Adding upstream version 14.5.upstream/14.5upstream

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

1 files changed, 334 insertions, 0 deletions

diff --git a/contrib/btree_gist/btree_time.c b/contrib/btree_gist/btree_time.c
new file mode 100644
index 0000000..fd8774a
--- /dev/null
+++ b/contrib/btree_gist/btree_time.c
@@ -0,0 +1,334 @@
+/*
+ * contrib/btree_gist/btree_time.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "utils/builtins.h"
+#include "utils/date.h"
+#include "utils/timestamp.h"
+
+typedef struct
+{
+	TimeADT		lower;
+	TimeADT		upper;
+} timeKEY;
+
+/*
+** time ops
+*/
+PG_FUNCTION_INFO_V1(gbt_time_compress);
+PG_FUNCTION_INFO_V1(gbt_timetz_compress);
+PG_FUNCTION_INFO_V1(gbt_time_fetch);
+PG_FUNCTION_INFO_V1(gbt_time_union);
+PG_FUNCTION_INFO_V1(gbt_time_picksplit);
+PG_FUNCTION_INFO_V1(gbt_time_consistent);
+PG_FUNCTION_INFO_V1(gbt_time_distance);
+PG_FUNCTION_INFO_V1(gbt_timetz_consistent);
+PG_FUNCTION_INFO_V1(gbt_time_penalty);
+PG_FUNCTION_INFO_V1(gbt_time_same);
+
+
+#ifdef USE_FLOAT8_BYVAL
+#define TimeADTGetDatumFast(X) TimeADTGetDatum(X)
+#else
+#define TimeADTGetDatumFast(X) PointerGetDatum(&(X))
+#endif
+
+
+static bool
+gbt_timegt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	const TimeADT *aa = (const TimeADT *) a;
+	const TimeADT *bb = (const TimeADT *) b;
+
+	return DatumGetBool(DirectFunctionCall2(time_gt,
+											TimeADTGetDatumFast(*aa),
+											TimeADTGetDatumFast(*bb)));
+}
+
+static bool
+gbt_timege(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	const TimeADT *aa = (const TimeADT *) a;
+	const TimeADT *bb = (const TimeADT *) b;
+
+	return DatumGetBool(DirectFunctionCall2(time_ge,
+											TimeADTGetDatumFast(*aa),
+											TimeADTGetDatumFast(*bb)));
+}
+
+static bool
+gbt_timeeq(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	const TimeADT *aa = (const TimeADT *) a;
+	const TimeADT *bb = (const TimeADT *) b;
+
+	return DatumGetBool(DirectFunctionCall2(time_eq,
+											TimeADTGetDatumFast(*aa),
+											TimeADTGetDatumFast(*bb)));
+}
+
+static bool
+gbt_timele(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	const TimeADT *aa = (const TimeADT *) a;
+	const TimeADT *bb = (const TimeADT *) b;
+
+	return DatumGetBool(DirectFunctionCall2(time_le,
+											TimeADTGetDatumFast(*aa),
+											TimeADTGetDatumFast(*bb)));
+}
+
+static bool
+gbt_timelt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	const TimeADT *aa = (const TimeADT *) a;
+	const TimeADT *bb = (const TimeADT *) b;
+
+	return DatumGetBool(DirectFunctionCall2(time_lt,
+											TimeADTGetDatumFast(*aa),
+											TimeADTGetDatumFast(*bb)));
+}
+
+
+
+static int
+gbt_timekey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	timeKEY    *ia = (timeKEY *) (((const Nsrt *) a)->t);
+	timeKEY    *ib = (timeKEY *) (((const Nsrt *) b)->t);
+	int			res;
+
+	res = DatumGetInt32(DirectFunctionCall2(time_cmp, TimeADTGetDatumFast(ia->lower), TimeADTGetDatumFast(ib->lower)));
+	if (res == 0)
+		return DatumGetInt32(DirectFunctionCall2(time_cmp, TimeADTGetDatumFast(ia->upper), TimeADTGetDatumFast(ib->upper)));
+
+	return res;
+}
+
+static float8
+gbt_time_dist(const void *a, const void *b, FmgrInfo *flinfo)
+{
+	const TimeADT *aa = (const TimeADT *) a;
+	const TimeADT *bb = (const TimeADT *) b;
+	Interval   *i;
+
+	i = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
+											  TimeADTGetDatumFast(*aa),
+											  TimeADTGetDatumFast(*bb)));
+	return (float8) Abs(INTERVAL_TO_SEC(i));
+}
+
+
+static const gbtree_ninfo tinfo =
+{
+	gbt_t_time,
+	sizeof(TimeADT),
+	16,							/* sizeof(gbtreekey16) */
+	gbt_timegt,
+	gbt_timege,
+	gbt_timeeq,
+	gbt_timele,
+	gbt_timelt,
+	gbt_timekey_cmp,
+	gbt_time_dist
+};
+
+
+PG_FUNCTION_INFO_V1(time_dist);
+Datum
+time_dist(PG_FUNCTION_ARGS)
+{
+	Datum		diff = DirectFunctionCall2(time_mi_time,
+										   PG_GETARG_DATUM(0),
+										   PG_GETARG_DATUM(1));
+
