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attoptcache.h	725 B	-rw-r--r--
builtins.h	47.77 KB	-rw-r--r--
bytea.h	1.58 KB	-rw-r--r--
cash.h	2.07 KB	-rw-r--r--
catcache.h	7.51 KB	-rw-r--r--
combocid.h	698 B	-rw-r--r--
date.h	7.73 KB	-rw-r--r--
datetime.h	9.92 KB	-rw-r--r--
datum.h	1.48 KB	-rw-r--r--
dynahash.h	498 B	-rw-r--r--
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elog.h	12.56 KB	-rw-r--r--
errcodes.h	19.61 KB	-rw-r--r--
fmgroids.h	61.09 KB	-rw-r--r--
fmgrtab.h	1.15 KB	-rw-r--r--
formatting.h	1.41 KB	-rw-r--r--
geo_decls.h	15.86 KB	-rw-r--r--
guc.h	13.19 KB	-rw-r--r--
guc_tables.h	7.15 KB	-rw-r--r--
help_config.h	432 B	-rw-r--r--
hsearch.h	5.51 KB	-rw-r--r--
inet.h	2.66 KB	-rw-r--r--
int8.h	4.03 KB	-rw-r--r--
inval.h	1.81 KB	-rw-r--r--
json.h	916 B	-rw-r--r--
logtape.h	1.5 KB	-rw-r--r--
lsyscache.h	6.51 KB	-rw-r--r--
memutils.h	5.2 KB	-rw-r--r--
nabstime.h	5.79 KB	-rw-r--r--
numeric.h	1.88 KB	-rw-r--r--
palloc.h	3.92 KB	-rw-r--r--
pg_crc.h	4.36 KB	-rw-r--r--
pg_crc_tables.h	19.73 KB	-rw-r--r--
pg_locale.h	2.59 KB	-rw-r--r--
pg_lzcompress.h	2.97 KB	-rw-r--r--
pg_rusage.h	847 B	-rw-r--r--
plancache.h	8.02 KB	-rw-r--r--
portal.h	9.22 KB	-rw-r--r--
probes.h	37.93 KB	-rw-r--r--
ps_status.h	668 B	-rw-r--r--
rangetypes.h	7.4 KB	-rw-r--r--
rbtree.h	2.26 KB	-rw-r--r--
rel.h	12.27 KB	-rw-r--r--
relcache.h	3.17 KB	-rw-r--r--
relmapper.h	1.68 KB	-rw-r--r--
reltrigger.h	1.95 KB	-rw-r--r--
resowner.h	5.07 KB	-rw-r--r--
selfuncs.h	7.5 KB	-rw-r--r--
snapmgr.h	1.59 KB	-rw-r--r--
snapshot.h	2.59 KB	-rw-r--r--
sortsupport.h	5.3 KB	-rw-r--r--
spccache.h	556 B	-rw-r--r--
syscache.h	5.51 KB	-rw-r--r--
timestamp.h	9.5 KB	-rw-r--r--
tqual.h	3.5 KB	-rw-r--r--
tuplesort.h	4.62 KB	-rw-r--r--
tuplestore.h	3.14 KB	-rw-r--r--
typcache.h	4.26 KB	-rw-r--r--
tzparser.h	1.13 KB	-rw-r--r--
uuid.h	861 B	-rw-r--r--
varbit.h	4.27 KB	-rw-r--r--
xml.h	3.89 KB	-rw-r--r--

Code Editor : rangetypes.h

/*-------------------------------------------------------------------------
 *
 * rangetypes.h
 *	  Declarations for Postgres range types.
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/rangetypes.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef RANGETYPES_H
#define RANGETYPES_H

#include "utils/typcache.h"

/*
 * Ranges are varlena objects, so must meet the varlena convention that
 * the first int32 of the object contains the total object size in bytes.
 * Be sure to use VARSIZE() and SET_VARSIZE() to access it, though!
 */
typedef struct
{
	int32		vl_len_;		/* varlena header (do not touch directly!) */
	Oid			rangetypid;		/* range type's own OID */
	/* Following the OID are zero to two bound values, then a flags byte */
} RangeType;

/* Use this macro in preference to fetching rangetypid field directly */
#define RangeTypeGetOid(r)	((r)->rangetypid)

