mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-07-19 17:41:10 +02:00
e7128e8dbb
Because of gcc -Wmissing-prototypes, all functions in dynamically loadable modules must have a separate prototype declaration. This is meant to detect global functions that are not declared in header files, but in cases where the function is called via dfmgr, this is redundant. Besides filling up space with boilerplate, this is a frequent source of compiler warnings in extension modules. We can fix that by creating the function prototype as part of the PG_FUNCTION_INFO_V1 macro, which such modules have to use anyway. That makes the code of modules cleaner, because there is one less place where the entry points have to be listed, and creates an additional check that functions have the right prototype. Remove now redundant prototypes from contrib and other modules.
420 lines
9.5 KiB
C
420 lines
9.5 KiB
C
/*
|
|
* contrib/btree_gist/btree_ts.c
|
|
*/
|
|
#include "postgres.h"
|
|
|
|
#include "btree_gist.h"
|
|
#include "btree_utils_num.h"
|
|
#include "utils/builtins.h"
|
|
#include "utils/datetime.h"
|
|
|
|
typedef struct
|
|
{
|
|
Timestamp lower;
|
|
Timestamp upper;
|
|
} tsKEY;
|
|
|
|
/*
|
|
** timestamp ops
|
|
*/
|
|
PG_FUNCTION_INFO_V1(gbt_ts_compress);
|
|
PG_FUNCTION_INFO_V1(gbt_tstz_compress);
|
|
PG_FUNCTION_INFO_V1(gbt_ts_union);
|
|
PG_FUNCTION_INFO_V1(gbt_ts_picksplit);
|
|
PG_FUNCTION_INFO_V1(gbt_ts_consistent);
|
|
PG_FUNCTION_INFO_V1(gbt_ts_distance);
|
|
PG_FUNCTION_INFO_V1(gbt_tstz_consistent);
|
|
PG_FUNCTION_INFO_V1(gbt_tstz_distance);
|
|
PG_FUNCTION_INFO_V1(gbt_ts_penalty);
|
|
PG_FUNCTION_INFO_V1(gbt_ts_same);
|
|
|
|
|
|
#ifdef USE_FLOAT8_BYVAL
|
|
#define TimestampGetDatumFast(X) TimestampGetDatum(X)
|
|
#else
|
|
#define TimestampGetDatumFast(X) PointerGetDatum(&(X))
|
|
#endif
|
|
|
|
|
|
static bool
|
|
gbt_tsgt(const void *a, const void *b)
|
|
{
|
|
const Timestamp *aa = (const Timestamp *) a;
|
|
const Timestamp *bb = (const Timestamp *) b;
|
|
|
|
return DatumGetBool(DirectFunctionCall2(timestamp_gt,
|
|
TimestampGetDatumFast(*aa),
|
|
TimestampGetDatumFast(*bb)));
|
|
}
|
|
|
|
static bool
|
|
gbt_tsge(const void *a, const void *b)
|
|
{
|
|
const Timestamp *aa = (const Timestamp *) a;
|
|
const Timestamp *bb = (const Timestamp *) b;
|
|
|
|
return DatumGetBool(DirectFunctionCall2(timestamp_ge,
|
|
TimestampGetDatumFast(*aa),
|
|
TimestampGetDatumFast(*bb)));
|
|
}
|
|
|
|
static bool
|
|
gbt_tseq(const void *a, const void *b)
|
|
{
|
|
const Timestamp *aa = (const Timestamp *) a;
|
|
const Timestamp *bb = (const Timestamp *) b;
|
|
|
|
return DatumGetBool(DirectFunctionCall2(timestamp_eq,
|
|
TimestampGetDatumFast(*aa),
|
|
TimestampGetDatumFast(*bb)));
|
|
}
|
|
|
|
static bool
|
|
