postgresql/contrib/btree_gist/btree_utils_var.h
Amit Kapila e0487223ec Make the order of the header file includes consistent.
Similar to commits 14aec03502, 7e735035f2 and dddf4cdc33, this commit
makes the order of header file inclusion consistent in more places.

Author: Vignesh C
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/CALDaNm2Sznv8RR6Ex-iJO6xAdsxgWhCoETkaYX=+9DW3q0QCfA@mail.gmail.com
2019-11-25 08:08:57 +05:30

73 lines
2.2 KiB
C

/*
* contrib/btree_gist/btree_utils_var.h
*/
#ifndef __BTREE_UTILS_VAR_H__
#define __BTREE_UTILS_VAR_H__
#include "access/gist.h"
#include "btree_gist.h"
#include "mb/pg_wchar.h"
/* Variable length key */
typedef bytea GBT_VARKEY;
/* Better readable key */
typedef struct
{
bytea *lower,
*upper;
} GBT_VARKEY_R;
/*
* type description
*/
typedef struct
{
/* Attribs */
enum gbtree_type t; /* data type */
int32 eml; /* cached pg_database_encoding_max_length (0:
* undefined) */
bool trnc; /* truncate (=compress) key */
/* Methods */
bool (*f_gt) (const void *, const void *, Oid, FmgrInfo *); /* greater than */
bool (*f_ge) (const void *, const void *, Oid, FmgrInfo *); /* greater equal */
bool (*f_eq) (const void *, const void *, Oid, FmgrInfo *); /* equal */
bool (*f_le) (const void *, const void *, Oid, FmgrInfo *); /* less equal */
bool (*f_lt) (const void *, const void *, Oid, FmgrInfo *); /* less than */
int32 (*f_cmp) (const void *, const void *, Oid, FmgrInfo *); /* compare */
GBT_VARKEY *(*f_l2n) (GBT_VARKEY *, FmgrInfo *flinfo); /* convert leaf to node */
} gbtree_vinfo;
extern GBT_VARKEY_R gbt_var_key_readable(const GBT_VARKEY *k);
extern GBT_VARKEY *gbt_var_key_copy(const GBT_VARKEY_R *u);
extern GISTENTRY *gbt_var_compress(GISTENTRY *entry, const gbtree_vinfo *tinfo);
extern GBT_VARKEY *gbt_var_union(const GistEntryVector *entryvec, int32 *size,
Oid collation, const gbtree_vinfo *tinfo, FmgrInfo *flinfo);
extern bool gbt_var_same(Datum d1, Datum d2, Oid collation,
const gbtree_vinfo *tinfo, FmgrInfo *flinfo);
extern float *gbt_var_penalty(float *res, const GISTENTRY *o, const GISTENTRY *n,
Oid collation, const gbtree_vinfo *tinfo, FmgrInfo *flinfo);
extern bool gbt_var_consistent(GBT_VARKEY_R *key, const void *query,
StrategyNumber strategy, Oid collation, bool is_leaf,
const gbtree_vinfo *tinfo, FmgrInfo *flinfo);
extern GIST_SPLITVEC *gbt_var_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v,
Oid collation, const gbtree_vinfo *tinfo, FmgrInfo *flinfo);
extern void gbt_var_bin_union(Datum *u, GBT_VARKEY *e, Oid collation,
const gbtree_vinfo *tinfo, FmgrInfo *flinfo);
#endif