Adding upstream version 15.5.upstream/15.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 217 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_int8.c b/contrib/btree_gist/btree_int8.c
new file mode 100644
index 0000000..df2b0d1
--- /dev/null
+++ b/contrib/btree_gist/btree_int8.c
@@ -0,0 +1,217 @@
+/*
+ * contrib/btree_gist/btree_int8.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "common/int.h"
+
+typedef struct int64key
+{
+	int64		lower;
+	int64		upper;
+} int64KEY;
+
+/*
+** int64 ops
+*/
+PG_FUNCTION_INFO_V1(gbt_int8_compress);
+PG_FUNCTION_INFO_V1(gbt_int8_fetch);
+PG_FUNCTION_INFO_V1(gbt_int8_union);
+PG_FUNCTION_INFO_V1(gbt_int8_picksplit);
+PG_FUNCTION_INFO_V1(gbt_int8_consistent);
+PG_FUNCTION_INFO_V1(gbt_int8_distance);
+PG_FUNCTION_INFO_V1(gbt_int8_penalty);
+PG_FUNCTION_INFO_V1(gbt_int8_same);
+
+
+static bool
+gbt_int8gt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const int64 *) a) > *((const int64 *) b));
+}
+static bool
+gbt_int8ge(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const int64 *) a) >= *((const int64 *) b));
+}
+static bool
+gbt_int8eq(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const int64 *) a) == *((const int64 *) b));
+}
+static bool
+gbt_int8le(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const int64 *) a) <= *((const int64 *) b));
+}
+static bool
+gbt_int8lt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const int64 *) a) < *((const int64 *) b));
+}
+
+static int
+gbt_int8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	int64KEY   *ia = (int64KEY *) (((const Nsrt *) a)->t);
+	int64KEY   *ib = (int64KEY *) (((const Nsrt *) b)->t);
+
+	if (ia->lower == ib->lower)
+	{
+		if (ia->upper == ib->upper)
+			return 0;
+
+		return (ia->upper > ib->upper) ? 1 : -1;
+	}
+
+	return (ia->lower > ib->lower) ? 1 : -1;
+}
+
+static float8
+gbt_int8_dist(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return GET_FLOAT_DISTANCE(int64, a, b);
+}
+
+
+static const gbtree_ninfo tinfo =
+{
+	gbt_t_int8,
+	sizeof(int64),
+	16,							/* sizeof(gbtreekey16) */
+	gbt_int8gt,
+	gbt_int8ge,
+	gbt_int8eq,
+	gbt_int8le,
+	gbt_int8lt,
+	gbt_int8key_cmp,
+	gbt_int8_dist
+};
+
+
+PG_FUNCTION_INFO_V1(int8_dist);
+Datum
+int8_dist(PG_FUNCTION_ARGS)
+{
+	int64		a = PG_GETARG_INT64(0);
+	int64		b = PG_GETARG_INT64(1);
+	int64		r;
+	int64		ra;
+
+	if (pg_sub_s64_overflow(a, b, &r) ||
+		r == PG_INT64_MIN)
+		ereport(ERROR,
+				(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
+				 errmsg("bigint out of range")));
+
+	ra = Abs(r);
+
+	PG_RETURN_INT64(ra);
+}
+
+
+/**************************************************
+ * int64 ops
+ **************************************************/
+
+
+Datum
+gbt_int8_compress(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
+}
+
+Datum
+gbt_int8_fetch(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
+}
+
+Datum
+gbt_int8_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	int64		query = PG_GETARG_INT64(1);
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	int64KEY   *kkk = (int64KEY *) DatumGetPointer(entry->key);
+	GBT_NUMKEY_R key;
+
+	/* All cases served by this function are exact */
+	*recheck = false;
+
+	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, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_int8_distance(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	int64		query = PG_GETARG_INT64(1);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	int64KEY   *kkk = (int64KEY *) DatumGetPointer(entry->key);
+	GBT_NUMKEY_R key;
+
+	key.lower = (GBT_NUMKEY *) &kkk->lower;
+	key.upper = (GBT_NUMKEY *) &kkk->upper;
+
+	PG_RETURN_FLOAT8(gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry),
+									  &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_int8_union(PG_FUNCTION_ARGS)
+{
+	GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+	void	   *out = palloc(sizeof(int64KEY));
+
+	*(int *) PG_GETARG_POINTER(1) = sizeof(int64KEY);
+	PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_int8_penalty(PG_FUNCTION_ARGS)
+{
+	int64KEY   *origentry = (int64KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+	int64KEY   *newentry = (int64KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
+	float	   *result = (float *) PG_GETARG_POINTER(2);
+
+	penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
+
+	PG_RETURN_POINTER(result);
+}
+
+Datum
+gbt_int8_picksplit(PG_FUNCTION_ARGS)
+{
+	PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
+										(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
+										&tinfo, fcinfo->flinfo));
+}
+
+Datum
+gbt_int8_same(PG_FUNCTION_ARGS)
+{
+	int64KEY   *b1 = (int64KEY *) PG_GETARG_POINTER(0);
+	int64KEY   *b2 = (int64KEY *) PG_GETARG_POINTER(1);
+	bool	   *result = (bool *) PG_GETARG_POINTER(2);
+
+	*result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
+	PG_RETURN_POINTER(result);
+}