diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtstrat.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtstrat.c | 156 |
1 files changed, 78 insertions, 78 deletions
diff --git a/src/backend/access/nbtree/nbtstrat.c b/src/backend/access/nbtree/nbtstrat.c index 6de003c06a9..5215d2000d8 100644 --- a/src/backend/access/nbtree/nbtstrat.c +++ b/src/backend/access/nbtree/nbtstrat.c @@ -1,13 +1,13 @@ /*------------------------------------------------------------------------- * * btstrat.c-- - * Srategy map entries for the btree indexed access method + * Srategy map entries for the btree indexed access method * * Copyright (c) 1994, Regents of the University of California * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/nbtree/Attic/nbtstrat.c,v 1.4 1996/11/05 10:35:37 scrappy Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/nbtree/Attic/nbtstrat.c,v 1.5 1997/09/07 04:39:04 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -20,111 +20,111 @@ /* * Note: - * StrategyNegate, StrategyCommute, and StrategyNegateCommute - * assume <, <=, ==, >=, > ordering. + * StrategyNegate, StrategyCommute, and StrategyNegateCommute + * assume <, <=, ==, >=, > ordering. */ -static StrategyNumber BTNegate[5] = { - BTGreaterEqualStrategyNumber, - BTGreaterStrategyNumber, - InvalidStrategy, - BTLessStrategyNumber, - BTLessEqualStrategyNumber +static StrategyNumber BTNegate[5] = { + BTGreaterEqualStrategyNumber, + BTGreaterStrategyNumber, + InvalidStrategy, + BTLessStrategyNumber, + BTLessEqualStrategyNumber }; -static StrategyNumber BTCommute[5] = { - BTGreaterStrategyNumber, - BTGreaterEqualStrategyNumber, - InvalidStrategy, - BTLessEqualStrategyNumber, - BTLessStrategyNumber +static StrategyNumber BTCommute[5] = { + BTGreaterStrategyNumber, + BTGreaterEqualStrategyNumber, + InvalidStrategy, + BTLessEqualStrategyNumber, + BTLessStrategyNumber }; -static StrategyNumber BTNegateCommute[5] = { - BTLessEqualStrategyNumber, - BTLessStrategyNumber, - InvalidStrategy, - BTGreaterStrategyNumber, - BTGreaterEqualStrategyNumber +static StrategyNumber BTNegateCommute[5] = { + BTLessEqualStrategyNumber, + BTLessStrategyNumber, + InvalidStrategy, + BTGreaterStrategyNumber, + BTGreaterEqualStrategyNumber }; -static uint16 BTLessTermData[] = { /* XXX type clash */ - 2, - BTLessStrategyNumber, - SK_NEGATE, - BTLessStrategyNumber, - SK_NEGATE | SK_COMMUTE +static uint16 BTLessTermData[] = { /* XXX type clash */ + 2, + BTLessStrategyNumber, + SK_NEGATE, + BTLessStrategyNumber, + SK_NEGATE | SK_COMMUTE }; -static uint16 BTLessEqualTermData[] = { /* XXX type clash */ - 2, - BTLessEqualStrategyNumber, - 0x0, - BTLessEqualStrategyNumber, - SK_COMMUTE +static uint16 BTLessEqualTermData[] = { /* XXX type clash */ + 2, + BTLessEqualStrategyNumber, + 0x0, + BTLessEqualStrategyNumber, + SK_COMMUTE }; static uint16 BTGreaterEqualTermData[] = { /* XXX type clash */ - 2, - BTGreaterEqualStrategyNumber, - 0x0, - BTGreaterEqualStrategyNumber, - SK_COMMUTE - }; - -static uint16 BTGreaterTermData[] = { /* XXX type clash */ - 2, - BTGreaterStrategyNumber, - SK_NEGATE, - BTGreaterStrategyNumber, - SK_NEGATE | SK_COMMUTE + 2, + BTGreaterEqualStrategyNumber, + 0x0, + BTGreaterEqualStrategyNumber, + SK_COMMUTE }; -static StrategyTerm BTEqualExpressionData[] = { - (StrategyTerm)BTLessTermData, /* XXX */ - (StrategyTerm)BTLessEqualTermData, /* XXX */ - (StrategyTerm)BTGreaterEqualTermData, /* XXX */ - (StrategyTerm)BTGreaterTermData, /* XXX */ - NULL +static uint16 BTGreaterTermData[] = { /* XXX type clash */ + 2, + BTGreaterStrategyNumber, + SK_NEGATE, + BTGreaterStrategyNumber, + SK_NEGATE | SK_COMMUTE }; -static StrategyEvaluationData BTEvaluationData = { - /* XXX static for simplicity */ - - BTMaxStrategyNumber, - (StrategyTransformMap)BTNegate, /* XXX */ - (StrategyTransformMap)BTCommute, /* XXX */ - (StrategyTransformMap)BTNegateCommute, /* XXX */ +static StrategyTerm BTEqualExpressionData[] = { + (StrategyTerm) BTLessTermData, /* XXX */ + (StrategyTerm) BTLessEqualTermData, /* XXX */ + (StrategyTerm) BTGreaterEqualTermData, /* XXX */ + (StrategyTerm) BTGreaterTermData, /* XXX */ + NULL +}; + +static StrategyEvaluationData BTEvaluationData = { + /* XXX static for simplicity */ + + BTMaxStrategyNumber, + (StrategyTransformMap) BTNegate, /* XXX */ + (StrategyTransformMap) BTCommute, /* XXX */ + (StrategyTransformMap) BTNegateCommute, /* XXX */ - { NULL, NULL, (StrategyExpression)BTEqualExpressionData, NULL, NULL, - NULL,NULL,NULL,NULL,NULL,NULL,NULL} + {NULL, NULL, (StrategyExpression) BTEqualExpressionData, NULL, NULL, + NULL, NULL, NULL, NULL, NULL, NULL, NULL} }; /* ---------------------------------------------------------------- - * RelationGetBTStrategy + * RelationGetBTStrategy * ---------------------------------------------------------------- */ StrategyNumber _bt_getstrat(Relation rel, - AttrNumber attno, - RegProcedure proc) + AttrNumber attno, + RegProcedure proc) { - StrategyNumber strat; - - strat = RelationGetStrategy(rel, attno, &BTEvaluationData, proc); - - Assert(StrategyNumberIsValid(strat)); - - return (strat); + StrategyNumber strat; + + strat = RelationGetStrategy(rel, attno, &BTEvaluationData, proc); + + Assert(StrategyNumberIsValid(strat)); + + return (strat); } bool _bt_invokestrat(Relation rel, - AttrNumber attno, - StrategyNumber strat, - Datum left, - Datum right) + AttrNumber attno, + StrategyNumber strat, + Datum left, + Datum right) { - return (RelationInvokeStrategy(rel, &BTEvaluationData, attno, strat, - left, right)); + return (RelationInvokeStrategy(rel, &BTEvaluationData, attno, strat, + left, right)); } |