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config
contrib
adddepend
btree_gist
data
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sql
Makefile
README.btree_gist
btree_bit.c
btree_bytea.c
btree_cash.c
btree_date.c
btree_float4.c
btree_float8.c
btree_gist.c
btree_gist.h
btree_gist.sql.in
btree_inet.c
btree_int2.c
btree_int4.c
btree_int8.c
btree_interval.c
btree_macaddr.c
btree_numeric.c
btree_oid.c
btree_text.c
btree_time.c
btree_ts.c
btree_utils_num.c
btree_utils_num.h
btree_utils_var.c
btree_utils_var.h
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GNUmakefile.in
Makefile
README
README.CVS
aclocal.m4
configure
configure.in
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
#include "mb/pg_wchar.h"
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/* Variable length key */
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typedef bytea GBT_VARKEY;
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/* Better readable key */
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typedef struct
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{
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bytea *lower,
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*upper;
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} GBT_VARKEY_R;
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/* used for key sorting */
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typedef struct
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{
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int i;
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GBT_VARKEY *t;
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} Vsrt;
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/*
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type description
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*/
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typedef struct
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{
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/* Attribs */
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enum gbtree_type t; /* data type */
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int32 eml; /* cached pg_database_encoding_max_length (0:
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* undefined) */
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bool trnc; /* truncate (=compress) key */
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/* Methods */
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bool (*f_gt) (const void *, const void *); /* greater then */
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bool (*f_ge) (const void *, const void *); /* greater equal */
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bool (*f_eq) (const void *, const void *); /* equal */
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bool (*f_le) (const void *, const void *); /* less equal */
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bool (*f_lt) (const void *, const void *); /* less then */
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int32 (*f_cmp) (const bytea *, const bytea *); /* node compare */
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GBT_VARKEY *(*f_l2n) (GBT_VARKEY *); /* convert leaf to node */
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} gbtree_vinfo;
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extern GBT_VARKEY_R gbt_var_key_readable(const GBT_VARKEY * k);
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extern GBT_VARKEY *gbt_var_key_copy(const GBT_VARKEY_R * u, bool force_node);
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extern GISTENTRY *gbt_var_compress(GISTENTRY *entry, const gbtree_vinfo * tinfo);
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extern GBT_VARKEY *gbt_var_union(const GistEntryVector *entryvec, int32 *size,
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const gbtree_vinfo * tinfo);
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extern bool gbt_var_same(bool *result, const Datum d1, const Datum d2,
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const gbtree_vinfo * tinfo);
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extern float *gbt_var_penalty(float *res, const GISTENTRY *o, const GISTENTRY *n,
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const gbtree_vinfo * tinfo);
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extern bool gbt_var_consistent(GBT_VARKEY_R * key, const void *query,
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const StrategyNumber *strategy, bool is_leaf,
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const gbtree_vinfo * tinfo);
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extern GIST_SPLITVEC *gbt_var_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v,
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const gbtree_vinfo * tinfo);
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extern void gbt_var_bin_union(Datum *u, GBT_VARKEY * e,
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const gbtree_vinfo * tinfo);
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