Header And Logo

PostgreSQL
| The world's most advanced open source database.

Data Structures | Typedefs | Functions | Variables

btree_inet.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/builtins.h"
#include "utils/inet.h"
#include "catalog/pg_type.h"
Include dependency graph for btree_inet.c:

Go to the source code of this file.

Data Structures

struct  inetkey

Typedefs

typedef struct inetkey inetKEY

Functions

 PG_FUNCTION_INFO_V1 (gbt_inet_compress)
 PG_FUNCTION_INFO_V1 (gbt_inet_union)
 PG_FUNCTION_INFO_V1 (gbt_inet_picksplit)
 PG_FUNCTION_INFO_V1 (gbt_inet_consistent)
 PG_FUNCTION_INFO_V1 (gbt_inet_penalty)
 PG_FUNCTION_INFO_V1 (gbt_inet_same)
Datum gbt_inet_compress (PG_FUNCTION_ARGS)
Datum gbt_inet_union (PG_FUNCTION_ARGS)
Datum gbt_inet_picksplit (PG_FUNCTION_ARGS)
Datum gbt_inet_consistent (PG_FUNCTION_ARGS)
Datum gbt_inet_penalty (PG_FUNCTION_ARGS)
Datum gbt_inet_same (PG_FUNCTION_ARGS)
static bool gbt_inetgt (const void *a, const void *b)
static bool gbt_inetge (const void *a, const void *b)
static bool gbt_ineteq (const void *a, const void *b)
static bool gbt_inetle (const void *a, const void *b)
static bool gbt_inetlt (const void *a, const void *b)
static int gbt_inetkey_cmp (const void *a, const void *b)

Variables

static const gbtree_ninfo tinfo

Typedef Documentation

typedef struct inetkey inetKEY

Function Documentation

Datum gbt_inet_compress ( PG_FUNCTION_ARGS   ) 
Datum gbt_inet_consistent ( PG_FUNCTION_ARGS   ) 

Definition at line 124 of file btree_inet.c.

References convert_network_to_scalar(), DatumGetPointer, gbt_num_consistent(), GIST_LEAF, INETOID, GISTENTRY::key, inetkey::lower, GBT_NUMKEY_R::lower, PG_GETARG_DATUM, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, inetkey::upper, and GBT_NUMKEY_R::upper.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    double      query = convert_network_to_scalar(PG_GETARG_DATUM(1), INETOID);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);

    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    inetKEY    *kkk = (inetKEY *) DatumGetPointer(entry->key);
    GBT_NUMKEY_R key;

    /* All cases served by this function are inexact */
    *recheck = true;

    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_inet_penalty ( PG_FUNCTION_ARGS   ) 

Definition at line 158 of file btree_inet.c.

References DatumGetPointer, inetkey::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and inetkey::upper.

{
    inetKEY    *origentry = (inetKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    inetKEY    *newentry = (inetKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
    float      *result = (float *) PG_GETARG_POINTER(2);

    penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);

    PG_RETURN_POINTER(result);

}

Datum gbt_inet_picksplit ( PG_FUNCTION_ARGS   ) 
Datum gbt_inet_same ( PG_FUNCTION_ARGS   ) 

Definition at line 181 of file btree_inet.c.

References gbt_num_same(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

{
    inetKEY    *b1 = (inetKEY *) PG_GETARG_POINTER(0);
    inetKEY    *b2 = (inetKEY *) 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_inet_union ( PG_FUNCTION_ARGS   ) 

Definition at line 147 of file btree_inet.c.

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

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

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

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

Definition at line 47 of file btree_inet.c.

{
    return (*((const double *) a) == *((const double *) b));
}

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

Definition at line 42 of file btree_inet.c.

{
    return (*((const double *) a) >= *((const double *) b));
}

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

Definition at line 37 of file btree_inet.c.

{
    return (*((const double *) a) > *((const double *) b));
}

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

Definition at line 63 of file btree_inet.c.

References inetkey::lower, and inetkey::upper.

{
    inetKEY    *ia = (inetKEY *) (((const Nsrt *) a)->t);
    inetKEY    *ib = (inetKEY *) (((const Nsrt *) b)->t);

    if (ia->lower == ib->lower)
    {
        if (ia->upper == ib->upper)
            return 0;

        return (ia->upper > ib->upper) ? 1 : -1;
    }

    return (ia->lower > ib->lower) ? 1 : -1;
}

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

Definition at line 52 of file btree_inet.c.

{
    return (*((const double *) a) <= *((const double *) b));
}

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

Definition at line 57 of file btree_inet.c.

{
    return (*((const double *) a) < *((const double *) b));
}

PG_FUNCTION_INFO_V1 ( gbt_inet_compress   ) 
PG_FUNCTION_INFO_V1 ( gbt_inet_same   ) 
PG_FUNCTION_INFO_V1 ( gbt_inet_consistent   ) 
PG_FUNCTION_INFO_V1 ( gbt_inet_penalty   ) 
PG_FUNCTION_INFO_V1 ( gbt_inet_union   ) 
PG_FUNCTION_INFO_V1 ( gbt_inet_picksplit   ) 

Variable Documentation

const gbtree_ninfo tinfo [static]
Initial value:

Definition at line 80 of file btree_inet.c.