/* A range's flags byte contains these bits: */
#define RANGE_EMPTY			0x01	/* range is empty */
#define RANGE_LB_INC		0x02	/* lower bound is inclusive */
#define RANGE_UB_INC		0x04	/* upper bound is inclusive */
#define RANGE_LB_INF		0x08	/* lower bound is -infinity */
#define RANGE_UB_INF		0x10	/* upper bound is +infinity */
#define RANGE_LB_NULL		0x20	/* lower bound is null (NOT USED) */
#define RANGE_UB_NULL		0x40	/* upper bound is null (NOT USED) */
#define RANGE_CONTAIN_EMPTY 0x80/* marks a GiST internal-page entry whose
								 * subtree contains some empty ranges */

#define RANGE_HAS_LBOUND(flags) (!((flags) & (RANGE_EMPTY | \
											  RANGE_LB_NULL | \
											  RANGE_LB_INF)))

#define RANGE_HAS_UBOUND(flags) (!((flags) & (RANGE_EMPTY | \
											  RANGE_UB_NULL | \
											  RANGE_UB_INF)))

#define RangeIsEmpty(r)  ((range_get_flags(r) & RANGE_EMPTY) != 0)
#define RangeIsOrContainsEmpty(r)  \
	((range_get_flags(r) & (RANGE_EMPTY | RANGE_CONTAIN_EMPTY)) != 0)

/* Internal representation of either bound of a range (not what's on disk) */
typedef struct
{
	Datum		val;			/* the bound value, if any */
	bool		infinite;		/* bound is +/- infinity */
	bool		inclusive;		/* bound is inclusive (vs exclusive) */
	bool		lower;			/* this is the lower (vs upper) bound */
} RangeBound;

/*
 * fmgr macros for range type objects
 */
#define DatumGetRangeType(X)		((RangeType *) PG_DETOAST_DATUM(X))
#define DatumGetRangeTypeCopy(X)	((RangeType *) PG_DETOAST_DATUM_COPY(X))
#define RangeTypeGetDatum(X)		PointerGetDatum(X)
#define PG_GETARG_RANGE(n)			DatumGetRangeType(PG_GETARG_DATUM(n))
#define PG_GETARG_RANGE_COPY(n)		DatumGetRangeTypeCopy(PG_GETARG_DATUM(n))
#define PG_RETURN_RANGE(x)			return RangeTypeGetDatum(x)

/*
 * prototypes for functions defined in rangetypes.c
 */

/* I/O */
extern Datum range_in(PG_FUNCTION_ARGS);
extern Datum range_out(PG_FUNCTION_ARGS);
extern Datum range_recv(PG_FUNCTION_ARGS);
extern Datum range_send(PG_FUNCTION_ARGS);

/* constructors */
extern Datum range_constructor2(PG_FUNCTION_ARGS);
extern Datum range_constructor3(PG_FUNCTION_ARGS);

/* range -> subtype */
extern Datum range_lower(PG_FUNCTION_ARGS);
extern Datum range_upper(PG_FUNCTION_ARGS);

/* range -> bool */
extern Datum range_empty(PG_FUNCTION_ARGS);
extern Datum range_lower_inc(PG_FUNCTION_ARGS);
extern Datum range_upper_inc(PG_FUNCTION_ARGS);
extern Datum range_lower_inf(PG_FUNCTION_ARGS);
extern Datum range_upper_inf(PG_FUNCTION_ARGS);

/* range, element -> bool */
extern Datum range_contains_elem(PG_FUNCTION_ARGS);
extern Datum elem_contained_by_range(PG_FUNCTION_ARGS);

extern bool range_contains_elem_internal(TypeCacheEntry *typcache, RangeType *r, Datum val);

/* range, range -> bool */
extern Datum range_eq(PG_FUNCTION_ARGS);
extern Datum range_ne(PG_FUNCTION_ARGS);
extern Datum range_contains(PG_FUNCTION_ARGS);
extern Datum range_contained_by(PG_FUNCTION_ARGS);
extern Datum range_before(PG_FUNCTION_ARGS);
extern Datum range_after(PG_FUNCTION_ARGS);
extern Datum range_adjacent(PG_FUNCTION_ARGS);
extern Datum range_overlaps(PG_FUNCTION_ARGS);
extern Datum range_overleft(PG_FUNCTION_ARGS);
extern Datum range_overright(PG_FUNCTION_ARGS);

