btree_cash.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "common/int.h"
#include "utils/cash.h"

Include dependency graph for btree_cash.c:

Go to the source code of this file.

Data Structures
struct	cashKEY

Functions
	PG_FUNCTION_INFO_V1 (gbt_cash_compress)
	PG_FUNCTION_INFO_V1 (gbt_cash_fetch)
	PG_FUNCTION_INFO_V1 (gbt_cash_union)
	PG_FUNCTION_INFO_V1 (gbt_cash_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_cash_consistent)
	PG_FUNCTION_INFO_V1 (gbt_cash_distance)
	PG_FUNCTION_INFO_V1 (gbt_cash_penalty)
	PG_FUNCTION_INFO_V1 (gbt_cash_same)
static bool	gbt_cashgt (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_cashge (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_casheq (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_cashle (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_cashlt (const void *a, const void *b, FmgrInfo *flinfo)
static int	gbt_cashkey_cmp (const void *a, const void *b, FmgrInfo *flinfo)
static float8	gbt_cash_dist (const void *a, const void *b, FmgrInfo *flinfo)
	PG_FUNCTION_INFO_V1 (cash_dist)
Datum	cash_dist (PG_FUNCTION_ARGS)
Datum	gbt_cash_compress (PG_FUNCTION_ARGS)
Datum	gbt_cash_fetch (PG_FUNCTION_ARGS)
Datum	gbt_cash_consistent (PG_FUNCTION_ARGS)
Datum	gbt_cash_distance (PG_FUNCTION_ARGS)
Datum	gbt_cash_union (PG_FUNCTION_ARGS)
Datum	gbt_cash_penalty (PG_FUNCTION_ARGS)
Datum	gbt_cash_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_cash_same (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Function Documentation

cash_dist()

Datum cash_dist

(

PG_FUNCTION_ARGS

)

Definition at line 96 of file btree_cash.c.

{
    Cash        a = PG_GETARG_CASH(0);
    Cash        b = PG_GETARG_CASH(1);
    Cash        r;
    Cash        ra;
 
    if (pg_sub_s64_overflow(a, b, &r) ||
        r == PG_INT64_MIN)
        ereport(ERROR,
                (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
                 errmsg("money out of range")));
 
    ra = Abs(r);
 
    PG_RETURN_CASH(ra);
}

References a, Abs, b, ereport, errcode(), errmsg(), ERROR, PG_GETARG_CASH, PG_INT64_MIN, PG_RETURN_CASH, and pg_sub_s64_overflow().

gbt_cash_compress()

Datum gbt_cash_compress

(

PG_FUNCTION_ARGS

)

Definition at line 120 of file btree_cash.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_cash_consistent()

Datum gbt_cash_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 136 of file btree_cash.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Cash        query = PG_GETARG_CASH(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    cashKEY    *kkk = (cashKEY *) 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, cashKEY::lower, PG_GETARG_CASH, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, tinfo, and cashKEY::upper.

gbt_cash_dist()

static float8 gbt_cash_dist ( const void *  a, const void *  b, FmgrInfo *  flinfo  )

static

Definition at line 73 of file btree_cash.c.

{
    return GET_FLOAT_DISTANCE(Cash, a, b);
}

References a, b, and GET_FLOAT_DISTANCE.

gbt_cash_distance()

Datum gbt_cash_distance

(

PG_FUNCTION_ARGS

)

Definition at line 160 of file btree_cash.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Cash        query = PG_GETARG_CASH(1);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    cashKEY    *kkk = (cashKEY *) 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));
}

References DatumGetPointer, gbt_num_distance(), GIST_LEAF, GISTENTRY::key, sort-test::key, cashKEY::lower, PG_GETARG_CASH, PG_GETARG_POINTER, PG_RETURN_FLOAT8, tinfo, and cashKEY::upper.

gbt_cash_fetch()

Datum gbt_cash_fetch

(

PG_FUNCTION_ARGS

)

Definition at line 128 of file btree_cash.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_cash_penalty()

Datum gbt_cash_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 189 of file btree_cash.c.

{
    cashKEY    *origentry = (cashKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    cashKEY    *newentry = (cashKEY *) 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);
}

References DatumGetPointer, sort-test::key, cashKEY::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and cashKEY::upper.

gbt_cash_picksplit()

Datum gbt_cash_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 201 of file btree_cash.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_cash_same()

Datum gbt_cash_same

(

PG_FUNCTION_ARGS

)

Definition at line 209 of file btree_cash.c.

{
    cashKEY    *b1 = (cashKEY *) PG_GETARG_POINTER(0);
    cashKEY    *b2 = (cashKEY *) 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_cash_union()

Datum gbt_cash_union

(

PG_FUNCTION_ARGS

)

Definition at line 178 of file btree_cash.c.

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

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

gbt_casheq()

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

static

Definition at line 40 of file btree_cash.c.

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

References a, and b.

gbt_cashge()

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

static

Definition at line 35 of file btree_cash.c.

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

References a, and b.

gbt_cashgt()

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

static

Definition at line 30 of file btree_cash.c.

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

References a, and b.

gbt_cashkey_cmp()

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

static

Definition at line 56 of file btree_cash.c.

{
    cashKEY    *ia = (cashKEY *) (((const Nsrt *) a)->t);
    cashKEY    *ib = (cashKEY *) (((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;
}

References a, b, cashKEY::lower, and cashKEY::upper.

gbt_cashle()

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

static

Definition at line 45 of file btree_cash.c.

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

References a, and b.

gbt_cashlt()

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

static

Definition at line 50 of file btree_cash.c.

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

References a, and b.

PG_FUNCTION_INFO_V1() [1/9]

PG_FUNCTION_INFO_V1

(

cash_dist

)

PG_FUNCTION_INFO_V1() [2/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_compress

)

PG_FUNCTION_INFO_V1() [3/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_consistent

)

PG_FUNCTION_INFO_V1() [4/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_distance

)

PG_FUNCTION_INFO_V1() [5/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_fetch

)

PG_FUNCTION_INFO_V1() [6/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_penalty

)

PG_FUNCTION_INFO_V1() [7/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_picksplit

)

PG_FUNCTION_INFO_V1() [8/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_same

)

PG_FUNCTION_INFO_V1() [9/9]

PG_FUNCTION_INFO_V1

(

gbt_cash_union

)

Variable Documentation

tinfo

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_cash,
    sizeof(Cash),
    16,                         
    gbt_cashgt,
    gbt_cashge,
    gbt_casheq,
    gbt_cashle,
    gbt_cashlt,
    gbt_cashkey_cmp,
    gbt_cash_dist
}

Definition at line 79 of file btree_cash.c.

Referenced by gbt_cash_compress(), gbt_cash_consistent(), gbt_cash_distance(), gbt_cash_fetch(), gbt_cash_picksplit(), gbt_cash_same(), and gbt_cash_union().