#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/timestamp.h"

Include dependency graph for btree_interval.c:

Data Structures
struct	intvKEY
Defines
#define	INTERVALSIZE 16
Functions
	PG_FUNCTION_INFO_V1 (gbt_intv_compress)
	PG_FUNCTION_INFO_V1 (gbt_intv_decompress)
	PG_FUNCTION_INFO_V1 (gbt_intv_union)
	PG_FUNCTION_INFO_V1 (gbt_intv_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_intv_consistent)
	PG_FUNCTION_INFO_V1 (gbt_intv_distance)
	PG_FUNCTION_INFO_V1 (gbt_intv_penalty)
	PG_FUNCTION_INFO_V1 (gbt_intv_same)
Datum	gbt_intv_compress (PG_FUNCTION_ARGS)
Datum	gbt_intv_decompress (PG_FUNCTION_ARGS)
Datum	gbt_intv_union (PG_FUNCTION_ARGS)
Datum	gbt_intv_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_intv_consistent (PG_FUNCTION_ARGS)
Datum	gbt_intv_distance (PG_FUNCTION_ARGS)
Datum	gbt_intv_penalty (PG_FUNCTION_ARGS)
Datum	gbt_intv_same (PG_FUNCTION_ARGS)
static bool	gbt_intvgt (const void a, const void b)
static bool	gbt_intvge (const void a, const void b)
static bool	gbt_intveq (const void a, const void b)
static bool	gbt_intvle (const void a, const void b)
static bool	gbt_intvlt (const void a, const void b)
static int	gbt_intvkey_cmp (const void a, const void b)
static double	intr2num (const Interval *i)
static float8	gbt_intv_dist (const void a, const void b)
Interval *	abs_interval (Interval *a)
	PG_FUNCTION_INFO_V1 (interval_dist)
Datum	interval_dist (PG_FUNCTION_ARGS)
Variables
static const gbtree_ninfo	tinfo

Define Documentation

#define INTERVALSIZE 16

Definition at line 101 of file btree_interval.c.

Referenced by gbt_intv_compress(), and gbt_intv_decompress().

Function Documentation

Interval* abs_interval ( Interval * a )

Definition at line 118 of file btree_interval.c.

References DatumGetBool, DatumGetIntervalP, DirectFunctionCall1, DirectFunctionCall2, interval_lt(), interval_um(), and IntervalPGetDatum.

Referenced by interval_dist(), time_dist(), ts_dist(), and tstz_dist().

{
    static Interval zero = {0, 0, 0};

    if (DatumGetBool(DirectFunctionCall2(interval_lt,
                                         IntervalPGetDatum(a),
                                         IntervalPGetDatum(&zero))))
        a = DatumGetIntervalP(DirectFunctionCall1(interval_um,
                                                  IntervalPGetDatum(a)));

    return a;
}

Datum gbt_intv_compress ( PG_FUNCTION_ARGS )

Definition at line 150 of file btree_interval.c.

References DatumGetIntervalP, DatumGetPointer, FALSE, gistentryinit, INTERVALSIZE, GISTENTRY::key, GISTENTRY::leafkey, intvKEY::lower, GISTENTRY::offset, GISTENTRY::page, palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, PointerGetDatum, GISTENTRY::rel, and intvKEY::upper.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    GISTENTRY  *retval = entry;

    if (entry->leafkey || INTERVALSIZE != sizeof(Interval))
    {
        char       *r = (char *) palloc(2 * INTERVALSIZE);

        retval = palloc(sizeof(GISTENTRY));

        if (entry->leafkey)
        {
            Interval   *key = DatumGetIntervalP(entry->key);

            memcpy((void *) r, (void *) key, INTERVALSIZE);
            memcpy((void *) (r + INTERVALSIZE), (void *) key, INTERVALSIZE);
        }
        else
        {
            intvKEY    *key = (intvKEY *) DatumGetPointer(entry->key);

            memcpy(r, &key->lower, INTERVALSIZE);
            memcpy(r + INTERVALSIZE, &key->upper, INTERVALSIZE);
        }
        gistentryinit(*retval, PointerGetDatum(r),
                      entry->rel, entry->page,
                      entry->offset, FALSE);
    }

    PG_RETURN_POINTER(retval);

}

Datum gbt_intv_consistent ( PG_FUNCTION_ARGS )

Definition at line 208 of file btree_interval.c.