gbt_tsle(const void *a, const void *b)
|
|
{
|
|
const Timestamp *aa = (const Timestamp *) a;
|
|
const Timestamp *bb = (const Timestamp *) b;
|
|
|
|
return DatumGetBool(DirectFunctionCall2(timestamp_le,
|
|
TimestampGetDatumFast(*aa),
|
|
TimestampGetDatumFast(*bb)));
|
|
}
|
|
|
|
static bool
|
|
gbt_tslt(const void *a, const void *b)
|
|
{
|
|
const Timestamp *aa = (const Timestamp *) a;
|
|
const Timestamp *bb = (const Timestamp *) b;
|
|
|
|
return DatumGetBool(DirectFunctionCall2(timestamp_lt,
|
|
TimestampGetDatumFast(*aa),
|
|
TimestampGetDatumFast(*bb)));
|
|
}
|
|
|
|
|
|
static int
|
|
gbt_tskey_cmp(const void *a, const void *b)
|
|
{
|
|
tsKEY *ia = (tsKEY *) (((const Nsrt *) a)->t);
|
|
tsKEY *ib = (tsKEY *) (((const Nsrt *) b)->t);
|
|
int res;
|
|
|
|
res = DatumGetInt32(DirectFunctionCall2(timestamp_cmp, TimestampGetDatumFast(ia->lower), TimestampGetDatumFast(ib->lower)));
|
|
if (res == 0)
|
|
return DatumGetInt32(DirectFunctionCall2(timestamp_cmp, TimestampGetDatumFast(ia->upper), TimestampGetDatumFast(ib->upper)));
|
|
|
|
return res;
|
|
}
|
|
|
|
static float8
|
|
gbt_ts_dist(const void *a, const void *b)
|
|
{
|
|
const Timestamp *aa = (const Timestamp *) a;
|
|
const Timestamp *bb = (const Timestamp *) b;
|
|
Interval *i;
|
|
|
|
if (TIMESTAMP_NOT_FINITE(*aa) || TIMESTAMP_NOT_FINITE(*bb))
|
|
return get_float8_infinity();
|
|
|
|
i = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
|
|
TimestampGetDatumFast(*aa),
|
|
TimestampGetDatumFast(*bb)));
|
|
return (float8) Abs(INTERVAL_TO_SEC(i));
|
|
}
|
|
|
|
|
|
static const gbtree_ninfo tinfo =
|
|
{
|
|
gbt_t_ts,
|
|
sizeof(Timestamp),
|
|
gbt_tsgt,
|
|
gbt_tsge,
|
|
gbt_tseq,
|
|
gbt_tsle,
|
|
gbt_tslt,
|
|
gbt_tskey_cmp,
|
|
gbt_ts_dist
|
|
};
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(ts_dist);
|
|
Datum
|
|
ts_dist(PG_FUNCTION_ARGS)
|
|
{
|
|
Timestamp a = PG_GETARG_TIMESTAMP(0);
|
|
Timestamp b = PG_GETARG_TIMESTAMP(1);
|
|
Interval *r;
|
|
|
|
if (TIMESTAMP_NOT_FINITE(a) || TIMESTAMP_NOT_FINITE(b))
|
|
{
|
|
Interval *p = palloc(sizeof(Interval));
|
|
|
|
p->day = INT_MAX;
|
|
p->month = INT_MAX;
|
|
#ifdef HAVE_INT64_TIMESTAMP
|
|
p->time = INT64CONST(0x7FFFFFFFFFFFFFFF);
|
|
#else
|
|
p->time = DBL_MAX;
|
|
#endif
|
|
PG_RETURN_INTERVAL_P(p);
|
|
}
|
|
else
|
|
r = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
|
|
PG_GETARG_DATUM(0),
|
|
PG_GETARG_DATUM(1)));
|
|
PG_RETURN_INTERVAL_P(abs_interval(r));
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(tstz_dist);
|
|
Datum
|
|
tstz_dist(PG_FUNCTION_ARGS)
|
|
{
|
|
TimestampTz a = PG_GETARG_TIMESTAMPTZ(0);
|
|
TimestampTz b = PG_GETARG_TIMESTAMPTZ(1);
|
|
Interval *r;
|
|
|
|
if (TIMESTAMP_NOT_FINITE(a) || TIMESTAMP_NOT_FINITE(b))
|
|
{
|
|
Interval *p = palloc(sizeof(Interval));
