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/*-------------------------------------------------------------------------
*
* rangetypes.h
* Declarations for Postgres range types.
*
*/
#ifndef RANGETYPES_H
#define RANGETYPES_H
#include "fmgr.h"
typedef struct varlena RangeType;
typedef struct
{
Datum val;
Oid rngtypid;
bool infinite;
bool lower;
bool inclusive;
} RangeBound;
typedef struct
{
FmgrInfo canonicalFn;
FmgrInfo cmpFn;
FmgrInfo subdiffFn;
Oid rngtypid;
Oid subtype;
Oid collation;
int16 subtyplen;
char subtypalign;
char subtypstorage;
bool subtypbyval;
} RangeTypeInfo;
/*
* 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
*/
/* IO */
extern Datum anyrange_in(PG_FUNCTION_ARGS);
extern Datum anyrange_out(PG_FUNCTION_ARGS);
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_constructor0(PG_FUNCTION_ARGS);
extern Datum range_constructor1(PG_FUNCTION_ARGS);
extern Datum range_constructor2(PG_FUNCTION_ARGS);
extern Datum range_constructor3(PG_FUNCTION_ARGS);
extern Datum range_make1(PG_FUNCTION_ARGS);
extern Datum range_linf_(PG_FUNCTION_ARGS);
extern Datum range_uinf_(PG_FUNCTION_ARGS);
extern Datum range_linfi(PG_FUNCTION_ARGS);
extern Datum range_uinfi(PG_FUNCTION_ARGS);
extern Datum range(PG_FUNCTION_ARGS);
extern Datum range__(PG_FUNCTION_ARGS);
extern Datum range_i(PG_FUNCTION_ARGS);
extern Datum rangei_(PG_FUNCTION_ARGS);
extern Datum rangeii(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, point -> bool */
extern Datum range_contains_elem(PG_FUNCTION_ARGS);
extern Datum elem_contained_by_range(PG_FUNCTION_ARGS);
/* 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);
/* 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);
/* GiST support (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);
/* Canonical functions */
Datum int4range_canonical(PG_FUNCTION_ARGS);
Datum int8range_canonical(PG_FUNCTION_ARGS);
Datum daterange_canonical(PG_FUNCTION_ARGS);
/* Subtype Difference functions */
Datum int4range_subdiff(PG_FUNCTION_ARGS);
Datum int8range_subdiff(PG_FUNCTION_ARGS);
Datum numrange_subdiff(PG_FUNCTION_ARGS);
Datum daterange_subdiff(PG_FUNCTION_ARGS);
Datum tsrange_subdiff(PG_FUNCTION_ARGS);
Datum tstzrange_subdiff(PG_FUNCTION_ARGS);
/* for defining more generic functions */
extern Datum make_range(FunctionCallInfo fcinfo, RangeBound *lower,
RangeBound *upper, bool empty);
extern void range_deserialize(FunctionCallInfo fcinfo, RangeType *range,
RangeBound *lower, RangeBound *upper,
bool *empty);
extern int range_cmp_bounds(FunctionCallInfo fcinfo, RangeBound *b1,
RangeBound *b2);
extern RangeType *make_empty_range(FunctionCallInfo fcinfo, Oid rngtypid);
extern void range_gettypinfo(FunctionCallInfo fcinfo, Oid rngtypid,
RangeTypeInfo *rngtypinfo);
/* for defining a range "canonicalize" function */
extern Datum range_serialize(FunctionCallInfo fcinfo, RangeBound *lower,
RangeBound *upper, bool empty);
/* for use in DefineRange */
extern char range_parse_flags(char *flags_str);
#endif /* RANGETYPES_H */
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