References DatumGetPointer, gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, intvKEY::lower, GBT_NUMKEY_R::lower, PG_GETARG_INTERVAL_P, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, intvKEY::upper, and GBT_NUMKEY_R::upper.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Interval   *query = PG_GETARG_INTERVAL_P(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);

    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    intvKEY    *kkk = (intvKEY *) 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_intv_decompress ( PG_FUNCTION_ARGS )

Definition at line 185 of file btree_interval.c.

References DatumGetPointer, FALSE, gistentryinit, INTERVALSIZE, GISTENTRY::key, intvKEY::lower, GISTENTRY::offset, GISTENTRY::page, palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, PointerGetDatum, GISTENTRY::rel, and intvKEY::upper.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    GISTENTRY  *retval = entry;

    if (INTERVALSIZE != sizeof(Interval))
    {
        intvKEY    *r = palloc(sizeof(intvKEY));
        char       *key = DatumGetPointer(entry->key);

        retval = palloc(sizeof(GISTENTRY));
        memcpy(&r->lower, key, INTERVALSIZE);
        memcpy(&r->upper, key + INTERVALSIZE, INTERVALSIZE);

        gistentryinit(*retval, PointerGetDatum(r),
                      entry->rel, entry->page,
                      entry->offset, FALSE);
    }
    PG_RETURN_POINTER(retval);
}

static float8 gbt_intv_dist	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 91 of file btree_interval.c.

References Abs, and intr2num().

{
    return (float8) Abs(intr2num((const Interval *) a) - intr2num((const Interval *) b));
}

Datum gbt_intv_distance ( PG_FUNCTION_ARGS )

Definition at line 232 of file btree_interval.c.

References DatumGetPointer, gbt_num_distance(), GIST_LEAF, GISTENTRY::key, intvKEY::lower, GBT_NUMKEY_R::lower, PG_GETARG_INTERVAL_P, PG_GETARG_POINTER, PG_RETURN_FLOAT8, intvKEY::upper, and GBT_NUMKEY_R::upper.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Interval   *query = PG_GETARG_INTERVAL_P(1);

    /* Oid      subtype = PG_GETARG_OID(3); */
    intvKEY    *kkk = (intvKEY *) 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_intv_penalty ( PG_FUNCTION_ARGS )

Definition at line 262 of file btree_interval.c.

References DatumGetPointer, intr2num(), intvKEY::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and intvKEY::upper.

{
    intvKEY    *origentry = (intvKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    intvKEY    *newentry = (intvKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
    float      *result = (float *) PG_GETARG_POINTER(2);
    double      iorg[2],
                inew[2];

    iorg[0] = intr2num(&origentry->lower);
    iorg[1] = intr2num(&origentry->upper);
    inew[0] = intr2num(&newentry->lower);
    inew[1] = intr2num(&newentry->upper);

    penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);

    PG_RETURN_POINTER(result);

}

Datum gbt_intv_picksplit ( PG_FUNCTION_ARGS )

Definition at line 282 of file btree_interval.c.

References gbt_num_picksplit(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

{
    PG_RETURN_POINTER(gbt_num_picksplit(
                                    (GistEntryVector *) PG_GETARG_POINTER(0),
                                      (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
                                        &tinfo
                                        ));
}

Datum gbt_intv_same ( PG_FUNCTION_ARGS )

Definition at line 292 of file btree_interval.c.

References gbt_num_same(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

{
    intvKEY    *b1 = (intvKEY *) PG_GETARG_POINTER(0);
    intvKEY    *b2 = (intvKEY *) PG_GETARG_POINTER(1);
    bool       *result = (bool *) PG_GETARG_POINTER(2);

    *result = gbt_num_same((void *) b1, (void *) b2, &tinfo);
    PG_RETURN_POINTER(result);
}

Datum gbt_intv_union ( PG_FUNCTION_ARGS )

Definition at line 251 of file btree_interval.c.

