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authorTeodor Sigaev2004-05-28 10:43:32 +0000
committerTeodor Sigaev2004-05-28 10:43:32 +0000
commit42d069886f38687839388c615af608706508b557 (patch)
tree0409615407a17d22e2511ac14745277467853453 /contrib/btree_gist/btree_utils_num.h
parent1a321f26d88e5c64bccba9d36920aede1e201729 (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.h62
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 );