From 42d069886f38687839388c615af608706508b557 Mon Sep 17 00:00:00 2001 From: Teodor Sigaev Date: Fri, 28 May 2004 10:43:32 +0000 Subject: New version. Add support for int2, int8, float4, float8, timestamp with/without time zone, time with/without time zone, date, interval, oid, money and macaddr, char, varchar/text, bytea, numeric, bit, varbit, inet/cidr types for GiST --- contrib/btree_gist/btree_utils_num.h | 62 ++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 contrib/btree_gist/btree_utils_num.h (limited to 'contrib/btree_gist/btree_utils_num.h') diff --git a/contrib/btree_gist/btree_utils_num.h b/contrib/btree_gist/btree_utils_num.h new file mode 100644 index 0000000000..e9e9e9eb23 --- /dev/null +++ b/contrib/btree_gist/btree_utils_num.h @@ -0,0 +1,62 @@ + +typedef char GBT_NUMKEY; + +/* Better readable key */ +typedef struct +{ + const GBT_NUMKEY * lower, * upper; +} GBT_NUMKEY_R; + + +/* for sorting */ +typedef struct +{ + int i; + GBT_NUMKEY * t; +} Nsrt; + + +/* type description */ + +typedef struct +{ + + /* Attribs */ + + enum gbtree_type t ; /* data type */ + int32 size ; /* size of type , 0 means variable */ + + /* Methods */ + + bool (*f_gt) ( const void * , const void * ); /* greater then */ + bool (*f_ge) ( const void * , const void * ); /* greater equal */ + bool (*f_eq) ( const void * , const void * ); /* equal */ + bool (*f_le) ( const void * , const void * ); /* less equal */ + bool (*f_lt) ( const void * , const void * ); /* less then */ + int (*f_cmp) ( const void * , const void * ); /* key compare function */ +} gbtree_ninfo; + + +/* + * Numeric btree functions +*/ + +extern bool gbt_num_consistent( const GBT_NUMKEY_R * key , const void * query, + const StrategyNumber * strategy , bool is_leaf, + const gbtree_ninfo * tinfo ); + +extern GIST_SPLITVEC *gbt_num_picksplit ( const GistEntryVector *entryvec, GIST_SPLITVEC *v, + const gbtree_ninfo * tinfo ); + +extern GISTENTRY *gbt_num_compress( GISTENTRY *retval , GISTENTRY *entry , + const gbtree_ninfo * tinfo ); + + +extern void *gbt_num_union ( GBT_NUMKEY * out, const GistEntryVector * entryvec, + const gbtree_ninfo * tinfo ); + +extern bool gbt_num_same ( const GBT_NUMKEY * a, const GBT_NUMKEY * b, + const gbtree_ninfo * tinfo ); + +extern void gbt_num_bin_union(Datum * u , GBT_NUMKEY * e , + const gbtree_ninfo * tinfo ); -- cgit v1.2.1