head 1.8; branch ; access ; symbols Version_2_1:1.6 Version_2:1.5 C_Demo_1:1.4; locks ; strict; comment @ * @; 1.8 date 91.11.08.15.43.10; author kemnitz; state Exp; branches ; next 1.7; 1.7 date 91.04.28.09.15.49; author cimarron; state Exp; branches ; next 1.6; 1.6 date 90.08.17.08.50.54; author cimarron; state Exp; branches ; next 1.5; 1.5 date 90.02.08.14.40.56; author hong; state Version_2; branches ; next 1.4; 1.4 date 89.09.05.17.07.06; author mao; state C_Demo_1; branches ; next 1.3; 1.3 date 89.04.12.19.54.33; author dillon; state Exp; branches ; next 1.2; 1.2 date 89.03.22.17.33.14; author muir; state Stab; branches ; next 1.1; 1.1 date 89.01.17.05.54.15; author cimarron; state Exp; branches ; next ; desc @@ 1.8 log @fixed prototypes. @ text @/* * isop.h -- * POSTGRES index strategy manipulation operator definitions. * * Identification: * $Header: ../src/lib/H/access/RCS/isop.h,v 1.7 91/04/28 09:15:49 cimarron Exp Locker: kemnitz $ */ #ifndef ISOpIncluded /* Include this file only once */ #define ISOpIncluded 1 #include "tmp/c.h" #include "access/istrat.h" typedef struct StrategyTransformMapData { StrategyNumber strategy[1]; /* VARIABLE LENGTH ARRAY */ } StrategyTransformMapData; /* VARIABLE LENGTH STRUCTURE */ typedef StrategyTransformMapData *StrategyTransformMap; typedef struct StrategyOperatorData { StrategyNumber strategy; bits16 flags; /* scan qualification flags h/skey.h */ } StrategyOperatorData; typedef StrategyOperatorData *StrategyOperator; typedef struct StrategyTermData { /* conjunctive term */ uint16 degree; StrategyOperatorData operatorData[1]; /* VARIABLE LENGTH */ } StrategyTermData; /* VARIABLE LENGTH STRUCTURE */ typedef StrategyTermData *StrategyTerm; typedef struct StrategyExpressionData { /* disjunctive normal form */ StrategyTerm term[1]; /* VARIABLE LENGTH ARRAY */ } StrategyExpressionData; /* VARIABLE LENGTH STRUCTURE */ typedef StrategyExpressionData *StrategyExpression; typedef struct StrategyEvaluationData { StrategyNumber maxStrategy; StrategyTransformMap negateTransform; StrategyTransformMap commuteTransform; StrategyTransformMap negateCommuteTransform; StrategyExpression expression[12]; /* XXX VARIABLE LENGTH */ } StrategyEvaluationData; /* VARIABLE LENGTH STRUCTURE */ typedef StrategyEvaluationData *StrategyEvaluation; /* * StrategyTransformMapIsValid -- * Returns true iff strategy transformation map is valid. */ #define StrategyTransformMapIsValid(transform) PointerIsValid(transform) /* * StrategyOperatorIsValid -- * Returns true iff strategy operator is valid. */ extern bool StrategyOperatorMapIsValid ARGS(( StrategyOperator operator, StrategyNumber maxStrategy )); /* * StrategyTermIsValid -- * Returns true iff strategy term is valid. */ extern bool StrategyTermIsValid ARGS(( StrategyTerm term, StrategyNumber maxStrategy )); /* * StrategyExpressionIsValid -- * Returns true iff strategy expression is valid. */ extern bool StrategyExpressionIsValid ARGS(( StrategyExpression expression, StrategyNumber maxStrategy )); /* * StrategyEvaluationIsValid -- * Returns true iff strategy evaluation information is valid. */ extern bool StrategyEvaluationIsValid ARGS(( StrategyEvaluation evaluation )); /* * RelationGetStrategy -- * Returns the strategy for an index relation and registered procedure. * Returns InvalidStrategyNumber if registered procedure is unknown. * * Note: * Assumes relation is valid index relation. * Assumes attribute number is in valid range. * Assumes maximum strategy is valid. * Assumes strategy transformation maps are valid. * Assumes registered procedure is valid. */ extern StrategyNumber RelationGetStrategy ARGS(( Relation relation, AttributeNumber attributeNumber, StrategyEvaluation evaluation, RegProcedure procedure )); /* * RelationInvokeStrategy -- * Returns the result of evaluating a strategy for an index relation. * * Note: * Assumes relation is a valid index relation. * Assumes strategy evalution information is valid. * Assumes attribute number is in valid range. * Assumes strategy is valid. */ extern bool /* XXX someday, this may return Datum */ RelationInvokeStrategy ARGS(( Relation relation, StrategyEvaluation evaluation, AttributeNumber attributeNumber, StrategyNumber strategy, Datum left, Datum right )); #endif /* !defined(ISOpIncluded) */ @ 1.7 log @Converted IsValid code into macros and added an improved NodeIsType scheme @ text @d6 1 a6 1 * $Header: RCS/isop.h,v 1.6 90/08/17 08:50:54 cimarron Exp Locker: cimarron $ d65 1 a65 1 Strategy maxStrategy d76 1 a76 1 Strategy maxStrategy d86 2 a87 2 StrategyExpression expression Strategy maxStrategy d117 1 a117 4 StrategyNumber maxStrategy, StrategyTransformMap negateTransform, StrategyTransformMap commuteTransform, StrategyTransformMap negateCommuteTransform, @ 1.6 log @added pathnames to #include statements @ text @d6 1 a6 1 * $Header: RCS/isop.h,v 1.5 90/02/08 14:40:56 hong Version_2 Locker: cimarron $ d55 1 a55 5 extern bool StrategyTransformMapIsValid ARGS(( StrategyTransformMap transform )); @ 1.5 log @fix for hermes to reduce levels of #include nesting. @ text @d6 1 a6 1 * $Header: RCS/isop.h,v 1.4 89/09/05 17:07:06 mao C_Demo_1 $ d12 2 a13 7 #ifndef C_H #include "c.h" #endif #ifndef ISTRAT_H #include "istrat.h" #endif @ 1.4 log @Working version of C-only demo @ text @d6 1 a6 1 * $Header: /usr6/postgres/mao/postgres/src/lib/H/RCS/isop.h,v 1.3 89/04/12 19:54:33 dillon Exp $ d16 1 d18 1 @ 1.3 log @c.h @ text @d6 1 a6 1 * $Header: /usr6/postgres/dillon/ptree/src/lib/H/RCS/isop.h,v 1.2 89/03/22 17:33:14 muir Stab $ @ 1.2 log @copyright removal @ text @d6 1 a6 1 * $Header: /usr6/postgres/muir/postgres/src/lib/H/RCS/isop.h,v 1.1 89/01/17 05:54:15 cimarron Exp $ d12 1 d14 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. ; * ; */ d6 1 a6 1 * $Header: isop.h,v 1.1 88/11/11 16:37:09 postgres Exp $ @