codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * stratnum.h4 *	  POSTGRES strategy number definitions.5 *6 *7 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group8 * Portions Copyright (c) 1994, Regents of the University of California9 *10 * src/include/access/stratnum.h11 *12 *-------------------------------------------------------------------------13 */14#ifndef STRATNUM_H15#define STRATNUM_H16 17/*18 * Strategy numbers identify the semantics that particular operators have19 * with respect to particular operator classes.  In some cases a strategy20 * subtype (an OID) is used as further information.21 */22typedef uint16 StrategyNumber;23 24#define InvalidStrategy ((StrategyNumber) 0)25 26/*27 * Strategy numbers for B-tree indexes.28 */29#define BTLessStrategyNumber			130#define BTLessEqualStrategyNumber		231#define BTEqualStrategyNumber			332#define BTGreaterEqualStrategyNumber	433#define BTGreaterStrategyNumber			534 35#define BTMaxStrategyNumber				536 37/*38 *	Strategy numbers for hash indexes. There's only one valid strategy for39 *	hashing: equality.40 */41#define HTEqualStrategyNumber			142 43#define HTMaxStrategyNumber				144 45/*46 * Strategy numbers common to (some) GiST, SP-GiST and BRIN opclasses.47 *48 * The first few of these come from the R-Tree indexing method (hence the49 * names); the others have been added over time as they have been needed.50 */51#define RTLeftStrategyNumber			1	/* for << */52#define RTOverLeftStrategyNumber		2	/* for &< */53#define RTOverlapStrategyNumber			3	/* for && */54#define RTOverRightStrategyNumber		4	/* for &> */55#define RTRightStrategyNumber			5	/* for >> */56#define RTSameStrategyNumber			6	/* for ~= */57#define RTContainsStrategyNumber		7	/* for @> */58#define RTContainedByStrategyNumber		8	/* for <@ */59#define RTOverBelowStrategyNumber		9	/* for &<| */60#define RTBelowStrategyNumber			10	/* for <<| */61#define RTAboveStrategyNumber			11	/* for |>> */62#define RTOverAboveStrategyNumber		12	/* for |&> */63#define RTOldContainsStrategyNumber		13	/* for old spelling of @> */64#define RTOldContainedByStrategyNumber	14	/* for old spelling of <@ */65#define RTKNNSearchStrategyNumber		15	/* for <-> (distance) */66#define RTContainsElemStrategyNumber	16	/* for range types @> elem */67#define RTAdjacentStrategyNumber		17	/* for -|- */68#define RTEqualStrategyNumber			18	/* for = */69#define RTNotEqualStrategyNumber		19	/* for != */70#define RTLessStrategyNumber			20	/* for < */71#define RTLessEqualStrategyNumber		21	/* for <= */72#define RTGreaterStrategyNumber			22	/* for > */73#define RTGreaterEqualStrategyNumber	23	/* for >= */74#define RTSubStrategyNumber				24	/* for inet >> */75#define RTSubEqualStrategyNumber		25	/* for inet <<= */76#define RTSuperStrategyNumber			26	/* for inet << */77#define RTSuperEqualStrategyNumber		27	/* for inet >>= */78#define RTPrefixStrategyNumber			28	/* for text ^@ */79#define RTOldBelowStrategyNumber		29	/* for old spelling of <<| */80#define RTOldAboveStrategyNumber		30	/* for old spelling of |>> */81 82#define RTMaxStrategyNumber				3083 84 85#endif							/* STRATNUM_H */86