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diff --git a/src/backend/access/istrat.h b/src/backend/access/istrat.h
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-/*-------------------------------------------------------------------------
- *
- * istrat.h--
- * POSTGRES index strategy definitions.
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: istrat.h,v 1.1.1.1 1996/07/09 06:21:08 scrappy Exp $
- *
- *-------------------------------------------------------------------------
- */
-#ifndef ISTRAT_H
-#define ISTRAT_H
-
-#include "postgres.h"
-#include "access/attnum.h"
-#include "access/skey.h"
-#include "access/strat.h"
-#include "utils/rel.h" /* for Relation */
-
-/*
- * StrategyNumberIsValid --
- * True iff the strategy number is valid.
- */
-#define StrategyNumberIsValid(strategyNumber) \
- ((bool) ((strategyNumber) != InvalidStrategy))
-
-/*
- * StrategyNumberIsInBounds --
- * True iff strategy number is within given bounds.
- *
- * Note:
- * Assumes StrategyNumber is an unsigned type.
- * Assumes the bounded interval to be (0,max].
- */
-#define StrategyNumberIsInBounds(strategyNumber, maxStrategyNumber) \
- ((bool)(InvalidStrategy < (strategyNumber) && \
- (strategyNumber) <= (maxStrategyNumber)))
-
-/*
- * StrategyMapIsValid --
- * True iff the index strategy mapping is valid.
- */
-#define StrategyMapIsValid(map) PointerIsValid(map)
-
-/*
- * IndexStrategyIsValid --
- * True iff the index strategy is valid.
- */
-#define IndexStrategyIsValid(s) PointerIsValid(s)
-
-extern ScanKey StrategyMapGetScanKeyEntry(StrategyMap map,
- StrategyNumber strategyNumber);
-extern StrategyMap IndexStrategyGetStrategyMap(IndexStrategy indexStrategy,
- StrategyNumber maxStrategyNum, AttrNumber attrNum);
-
-extern Size
-AttributeNumberGetIndexStrategySize(AttrNumber maxAttributeNumber,
- StrategyNumber maxStrategyNumber);
-extern bool StrategyOperatorIsValid(StrategyOperator operator,
- StrategyNumber maxStrategy);
-extern bool StrategyTermIsValid(StrategyTerm term,
- StrategyNumber maxStrategy);
-extern bool StrategyExpressionIsValid(StrategyExpression expression,
- StrategyNumber maxStrategy);
-extern bool StrategyEvaluationIsValid(StrategyEvaluation evaluation);
-extern StrategyNumber RelationGetStrategy(Relation relation,
- AttrNumber attributeNumber, StrategyEvaluation evaluation,
- RegProcedure procedure);
-extern bool RelationInvokeStrategy(Relation relation,
- StrategyEvaluation evaluation, AttrNumber attributeNumber,
- StrategyNumber strategy, Datum left, Datum right);
-extern void IndexSupportInitialize(IndexStrategy indexStrategy,
- RegProcedure *indexSupport, Oid indexObjectId,
- Oid accessMethodObjectId, StrategyNumber maxStrategyNumber,
- StrategyNumber maxSupportNumber, AttrNumber maxAttributeNumber);
-
-
-#endif /* ISTRAT_H */