btree_macaddr.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/builtins.h"
#include "utils/inet.h"

Include dependency graph for btree_macaddr.c:

Go to the source code of this file.

Data Structures
struct	macKEY

Functions
	PG_FUNCTION_INFO_V1 (gbt_macad_compress)
	PG_FUNCTION_INFO_V1 (gbt_macad_fetch)
	PG_FUNCTION_INFO_V1 (gbt_macad_union)
	PG_FUNCTION_INFO_V1 (gbt_macad_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_macad_consistent)
	PG_FUNCTION_INFO_V1 (gbt_macad_penalty)
	PG_FUNCTION_INFO_V1 (gbt_macad_same)
static bool	gbt_macadgt (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_macadge (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_macadeq (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_macadle (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_macadlt (const void *a, const void *b, FmgrInfo *flinfo)
static int	gbt_macadkey_cmp (const void *a, const void *b, FmgrInfo *flinfo)
static uint64	mac_2_uint64 (macaddr *m)
Datum	gbt_macad_compress (PG_FUNCTION_ARGS)
Datum	gbt_macad_fetch (PG_FUNCTION_ARGS)
Datum	gbt_macad_consistent (PG_FUNCTION_ARGS)
Datum	gbt_macad_union (PG_FUNCTION_ARGS)
Datum	gbt_macad_penalty (PG_FUNCTION_ARGS)
Datum	gbt_macad_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_macad_same (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Function Documentation

gbt_macad_compress()

Datum gbt_macad_compress

(

PG_FUNCTION_ARGS

)

Definition at line 111 of file btree_macaddr.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
 
    PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
}

References gbt_num_compress(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_macad_consistent()

Datum gbt_macad_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 127 of file btree_macaddr.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    macaddr    *query = (macaddr *) PG_GETARG_POINTER(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    macKEY     *kkk = (macKEY *) 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));
}

References DatumGetPointer(), gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, sort-test::key, macKEY::lower, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, tinfo, and macKEY::upper.

gbt_macad_fetch()

Datum gbt_macad_fetch

(

PG_FUNCTION_ARGS

)

Definition at line 119 of file btree_macaddr.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
 
    PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
}

References gbt_num_fetch(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_macad_penalty()

Datum gbt_macad_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 161 of file btree_macaddr.c.

{
    macKEY     *origentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    macKEY     *newentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
    float      *result = (float *) PG_GETARG_POINTER(2);
    uint64      iorg[2],
                inew[2];
 
    iorg[0] = mac_2_uint64(&origentry->lower);
    iorg[1] = mac_2_uint64(&origentry->upper);
    inew[0] = mac_2_uint64(&newentry->lower);
    inew[1] = mac_2_uint64(&newentry->upper);
 
    penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
 
    PG_RETURN_POINTER(result);
}

References DatumGetPointer(), sort-test::key, macKEY::lower, mac_2_uint64(), penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and macKEY::upper.

gbt_macad_picksplit()

Datum gbt_macad_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 180 of file btree_macaddr.c.

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

References gbt_num_picksplit(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_macad_same()

Datum gbt_macad_same

(

PG_FUNCTION_ARGS

)

Definition at line 188 of file btree_macaddr.c.

{
    macKEY     *b1 = (macKEY *) PG_GETARG_POINTER(0);
    macKEY     *b2 = (macKEY *) 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);
}

References gbt_num_same(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_macad_union()

Datum gbt_macad_union

(

PG_FUNCTION_ARGS

)

Definition at line 150 of file btree_macaddr.c.

{
    GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
    void       *out = palloc0(sizeof(macKEY));
 
    *(int *) PG_GETARG_POINTER(1) = sizeof(macKEY);
    PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
}

References gbt_num_union(), palloc0(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_macadeq()

static bool gbt_macadeq ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 42 of file btree_macaddr.c.

{
    return DatumGetBool(DirectFunctionCall2(macaddr_eq, PointerGetDatum(a), PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, macaddr_eq(), and PointerGetDatum().

gbt_macadge()

static bool gbt_macadge ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 36 of file btree_macaddr.c.

{
    return DatumGetBool(DirectFunctionCall2(macaddr_ge, PointerGetDatum(a), PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, macaddr_ge(), and PointerGetDatum().

gbt_macadgt()

static bool gbt_macadgt ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 31 of file btree_macaddr.c.

{
    return DatumGetBool(DirectFunctionCall2(macaddr_gt, PointerGetDatum(a), PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, macaddr_gt(), and PointerGetDatum().

gbt_macadkey_cmp()

static int gbt_macadkey_cmp ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 61 of file btree_macaddr.c.

{
    macKEY     *ia = (macKEY *) (((const Nsrt *) a)->t);
    macKEY     *ib = (macKEY *) (((const Nsrt *) b)->t);
    int         res;
 
    res = DatumGetInt32(DirectFunctionCall2(macaddr_cmp, MacaddrPGetDatum(&ia->lower), MacaddrPGetDatum(&ib->lower)));
    if (res == 0)
        return DatumGetInt32(DirectFunctionCall2(macaddr_cmp, MacaddrPGetDatum(&ia->upper), MacaddrPGetDatum(&ib->upper)));
 
    return res;
}

References a, b, DatumGetInt32(), DirectFunctionCall2, macKEY::lower, macaddr_cmp(), MacaddrPGetDatum(), res, and macKEY::upper.

gbt_macadle()

static bool gbt_macadle ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 48 of file btree_macaddr.c.

{
    return DatumGetBool(DirectFunctionCall2(macaddr_le, PointerGetDatum(a), PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, macaddr_le(), and PointerGetDatum().

gbt_macadlt()

static bool gbt_macadlt ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 54 of file btree_macaddr.c.

{
    return DatumGetBool(DirectFunctionCall2(macaddr_lt, PointerGetDatum(a), PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, macaddr_lt(), and PointerGetDatum().

mac_2_uint64()

static uint64 mac_2_uint64 ( macaddr *  m )

static

Definition at line 97 of file btree_macaddr.c.

{
    unsigned char *mi = (unsigned char *) m;
    uint64      res = 0;
    int         i;
 
    for (i = 0; i < 6; i++)
        res += (((uint64) mi[i]) << ((uint64) ((5 - i) * 8)));
    return res;
}

References i, and res.

Referenced by gbt_macad_penalty().

PG_FUNCTION_INFO_V1() [1/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_compress

)

PG_FUNCTION_INFO_V1() [2/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_consistent

)

PG_FUNCTION_INFO_V1() [3/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_fetch

)

PG_FUNCTION_INFO_V1() [4/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_penalty

)

PG_FUNCTION_INFO_V1() [5/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_picksplit

)

PG_FUNCTION_INFO_V1() [6/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_same

)

PG_FUNCTION_INFO_V1() [7/7]

PG_FUNCTION_INFO_V1

(

gbt_macad_union

)

Variable Documentation

tinfo

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_macad,
    sizeof(macaddr),
    16,                         
    gbt_macadgt,
    gbt_macadge,
    gbt_macadeq,
    gbt_macadle,
    gbt_macadlt,
    gbt_macadkey_cmp,
    NULL
}

Definition at line 75 of file btree_macaddr.c.

Referenced by gbt_macad_compress(), gbt_macad_consistent(), gbt_macad_fetch(), gbt_macad_picksplit(), gbt_macad_same(), and gbt_macad_union().