluded /* Include this file only once */ #define SKeyIncluded 1 /* * Identification: */ #define SKEY_H "$Header: RCS/skey.h,v 1.12 91/04/19 05:36:59 kemnitz Exp Locker: cimarron $" #include "tmp/postgres.h" #include "access/attnum.h" typedef uint16 ScanKeySize; typedef struct ScanKeyEntryData { bits16 flags; AttributeNumber attributeNumber; RegProcedure procedure; int (*func) (); int32 nargs; Datum argument; } ScanKeyEntryData; #define CheckIfNull 0x1 #define UnaryProcedure 0x2 #define NegateResult 0x4 #define CommuteArguments 0x8 #define ScanUnmarked 0x01 #define ScanUncheckedPrevious 0x02 #define ScanUncheckedNext 0x04 typedef ScanKeyEntryData *ScanKeyEntry; typedef struct ScanKeyData { ScanKeyEntryData data[1]; /* VARIABLE LENGTH ARRAY */ } ScanKeyData; typedef ScanKeyData *ScanKey; /* ---------------- * ScanKeyPtr is used in the executor to keep track of * an array of ScanKey's. This is needed because a single * scan may use several indices and each index has its own * ScanKey. -cim 9/11/89 * ---------------- */ typedef ScanKey *ScanKeyPtr; /* * ScanKeyIsValid -- * True iff the scan key is valid. */ #define ScanKeyIsValid(scanKeySize, key) \ ((bool) ((scanKeySize) == 0 || PointerIsValid(key))) /* * ScanKeyEntryIsValid -- * True iff the scan key entry is valid. */ #define ScanKeyEntryIsValid(entry) PointerIsValid(entry) /* * ScanKeyEntryIsLegal -- * True iff the scan key entry is legal. */ #define ScanKeyEntryIsLegal(entry) \ ((bool) (AssertMacro(ScanKeyEntryIsValid(entry)) && \ AttributeNumberIsValid(entry->attributeNumber))) /* * ScanKeyEntrySetIllegal -- * Marks a scan key entry as illegal. */ extern void ScanKeyEntrySetIllegal ARGS(( ScanKeyEntry entry )); /* * ScanKeyEntryInitialize -- * Initializes an scan key entry. * * Note: * Assumes the scan key entry is valid. * Assumes the intialized scan key entry will be legal. */ extern void ScanKeyEntryInitialize ARGS(( ScanKeyEntry entry, bits16 flags, AttributeNumber attributeNumber, RegProcedure procedure, Datum argument )); /* ---------------------------------------------------------------- * old access.h definitions * ---------------------------------------------------------------- */ struct skey { int16 sk_flags; /* flags */ int16 sk_attnum; /* domain number */ OID sk_opr; /* procedure OID */ int (*func) (); int32 nargs; DATUM sk_data; /* data to compare */ }; #define SK_ISNULL 01 #define SK_UNARY 02 #define SK_NEGATE 04 #define SK_COMMUTE 010 #endif /* !defined(SKeyIncluded) */ @ 1.12 log @the function coresponding to procedure is now cached in the scankey. @ text @d15 1 a15 1 #define SKEY_H "$Header: RCS/skey.h,v 1.11 90/08/18 00:40:01 cimarron Exp Locker: kemnitz $" d61 3 a63 6 extern bool ScanKeyIsValid ARGS(( ScanKey key )); d68 1 a68 5 extern bool ScanKeyEntryIsValid ARGS(( ScanKeyEntry entry )); d74 3 a76 5 extern bool ScanKeyEntryIsLegal ARGS(( ScanKeyEntry entry )); d114 2 a115 2 int (*func) (); int32 nargs; @ 1.11 log @eliminated less significant .h files @ text @d15 1 a15 1 #define SKEY_H "$Header: RCS/skey.h,v 1.10 90/08/17 08:51:10 cimarron Exp Locker: cimarron $" d26 2 d123 2 @ 1.10 log @added pathnames to #include statements @ text @d15 1 a15 1 #define SKEY_H "$Header: RCS/skey.h,v 1.9 90/06/07 18:20:15 cimarron Version_2 Locker: cimarron $" a18 2 #include "tmp/datum.h" #include "tmp/regproc.h" @ 1.9 log @made changes to simplify header include files @ text @d15 1 a15 1 #define SKEY_H "$Header: RCS/skey.h,v 1.8 89/09/25 11:24:41 cimarron Exp $" d17 4 a20 12 #ifndef POSTGRES_H #include "postgres.h" #endif #ifndef ATTNUM_H # include "attnum.h" #endif #ifndef DATUM_H # include "datum.h" #endif #ifndef REGPROC_H # include "regproc.h" #endif @ 1.8 log @moved dynamic symbol stuff to syms.h @ text @d15 1 a15 1 #define SKEY_H "$Header: RCS/skey.h,v 1.7 89/09/21 19:13:17 hirohama Exp $" d17 2 a18 2 #ifndef C_H #include "c.h" a19 1 d122 16 @ 1.7 log @added ...SYMBOLS declarations miscellaneous cleanup @ text @d15 1 a15 1 #define SKEY_H "$Header: RCS/skey.h,v 1.6 89/09/18 08:02:05 cimarron Exp Locker: hirohama $" a122 7 #define SKEY_SYMBOLS \ SymbolDecl(ScanKeyIsValid, "_ScanKeyIsValid"), \ SymbolDecl(ScanKeyEntryIsValid, "_ScanKeyEntryIsValid"), \ SymbolDecl(ScanKeyEntryIsLegal, "_ScanKeyEntryIsLegal"), \ SymbolDecl(ScanKeyEntrySetIllegal, "_ScanKeyEntrySetIllegal"), \ SymbolDecl(ScanKeyEntryInitialize, "_ScanKeyEntryInitialize") @ 1.6 log @added code to support index scans in the executor. @ text @d7 6 a12 1 * a13 1 * $Header: RCS/skey.h,v 1.4 89/07/20 13:10:53 mao Exp $ d15 1 a16 3 #ifndef SKey /* Include this file only once. */ #define SKey 1 d21 9 a29 3 #include "attnum.h" #include "datum.h" #include "regproc.h" d124 8 a131 1 #endif /* !defined(SKey) */ @ 1.5 log @Working version of C-only demo @ text @d9 1 a9 1 * $Header: /usr6/postgres/mao/postgres/src/lib/H/RCS/skey.h,v 1.4 89/07/20 13:10:53 mao Exp $ d48 9 @ 1.4 log @add scan marked flags (previously in access/genam/internal.h) @ text @d9 1 a9 1 * $Header: skey.h,v 1.3 89/04/12 19:56:12 mao Locked $ @ 1.3 log @c.h @ text @d9 1 a9 1 * $Header: /usr6/postgres/dillon/ptree/src/lib/H/RCS/skey.h,v 1.2 89/03/22 17:34:34 muir Stab $ d36 4 @ 1.2 log @copyright removal @ text @d9 1 a9 1 * $Header: /usr6/postgres/muir/postgres/src/lib/H/RCS/skey.h,v 1.1 89/01/17 05:54:53 cimarron Exp $ d15 1 d17 1 @ 1.1 log @Initial revision @ text @a0 27 ; /* ; * ; * POSTGRES Data Base Management System ; * ; * Copyright (c) 1988 Regents of the University of California ; * ; * Permission to use, copy, modify, and distribute this software and its ; * documentation for educational, research, and non-profit purposes and ; * without fee is hereby granted, provided that the above copyright ; * notice appear in all copies and that both that copyright notice and ; * this permission notice appear in supporting documentation, and that ; * the name of the University of California not be used in advertising ; * or publicity pertaining to distribution of the software without ; * specific, written prior permission. Permission to incorporate this ; * software into commercial products can be obtained from the Campus ; * Software Office, 295 Evans Hall, University of California, Berkeley, ; * Ca., 94720 provided only that the the requestor give the University ; * of California a free licence to any derived software for educational ; * and research purposes. The University of California makes no ; * representations about the suitability of this software for any ; * purpose. It is provided "as is" without express or implied warranty. ; * ; */ d9 1 a9 1 * $Header: skey.h,v 1.1 88/11/11 16:37:25 postgres Exp $ @