References gbt_num_union(), palloc(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

{
    GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
    void       *out = palloc(sizeof(intvKEY));

    *(int *) PG_GETARG_POINTER(1) = sizeof(intvKEY);
    PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo));
}

static bool gbt_intveq	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 52 of file btree_interval.c.

References DatumGetBool, DirectFunctionCall2, interval_eq(), and IntervalPGetDatum.

{
    return DatumGetBool(DirectFunctionCall2(interval_eq, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

static bool gbt_intvge	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 46 of file btree_interval.c.

References DatumGetBool, DirectFunctionCall2, interval_ge(), and IntervalPGetDatum.

{
    return DatumGetBool(DirectFunctionCall2(interval_ge, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

static bool gbt_intvgt	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 40 of file btree_interval.c.

References DatumGetBool, DirectFunctionCall2, interval_gt(), and IntervalPGetDatum.

{
    return DatumGetBool(DirectFunctionCall2(interval_gt, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

static int gbt_intvkey_cmp	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 70 of file btree_interval.c.

References DatumGetInt32, DirectFunctionCall2, interval_cmp(), IntervalPGetDatum, intvKEY::lower, and intvKEY::upper.

{
    intvKEY    *ia = (intvKEY *) (((const Nsrt *) a)->t);
    intvKEY    *ib = (intvKEY *) (((const Nsrt *) b)->t);
    int         res;

    res = DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->lower), IntervalPGetDatum(&ib->lower)));
    if (res == 0)
        return DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->upper), IntervalPGetDatum(&ib->upper)));

    return res;
}

static bool gbt_intvle	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 58 of file btree_interval.c.

References DatumGetBool, DirectFunctionCall2, interval_le(), and IntervalPGetDatum.

{
    return DatumGetBool(DirectFunctionCall2(interval_le, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

static bool gbt_intvlt	(	const void *	a,
		const void *	b
	)			`[static]`

Definition at line 64 of file btree_interval.c.

References DatumGetBool, DirectFunctionCall2, interval_lt(), and IntervalPGetDatum.

{
    return DatumGetBool(DirectFunctionCall2(interval_lt, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

Datum interval_dist ( PG_FUNCTION_ARGS )

Definition at line 134 of file btree_interval.c.

References abs_interval(), DatumGetIntervalP, DirectFunctionCall2, interval_mi(), PG_GETARG_DATUM, and PG_RETURN_INTERVAL_P.

{
    Datum       diff = DirectFunctionCall2(interval_mi,
                                           PG_GETARG_DATUM(0),
                                           PG_GETARG_DATUM(1));

    PG_RETURN_INTERVAL_P(abs_interval(DatumGetIntervalP(diff)));
}

static double intr2num ( const Interval * i ) [static]

Definition at line 85 of file btree_interval.c.

References INTERVAL_TO_SEC.

Referenced by gbt_intv_dist(), and gbt_intv_penalty().

{
    return INTERVAL_TO_SEC(i);
}

PG_FUNCTION_INFO_V1 ( gbt_intv_same )

PG_FUNCTION_INFO_V1 ( gbt_intv_union )

PG_FUNCTION_INFO_V1 ( gbt_intv_picksplit )

PG_FUNCTION_INFO_V1 ( interval_dist )

PG_FUNCTION_INFO_V1 ( gbt_intv_compress )

PG_FUNCTION_INFO_V1 ( gbt_intv_distance )

PG_FUNCTION_INFO_V1 ( gbt_intv_decompress )

PG_FUNCTION_INFO_V1 ( gbt_intv_consistent )

PG_FUNCTION_INFO_V1 ( gbt_intv_penalty )

Variable Documentation

const gbtree_ninfo tinfo [static]

Initial value:

{
    gbt_t_intv,
    sizeof(Interval),
    gbt_intvgt,
    gbt_intvge,
    gbt_intveq,
    gbt_intvle,
    gbt_intvlt,
    gbt_intvkey_cmp,
    gbt_intv_dist
}

Definition at line 103 of file btree_interval.c.

Header And Logo

btree_interval.c File Reference

Data Structures

Defines

Functions

Variables

Define Documentation

Function Documentation

Variable Documentation