Adding upstream version 15.4.upstream/15.4upstream

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

1 files changed, 217 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_cash.c b/contrib/btree_gist/btree_cash.c
new file mode 100644
index 0000000..6ac97e2
--- /dev/null
+++ b/contrib/btree_gist/btree_cash.c
@@ -0,0 +1,217 @@
+/*
+ * contrib/btree_gist/btree_cash.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "common/int.h"
+#include "utils/cash.h"
+
+typedef struct
+{
+	Cash		lower;
+	Cash		upper;
+} cashKEY;
+
+/*
+** Cash ops
+*/
+PG_FUNCTION_INFO_V1(gbt_cash_compress);
+PG_FUNCTION_INFO_V1(gbt_cash_fetch);
+PG_FUNCTION_INFO_V1(gbt_cash_union);
+PG_FUNCTION_INFO_V1(gbt_cash_picksplit);
+PG_FUNCTION_INFO_V1(gbt_cash_consistent);
+PG_FUNCTION_INFO_V1(gbt_cash_distance);
+PG_FUNCTION_INFO_V1(gbt_cash_penalty);
+PG_FUNCTION_INFO_V1(gbt_cash_same);
+
+static bool
+gbt_cashgt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const Cash *) a) > *((const Cash *) b));
+}
+static bool
+gbt_cashge(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const Cash *) a) >= *((const Cash *) b));
+}
+static bool
+gbt_casheq(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const Cash *) a) == *((const Cash *) b));
+}
+static bool
+gbt_cashle(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const Cash *) a) <= *((const Cash *) b));
+}
+static bool
+gbt_cashlt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const Cash *) a) < *((const Cash *) b));
+}
+
+static int
+gbt_cashkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	cashKEY    *ia = (cashKEY *) (((const Nsrt *) a)->t);
+	cashKEY    *ib = (cashKEY *) (((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_cash_dist(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return GET_FLOAT_DISTANCE(Cash, a, b);
+}
+
+
+static const gbtree_ninfo tinfo =
+{
+	gbt_t_cash,
+	sizeof(Cash),
+	16,							/* sizeof(gbtreekey16) */
+	gbt_cashgt,
+	gbt_cashge,
+	gbt_casheq,
+	gbt_cashle,
+	gbt_cashlt,
+	gbt_cashkey_cmp,
+	gbt_cash_dist
+};
+
+
+PG_FUNCTION_INFO_V1(cash_dist);
+Datum
+cash_dist(PG_FUNCTION_ARGS)
+{
+	Cash		a = PG_GETARG_CASH(0);
+	Cash		b = PG_GETARG_CASH(1);
+	Cash		r;
+	Cash		ra;
+
+	if (pg_sub_s64_overflow(a, b, &r) ||
+		r == PG_INT64_MIN)
+		ereport(ERROR,
+				(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
+				 errmsg("money out of range")));
+
+	ra = Abs(r);
+
+	PG_RETURN_CASH(ra);
+}
+
+/**************************************************
+ * Cash ops
+ **************************************************/
+
+
+Datum
+gbt_cash_compress(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
+}
+
+Datum
+gbt_cash_fetch(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
+}
+
+Datum
+gbt_cash_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	Cash		query = PG_GETARG_CASH(1);
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	cashKEY    *kkk = (cashKEY *) 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_cash_distance(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	Cash		query = PG_GETARG_CASH(1);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	cashKEY    *kkk = (cashKEY *) 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_cash_union(PG_FUNCTION_ARGS)
+{
+	GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+	void	   *out = palloc(sizeof(cashKEY));
+
+	*(int *) PG_GETARG_POINTER(1) = sizeof(cashKEY);
+	PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_cash_penalty(PG_FUNCTION_ARGS)
+{
+	cashKEY    *origentry = (cashKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+	cashKEY    *newentry = (cashKEY *) 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_cash_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_cash_same(PG_FUNCTION_ARGS)
+{
+	cashKEY    *b1 = (cashKEY *) PG_GETARG_POINTER(0);
+	cashKEY    *b2 = (cashKEY *) 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);
+}