Adding upstream version 15.5.upstream/15.5

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

1 files changed, 169 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_bool.c b/contrib/btree_gist/btree_bool.c
new file mode 100644
index 0000000..8b2af12
--- /dev/null
+++ b/contrib/btree_gist/btree_bool.c
@@ -0,0 +1,169 @@
+/*
+ * contrib/btree_gist/btree_bool.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "common/int.h"
+
+typedef struct boolkey
+{
+	bool		lower;
+	bool		upper;
+} boolKEY;
+
+/*
+** bool ops
+*/
+PG_FUNCTION_INFO_V1(gbt_bool_compress);
+PG_FUNCTION_INFO_V1(gbt_bool_fetch);
+PG_FUNCTION_INFO_V1(gbt_bool_union);
+PG_FUNCTION_INFO_V1(gbt_bool_picksplit);
+PG_FUNCTION_INFO_V1(gbt_bool_consistent);
+PG_FUNCTION_INFO_V1(gbt_bool_penalty);
+PG_FUNCTION_INFO_V1(gbt_bool_same);
+
+static bool
+gbt_boolgt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const bool *) a) > *((const bool *) b));
+}
+static bool
+gbt_boolge(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const bool *) a) >= *((const bool *) b));
+}
+static bool
+gbt_booleq(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const bool *) a) == *((const bool *) b));
+}
+static bool
+gbt_boolle(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const bool *) a) <= *((const bool *) b));
+}
+static bool
+gbt_boollt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	return (*((const bool *) a) < *((const bool *) b));
+}
+
+static int
+gbt_boolkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	boolKEY    *ia = (boolKEY *) (((const Nsrt *) a)->t);
+	boolKEY    *ib = (boolKEY *) (((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 const gbtree_ninfo tinfo =
+{
+	gbt_t_bool,
+	sizeof(bool),
+	2,							/* sizeof(gbtreekey2) */
+	gbt_boolgt,
+	gbt_boolge,
+	gbt_booleq,
+	gbt_boolle,
+	gbt_boollt,
+	gbt_boolkey_cmp,
+};
+
+
+/**************************************************
+ * bool ops
+ **************************************************/
+
+
+Datum
+gbt_bool_compress(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
+}
+
+Datum
+gbt_bool_fetch(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
+}
+
+Datum
+gbt_bool_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	bool		query = PG_GETARG_INT16(1);
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	boolKEY    *kkk = (boolKEY *) 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_bool_union(PG_FUNCTION_ARGS)
+{
+	GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+	void	   *out = palloc(sizeof(boolKEY));
+
+	*(int *) PG_GETARG_POINTER(1) = sizeof(boolKEY);
+	PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_bool_penalty(PG_FUNCTION_ARGS)
+{
+	boolKEY    *origentry = (boolKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+	boolKEY    *newentry = (boolKEY *) 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_bool_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_bool_same(PG_FUNCTION_ARGS)
+{
+	boolKEY    *b1 = (boolKEY *) PG_GETARG_POINTER(0);
+	boolKEY    *b2 = (boolKEY *) 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);
+}