|
|
|
|
p->day = INT_MAX;
|
|
p->month = INT_MAX;
|
|
#ifdef HAVE_INT64_TIMESTAMP
|
|
p->time = INT64CONST(0x7FFFFFFFFFFFFFFF);
|
|
#else
|
|
p->time = DBL_MAX;
|
|
#endif
|
|
PG_RETURN_INTERVAL_P(p);
|
|
}
|
|
|
|
r = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
|
|
PG_GETARG_DATUM(0),
|
|
PG_GETARG_DATUM(1)));
|
|
PG_RETURN_INTERVAL_P(abs_interval(r));
|
|
}
|
|
|
|
|
|
/**************************************************
|
|
* timestamp ops
|
|
**************************************************/
|
|
|
|
|
|
static Timestamp
|
|
tstz_to_ts_gmt(TimestampTz ts)
|
|
{
|
|
Timestamp gmt;
|
|
int val,
|
|
tz;
|
|
|
|
gmt = ts;
|
|
DecodeSpecial(0, "gmt", &val);
|
|
|
|
if (ts < DT_NOEND && ts > DT_NOBEGIN)
|
|
{
|
|
tz = val * 60;
|
|
|
|
#ifdef HAVE_INT64_TIMESTAMP
|
|
gmt -= (tz * INT64CONST(1000000));
|
|
#else
|
|
gmt -= tz;
|
|
#endif
|
|
}
|
|
return gmt;
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_ts_compress(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
GISTENTRY *retval = NULL;
|
|
|
|
PG_RETURN_POINTER(gbt_num_compress(retval, entry, &tinfo));
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_tstz_compress(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
GISTENTRY *retval;
|
|
|
|
if (entry->leafkey)
|
|
{
|
|
tsKEY *r = (tsKEY *) palloc(sizeof(tsKEY));
|
|
TimestampTz ts = DatumGetTimestampTz(entry->key);
|
|
Timestamp gmt;
|
|
|
|
gmt = tstz_to_ts_gmt(ts);
|
|
|
|
retval = palloc(sizeof(GISTENTRY));
|
|
r->lower = r->upper = gmt;
|
|
gistentryinit(*retval, PointerGetDatum(r),
|
|
entry->rel, entry->page,
|
|
entry->offset, FALSE);
|
|
}
|
|
else
|
|
retval = entry;
|
|
|
|
PG_RETURN_POINTER(retval);
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_ts_consistent(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
Timestamp query = PG_GETARG_TIMESTAMP(1);
|
|
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
|
|
|
|
/* Oid subtype = PG_GETARG_OID(3); */
|
|
bool *recheck = (bool *) PG_GETARG_POINTER(4);
|
|
tsKEY *kkk = (tsKEY *) 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)
|
|
);
|
|
}
|
|
|
|
Datum
|
|
gbt_ts_distance(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
Timestamp query = PG_GETARG_TIMESTAMP(1);
|
|
|
|
/* Oid subtype = PG_GETARG_OID(3); */
|
|
tsKEY *kkk = (tsKEY *) 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)
|
|
);
|
|
}
|
|
|
|
Datum
|
|
gbt_tstz_consistent(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
TimestampTz query = PG_GETARG_TIMESTAMPTZ(1);
|
|
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
|
|
|
|
/* Oid subtype = PG_GETARG_OID(3); */
|
|
bool *recheck = (bool *) PG_GETARG_POINTER(4);
|
|
char *kkk = (char *) DatumGetPointer(entry->key);
|
|
GBT_NUMKEY_R key;
|
|
Timestamp qqq;
