From 46651ce6fe013220ed397add242004d764fc0153 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 14:15:05 +0200 Subject: Adding upstream version 14.5. Signed-off-by: Daniel Baumann --- contrib/btree_gist/btree_time.c | 334 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 334 insertions(+) create mode 100644 contrib/btree_gist/btree_time.c (limited to 'contrib/btree_gist/btree_time.c') 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); +} -- cgit v1.2.3