diff options
author | Teodor Sigaev | 2004-05-28 10:43:32 +0000 |
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committer | Teodor Sigaev | 2004-05-28 10:43:32 +0000 |
commit | 42d069886f38687839388c615af608706508b557 (patch) | |
tree | 0409615407a17d22e2511ac14745277467853453 /contrib/btree_gist/btree_utils_num.h | |
parent | 1a321f26d88e5c64bccba9d36920aede1e201729 (diff) |
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
Diffstat (limited to 'contrib/btree_gist/btree_utils_num.h')
-rw-r--r-- | contrib/btree_gist/btree_utils_num.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_utils_num.h b/contrib/btree_gist/btree_utils_num.h new file mode 100644 index 00000000000..e9e9e9eb234 --- /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 ); |