|
|
|
|
/* All cases served by this function are exact */
|
|
*recheck = false;
|
|
|
|
key.lower = (GBT_NUMKEY *) &kkk[0];
|
|
key.upper = (GBT_NUMKEY *) &kkk[MAXALIGN(tinfo.size)];
|
|
qqq = tstz_to_ts_gmt(query);
|
|
|
|
PG_RETURN_BOOL(
|
|
gbt_num_consistent(&key, (void *) &qqq, &strategy, GIST_LEAF(entry), &tinfo)
|
|
);
|
|
}
|
|
|
|
Datum
|
|
gbt_tstz_distance(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
TimestampTz query = PG_GETARG_TIMESTAMPTZ(1);
|
|
|
|
/* Oid subtype = PG_GETARG_OID(3); */
|
|
char *kkk = (char *) DatumGetPointer(entry->key);
|
|
GBT_NUMKEY_R key;
|
|
Timestamp qqq;
|
|
|
|
key.lower = (GBT_NUMKEY *) &kkk[0];
|
|
key.upper = (GBT_NUMKEY *) &kkk[MAXALIGN(tinfo.size)];
|
|
qqq = tstz_to_ts_gmt(query);
|
|
|
|
PG_RETURN_FLOAT8(
|
|
gbt_num_distance(&key, (void *) &qqq, GIST_LEAF(entry), &tinfo)
|
|
);
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_ts_union(PG_FUNCTION_ARGS)
|
|
{
|
|
GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
|
|
void *out = palloc(sizeof(tsKEY));
|
|
|
|
*(int *) PG_GETARG_POINTER(1) = sizeof(tsKEY);
|
|
PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo));
|
|
}
|
|
|
|
|
|
#define penalty_check_max_float(val) do { \
|
|
if ( val > FLT_MAX ) \
|
|
val = FLT_MAX; \
|
|
if ( val < -FLT_MAX ) \
|
|
val = -FLT_MAX; \
|
|
} while(false);
|
|
|
|
|
|
Datum
|
|
gbt_ts_penalty(PG_FUNCTION_ARGS)
|
|
{
|
|
tsKEY *origentry = (tsKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
|
|
tsKEY *newentry = (tsKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
|
|
float *result = (float *) PG_GETARG_POINTER(2);
|
|
|
|
double orgdbl[2],
|
|
newdbl[2];
|
|
|
|
/*
|
|
* We are allways using "double" timestamps here. Precision should be good
|
|
* enough.
|
|
*/
|
|
orgdbl[0] = ((double) origentry->lower);
|
|
orgdbl[1] = ((double) origentry->upper);
|
|
newdbl[0] = ((double) newentry->lower);
|
|
newdbl[1] = ((double) newentry->upper);
|
|
|
|
penalty_check_max_float(orgdbl[0]);
|
|
penalty_check_max_float(orgdbl[1]);
|
|
penalty_check_max_float(newdbl[0]);
|
|
penalty_check_max_float(newdbl[1]);
|
|
|
|
penalty_num(result, orgdbl[0], orgdbl[1], newdbl[0], newdbl[1]);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_ts_picksplit(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_RETURN_POINTER(gbt_num_picksplit(
|
|
(GistEntryVector *) PG_GETARG_POINTER(0),
|
|
(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
|
|
&tinfo
|
|
));
|
|
}
|
|
|
|
Datum
|
|
gbt_ts_same(PG_FUNCTION_ARGS)
|
|
{
|
|
tsKEY *b1 = (tsKEY *) PG_GETARG_POINTER(0);
|
|
tsKEY *b2 = (tsKEY *) PG_GETARG_POINTER(1);
|
|
bool *result = (bool *) PG_GETARG_POINTER(2);
|
|
|
|
*result = gbt_num_same((void *) b1, (void *) b2, &tinfo);
|
|
PG_RETURN_POINTER(result);
|
|
}
|