/* internal versions of the above */
extern bool range_eq_internal(TypeCacheEntry *typcache, RangeType *r1,
				  RangeType *r2);
extern bool range_ne_internal(TypeCacheEntry *typcache, RangeType *r1,
				  RangeType *r2);
extern bool range_contains_internal(TypeCacheEntry *typcache, RangeType *r1,
						RangeType *r2);
extern bool range_contained_by_internal(TypeCacheEntry *typcache, RangeType *r1,
							RangeType *r2);
extern bool range_before_internal(TypeCacheEntry *typcache, RangeType *r1,
					  RangeType *r2);
extern bool range_after_internal(TypeCacheEntry *typcache, RangeType *r1,
					 RangeType *r2);
extern bool range_adjacent_internal(TypeCacheEntry *typcache, RangeType *r1,
						RangeType *r2);
extern bool range_overlaps_internal(TypeCacheEntry *typcache, RangeType *r1,
						RangeType *r2);
extern bool range_overleft_internal(TypeCacheEntry *typcache, RangeType *r1,
						RangeType *r2);
extern bool range_overright_internal(TypeCacheEntry *typcache, RangeType *r1,
						 RangeType *r2);

/* range, range -> range */
extern Datum range_minus(PG_FUNCTION_ARGS);
extern Datum range_union(PG_FUNCTION_ARGS);
extern Datum range_intersect(PG_FUNCTION_ARGS);

/* BTree support */
extern Datum range_cmp(PG_FUNCTION_ARGS);
extern Datum range_lt(PG_FUNCTION_ARGS);
extern Datum range_le(PG_FUNCTION_ARGS);
extern Datum range_ge(PG_FUNCTION_ARGS);
extern Datum range_gt(PG_FUNCTION_ARGS);

/* Hash support */
extern Datum hash_range(PG_FUNCTION_ARGS);

/* ANALYZE support */
extern Datum range_typanalyze(PG_FUNCTION_ARGS);

/* Canonical functions */
extern Datum int4range_canonical(PG_FUNCTION_ARGS);
extern Datum int8range_canonical(PG_FUNCTION_ARGS);
extern Datum daterange_canonical(PG_FUNCTION_ARGS);

/* Subtype Difference functions */
extern Datum int4range_subdiff(PG_FUNCTION_ARGS);
extern Datum int8range_subdiff(PG_FUNCTION_ARGS);
extern Datum numrange_subdiff(PG_FUNCTION_ARGS);
extern Datum daterange_subdiff(PG_FUNCTION_ARGS);
extern Datum tsrange_subdiff(PG_FUNCTION_ARGS);
extern Datum tstzrange_subdiff(PG_FUNCTION_ARGS);

/* assorted support functions */
extern TypeCacheEntry *range_get_typcache(FunctionCallInfo fcinfo,
				   Oid rngtypid);
extern RangeType *range_serialize(TypeCacheEntry *typcache, RangeBound *lower,
				RangeBound *upper, bool empty);
extern void range_deserialize(TypeCacheEntry *typcache, RangeType *range,
				  RangeBound *lower, RangeBound *upper,
				  bool *empty);
extern char range_get_flags(RangeType *range);
extern void range_set_contain_empty(RangeType *range);
extern RangeType *make_range(TypeCacheEntry *typcache, RangeBound *lower,
		   RangeBound *upper, bool empty);
extern int range_cmp_bounds(TypeCacheEntry *typcache, RangeBound *b1,
				 RangeBound *b2);
extern int range_cmp_bound_values(TypeCacheEntry *typcache, RangeBound *b1,
					   RangeBound *b2);
extern RangeType *make_empty_range(TypeCacheEntry *typcache);

/* GiST support (in rangetypes_gist.c) */
extern Datum range_gist_consistent(PG_FUNCTION_ARGS);
extern Datum range_gist_compress(PG_FUNCTION_ARGS);
extern Datum range_gist_decompress(PG_FUNCTION_ARGS);
extern Datum range_gist_union(PG_FUNCTION_ARGS);
extern Datum range_gist_penalty(PG_FUNCTION_ARGS);
extern Datum range_gist_picksplit(PG_FUNCTION_ARGS);
extern Datum range_gist_same(PG_FUNCTION_ARGS);

#endif   /* RANGETYPES_H */

${this.title}

Code Editor : rangetypes.h