+	PG_RETURN_INTERVAL_P(abs_interval(DatumGetIntervalP(diff)));
+}
+
+
+/**************************************************
+ * time ops
+ **************************************************/
+
+
+
+Datum
+gbt_time_compress(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
+}
+
+
+Datum
+gbt_timetz_compress(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	GISTENTRY  *retval;
+
+	if (entry->leafkey)
+	{
+		timeKEY    *r = (timeKEY *) palloc(sizeof(timeKEY));
+		TimeTzADT  *tz = DatumGetTimeTzADTP(entry->key);
+		TimeADT		tmp;
+
+		retval = palloc(sizeof(GISTENTRY));
+
+		/* We are using the time + zone only to compress */
+		tmp = tz->time + (tz->zone * INT64CONST(1000000));
+		r->lower = r->upper = tmp;
+		gistentryinit(*retval, PointerGetDatum(r),
+					  entry->rel, entry->page,
+					  entry->offset, false);
+	}
+	else
+		retval = entry;
+	PG_RETURN_POINTER(retval);
+}
+
+Datum
+gbt_time_fetch(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+	PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
+}
+
+Datum
+gbt_time_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	TimeADT		query = PG_GETARG_TIMEADT(1);
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	timeKEY    *kkk = (timeKEY *) 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_time_distance(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	TimeADT		query = PG_GETARG_TIMEADT(1);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	timeKEY    *kkk = (timeKEY *) 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_timetz_consistent(PG_FUNCTION_ARGS)
+{
+	GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+	TimeTzADT  *query = PG_GETARG_TIMETZADT_P(1);
+	StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+	/* Oid		subtype = PG_GETARG_OID(3); */
+	bool	   *recheck = (bool *) PG_GETARG_POINTER(4);
+	timeKEY    *kkk = (timeKEY *) DatumGetPointer(entry->key);
+	TimeADT		qqq;
+	GBT_NUMKEY_R key;
+
+	/* All cases served by this function are inexact */
+	*recheck = true;
+
+	qqq = query->time + (query->zone * INT64CONST(1000000));
+
+	key.lower = (GBT_NUMKEY *) &kkk->lower;
+	key.upper = (GBT_NUMKEY *) &kkk->upper;
+
+	PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) &qqq, &strategy,
+									  GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_time_union(PG_FUNCTION_ARGS)
+{
+	GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+	void	   *out = palloc(sizeof(timeKEY));
+
+	*(int *) PG_GETARG_POINTER(1) = sizeof(timeKEY);
+	PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_time_penalty(PG_FUNCTION_ARGS)
+{
+	timeKEY    *origentry = (timeKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+	timeKEY    *newentry = (timeKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
+	float	   *result = (float *) PG_GETARG_POINTER(2);
+	Interval   *intr;
+	double		res;
+	double		res2;
+
+	intr = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
+												 TimeADTGetDatumFast(newentry->upper),
+												 TimeADTGetDatumFast(origentry->upper)));
+	res = INTERVAL_TO_SEC(intr);
+	res = Max(res, 0);
+
+	intr = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
+												 TimeADTGetDatumFast(origentry->lower),
+												 TimeADTGetDatumFast(newentry->lower)));
+	res2 = INTERVAL_TO_SEC(intr);
+	res2 = Max(res2, 0);
+
+	res += res2;
+
+	*result = 0.0;
+
+	if (res > 0)
+	{
+		intr = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
+													 TimeADTGetDatumFast(origentry->upper),
+													 TimeADTGetDatumFast(origentry->lower)));
+		*result += FLT_MIN;
+		*result += (float) (res / (res + INTERVAL_TO_SEC(intr)));
+		*result *= (FLT_MAX / (((GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1));
+	}
+
+	PG_RETURN_POINTER(result);
+}
+
+
+Datum
+gbt_time_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_time_same(PG_FUNCTION_ARGS)
+{
+	timeKEY    *b1 = (timeKEY *) PG_GETARG_POINTER(0);
+	timeKEY    *b2 = (timeKEY *) 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);
+}