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, 196 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_interval.c b/contrib/btree_gist/btree_interval.c
new file mode 100644
index 0000000000..74f7624e1e
--- /dev/null
+++ b/contrib/btree_gist/btree_interval.c
@@ -0,0 +1,196 @@
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+
+typedef struct
+{
+   Interval    lower,
+               upper;
+}   intvKEY;
+
+
+/*
+** Interval ops
+*/
+PG_FUNCTION_INFO_V1(gbt_intv_compress);
+PG_FUNCTION_INFO_V1(gbt_intv_union);
+PG_FUNCTION_INFO_V1(gbt_intv_picksplit);
+PG_FUNCTION_INFO_V1(gbt_intv_consistent);
+PG_FUNCTION_INFO_V1(gbt_intv_penalty);
+PG_FUNCTION_INFO_V1(gbt_intv_same);
+
+Datum    gbt_intv_compress(PG_FUNCTION_ARGS);
+Datum    gbt_intv_union(PG_FUNCTION_ARGS);
+Datum    gbt_intv_picksplit(PG_FUNCTION_ARGS);
+Datum    gbt_intv_consistent(PG_FUNCTION_ARGS);
+Datum    gbt_intv_penalty(PG_FUNCTION_ARGS);
+Datum    gbt_intv_same(PG_FUNCTION_ARGS);
+
+
+static bool     gbt_intvgt     (const void *a, const void *b)
+{
+   return DirectFunctionCall2 ( interval_gt , IntervalPGetDatum ( a ) , IntervalPGetDatum ( b ) );
+}
+
+static bool     gbt_intvge     (const void *a, const void *b)
+{
+   return DirectFunctionCall2 ( interval_ge , IntervalPGetDatum ( a ) , IntervalPGetDatum ( b ) );
+}
+
+static bool     gbt_intveq     (const void *a, const void *b)
+{
+   return DirectFunctionCall2 ( interval_eq , IntervalPGetDatum ( a ) , IntervalPGetDatum ( b ) );
+}
+
+static bool     gbt_intvle     (const void *a, const void *b)
+{
+   return DirectFunctionCall2 ( interval_le , IntervalPGetDatum ( a ) , IntervalPGetDatum ( b ) );
+}
+
+static bool     gbt_intvlt     (const void *a, const void *b)
+{
+   return DirectFunctionCall2 ( interval_lt , IntervalPGetDatum ( a ) , IntervalPGetDatum ( b ) );
+}
+
+static int
+gbt_intvkey_cmp(const void *a, const void *b)
+{
+  return DatumGetInt32 ( 
+     DirectFunctionCall2 ( interval_cmp ,
+       IntervalPGetDatum(&((Nsrt *) a)->t[0]) ,
+       IntervalPGetDatum(&((Nsrt *) b)->t[0])
+     ) 
+   );
+}
+
+static const gbtree_ninfo tinfo = 
+{
+  gbt_t_intv,
+  sizeof(Interval),
+  gbt_intvgt,
+  gbt_intvge,
+  gbt_intveq,
+  gbt_intvle,
+  gbt_intvlt,
+  gbt_intvkey_cmp
+};
+
+
+/**************************************************
+ * interval ops
+ **************************************************/
+
+
+Datum
+gbt_intv_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_intv_consistent(PG_FUNCTION_ARGS)
+{
+    GISTENTRY        *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+    Interval         *query = PG_GETARG_INTERVAL_P(1);
+    intvKEY            *kkk = (intvKEY *) 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_intv_union(PG_FUNCTION_ARGS)
+{
+    GistEntryVector     *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+    void                     *out = palloc(sizeof(intvKEY));
+    *(int *) PG_GETARG_POINTER(1) = sizeof(intvKEY);
+    PG_RETURN_POINTER( gbt_num_union ( (void*)out, entryvec, &tinfo ) );
+}
+
+
+Datum
+gbt_intv_penalty(PG_FUNCTION_ARGS)
+{
+  intvKEY    *origentry = (intvKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+  intvKEY    *newentry  = (intvKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
+  float         *result = (float *) PG_GETARG_POINTER(2);
+  Interval   *intr;
+#ifdef HAVE_INT64_TIMESTAMP
+  int64      res;
+#else
+  double     res;
+#endif
+
+  intr = DatumGetIntervalP(DirectFunctionCall2(
+            interval_mi,
+            IntervalPGetDatum(&newentry->upper),
+            IntervalPGetDatum(&origentry->upper)
+  ));
+
+  /* see interval_larger */
+
+  res  = Max(intr->time + intr->month * (30 * 86400), 0);
+  pfree(intr);
+
+  intr = DatumGetIntervalP(DirectFunctionCall2(   
+            interval_mi,
+            IntervalPGetDatum(&origentry->lower),
+            IntervalPGetDatum(&newentry->lower)
+  ));
+
+  /* see interval_larger */
+  res += Max(intr->time + intr->month * (30 * 86400), 0);
+  pfree(intr);
+
+  *result = 0.0;
+
+  if ( res > 0 ){
+
+    intr = DatumGetIntervalP(DirectFunctionCall2(   
+              interval_mi,
+              IntervalPGetDatum(&origentry->upper),
+              IntervalPGetDatum(&origentry->lower)
+    ));
+
+    *result += FLT_MIN ;
+    *result += (float) ( res / ( (double) ( res + intr->time + intr->month * (30 * 86400) ) ) );
+    *result *= ( FLT_MAX / ( ( (GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1 ) );
+    
+    pfree ( intr );
+
+  }
+
+  PG_RETURN_POINTER(result);
+
+
+}
+
+Datum
+gbt_intv_picksplit(PG_FUNCTION_ARGS)
+{
+  PG_RETURN_POINTER(gbt_num_picksplit(
+      (GistEntryVector *) PG_GETARG_POINTER(0),
+      (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
+      &tinfo
+  ));
+}
+
+Datum
+gbt_intv_same(PG_FUNCTION_ARGS)
+{
+  intvKEY    *b1 = (intvKEY *) PG_GETARG_POINTER(0);
+  intvKEY    *b2 = (intvKEY *) PG_GETARG_POINTER(1);
+  bool     *result = (bool *) PG_GETARG_POINTER(2);
+
+  *result  = gbt_num_same ( (void*)b1, (void*)b2, &tinfo );
+  PG_RETURN_POINTER(result);
+}
+