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

1 files changed, 183 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_macaddr.c b/contrib/btree_gist/btree_macaddr.c
new file mode 100644
index 00000000000..25531eafb4b
--- /dev/null
+++ b/contrib/btree_gist/btree_macaddr.c
@@ -0,0 +1,183 @@
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "utils/builtins.h"
+#include "utils/inet.h"
+
+typedef struct
+{
+   macaddr    lower;
+   macaddr    upper;
+}  macKEY;
+
+/*
+** OID ops
+*/
+PG_FUNCTION_INFO_V1(gbt_macad_compress);
+PG_FUNCTION_INFO_V1(gbt_macad_union);
+PG_FUNCTION_INFO_V1(gbt_macad_picksplit);
+PG_FUNCTION_INFO_V1(gbt_macad_consistent);
+PG_FUNCTION_INFO_V1(gbt_macad_penalty);
+PG_FUNCTION_INFO_V1(gbt_macad_same);
+
+Datum    gbt_macad_compress(PG_FUNCTION_ARGS);
+Datum    gbt_macad_union(PG_FUNCTION_ARGS);
+Datum    gbt_macad_picksplit(PG_FUNCTION_ARGS);
+Datum    gbt_macad_consistent(PG_FUNCTION_ARGS);
+Datum    gbt_macad_penalty(PG_FUNCTION_ARGS);
+Datum    gbt_macad_same(PG_FUNCTION_ARGS);
+
+
+static bool     gbt_macadgt     (const void *a, const void *b)
+{
+  return DatumGetBool(DirectFunctionCall2(macaddr_gt,PointerGetDatum(a),PointerGetDatum(b)));
+}
+static bool     gbt_macadge     (const void *a, const void *b)
+{
+  return DatumGetBool(DirectFunctionCall2(macaddr_ge,PointerGetDatum(a),PointerGetDatum(b)));
+}
+
+static bool     gbt_macadeq     (const void *a, const void *b)
+{
+  return DatumGetBool(DirectFunctionCall2(macaddr_eq,PointerGetDatum(a),PointerGetDatum(b)));
+}
+
+static bool     gbt_macadle     (const void *a, const void *b)
+{
+  return DatumGetBool(DirectFunctionCall2(macaddr_le,PointerGetDatum(a),PointerGetDatum(b)));
+}
+
+static bool     gbt_macadlt     (const void *a, const void *b)
+{
+  return DatumGetBool(DirectFunctionCall2(macaddr_lt,PointerGetDatum(a),PointerGetDatum(b)));
+}
+
+
+static int
+gbt_macadkey_cmp(const void *a, const void *b)
+{
+        return DatumGetInt32(
+            DirectFunctionCall2(
+              macaddr_cmp ,
+              PointerGetDatum (&((Nsrt *) a)->t[0]),
+              PointerGetDatum (&((Nsrt *) b)->t[0])
+            )
+        );
+}
+
+
+static const gbtree_ninfo tinfo = 
+{ 
+  gbt_t_macad,
+  sizeof(macaddr),
+  gbt_macadgt,
+  gbt_macadge,
+  gbt_macadeq,
+  gbt_macadle,
+  gbt_macadlt,
+  gbt_macadkey_cmp
+};
+
+
+/**************************************************
+ * macaddr ops
+ **************************************************/
+
+
+
+static int64 mac_2_int64  ( macaddr * m ){
+   unsigned char * mi = ( unsigned char * ) m;
+   int64    res = 0;
+   int i;
+   for (i=0; i<6; i++ ){
+     res += mi[i] << ( (5-i)*8 );
+   }
+   return res;
+}
+
+
+
+Datum
+gbt_macad_compress(PG_FUNCTION_ARGS)
+{
+    GISTENTRY  *entry  = (GISTENTRY *) PG_GETARG_POINTER(0);
+    GISTENTRY  *retval = NULL;
+    PG_RETURN_POINTER( gbt_num_compress( retval , entry , &tinfo ));
+}
+
+
+Datum
+gbt_macad_consistent(PG_FUNCTION_ARGS)
+{
+    GISTENTRY        *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+    macaddr          *query = (macaddr *) PG_GETARG_POINTER(1);
+    macKEY             *kkk = (macKEY *) DatumGetPointer(entry->key);
+    GBT_NUMKEY_R        key ;
+    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+    key.lower = (GBT_NUMKEY*) &kkk->lower ;
+    key.upper = (GBT_NUMKEY*) &kkk->upper ;
+
+    PG_RETURN_BOOL( 
+      gbt_num_consistent( &key, (void*)query,&strategy,GIST_LEAF(entry),&tinfo)
+    );
+}
+
+
+Datum
+gbt_macad_union(PG_FUNCTION_ARGS)
+{
+    GistEntryVector     *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+    void                     *out = palloc(sizeof(macKEY));
+    *(int *) PG_GETARG_POINTER(1) = sizeof(macKEY);
+    PG_RETURN_POINTER( gbt_num_union ( (void*)out, entryvec, &tinfo ) );
+}
+
+
+Datum
+gbt_macad_penalty(PG_FUNCTION_ARGS)
+{
+        macKEY    *origentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+        macKEY    *newentry  = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
+        float      *result   = (float *) PG_GETARG_POINTER(2);
+        int64      iorg[2], inew[2], res ;
+
+        iorg[0] =  mac_2_int64 ( &origentry->lower );
+        iorg[1] =  mac_2_int64 ( &origentry->upper );
+        inew[0] =  mac_2_int64 ( &newentry->lower  );
+        inew[1] =  mac_2_int64 ( &newentry->upper  );
+
+        res = Max(inew[1] - iorg[1], 0) +
+                Max(iorg[0] - inew[0] , 0);
+
+        *result = 0.0;
+
+        if ( res > 0 ){
+          *result += FLT_MIN ;
+          *result += (float) ( res / ( (double) ( res + iorg[1] - iorg[0] ) ) );
+          *result *= ( FLT_MAX / ( ( (GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1 ) );
+        }
+
+        PG_RETURN_POINTER(result);
+
+}
+
+Datum
+gbt_macad_picksplit(PG_FUNCTION_ARGS)
+{
+  PG_RETURN_POINTER(gbt_num_picksplit(
+      (GistEntryVector *) PG_GETARG_POINTER(0),
+      (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
+      &tinfo
+  ));
+}
+
+Datum
+gbt_macad_same(PG_FUNCTION_ARGS)
+{
+  macKEY    *b1 = (macKEY *) PG_GETARG_POINTER(0);
+  macKEY    *b2 = (macKEY *) PG_GETARG_POINTER(1);
+  bool     *result = (bool *) PG_GETARG_POINTER(2);
+
+  *result  = gbt_num_same ( (void*)b1, (void*)b2, &tinfo );
+  PG_RETURN_POINTER(result);
+}
+