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New version. Add support for int2, int8, float4, float8, timestamp with/without time zone, time with/without time zone, date, interval, oid, money and macaddr, char, varchar/text, bytea, numeric, bit, varbit, inet/cidr types for GiST

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This commit is contained in:
Teodor Sigaev
2004-05-28 10:43:32 +00:00
parent 1a321f26d8
commit 42d069886f
99 changed files with 18221 additions and 2974 deletions
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163
contrib/btree_gist/btree_cash.c Normal file
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#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/cash.h"
typedef struct
{
Cash lower;
Cash upper;
} cashKEY;
/*
** Cash ops
*/
PG_FUNCTION_INFO_V1(gbt_cash_compress);
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_penalty);
PG_FUNCTION_INFO_V1(gbt_cash_same);
Datum gbt_cash_compress(PG_FUNCTION_ARGS);
Datum gbt_cash_union(PG_FUNCTION_ARGS);
Datum gbt_cash_picksplit(PG_FUNCTION_ARGS);
Datum gbt_cash_consistent(PG_FUNCTION_ARGS);
Datum gbt_cash_penalty(PG_FUNCTION_ARGS);
Datum gbt_cash_same(PG_FUNCTION_ARGS);
static bool gbt_cashgt (const void *a, const void *b)
{
return ( *((Cash*)a) > *((Cash*)b) );
}
static bool gbt_cashge (const void *a, const void *b)
{
return ( *((Cash*)a) >= *((Cash*)b) );
}
static bool gbt_casheq (const void *a, const void *b)
{
return ( *((Cash*)a) == *((Cash*)b) );
}
static bool gbt_cashle (const void *a, const void *b)
{
return ( *((Cash*)a) <= *((Cash*)b) );
}
static bool gbt_cashlt (const void *a, const void *b)
{
return ( *((Cash*)a) < *((Cash*)b) );
}
static int
gbt_cashkey_cmp(const void *a, const void *b)
{
if ( *(Cash*)&(((Nsrt *) a)->t[0]) > *(Cash*)&(((Nsrt *) b)->t[0]) ){
return 1;
} else
if ( *(Cash*)&(((Nsrt *) a)->t[0]) < *(Cash*)&(((Nsrt *) b)->t[0]) ){
return -1;
}
return 0;
}
static const gbtree_ninfo tinfo =
{
gbt_t_cash,
sizeof(Cash),
gbt_cashgt,
gbt_cashge,
gbt_casheq,
gbt_cashle,
gbt_cashlt,
gbt_cashkey_cmp
};
/**************************************************
* Cash ops
**************************************************/
Datum
gbt_cash_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_cash_consistent(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
Cash query = (*((Cash *) PG_GETARG_POINTER(1)));
cashKEY *kkk = (cashKEY *) DatumGetPointer(entry->key);
GBT_NUMKEY_R key ;
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
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_cash_union(PG_FUNCTION_ARGS)
{
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 ) );
}
Datum
gbt_cash_penalty(PG_FUNCTION_ARGS)
{
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);
Cash res ;
*result = 0.0;
res = Max(newentry->upper - origentry->upper, 0) +
Max(origentry->lower - newentry->lower, 0);
if ( res > 0 ){
*result += FLT_MIN ;
*result += (float) ( res / ( (double) ( res + origentry->upper - origentry->lower ) ) );
*result *= ( FLT_MAX / ( ( (GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1 ) );
}
PG_RETURN_POINTER(result);
}
Datum
gbt_cash_picksplit(PG_FUNCTION_ARGS)
{
PG_RETURN_POINTER(gbt_num_picksplit(
(GistEntryVector *) PG_GETARG_POINTER(0),
(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
&tinfo
));
}
Datum
gbt_cash_same(PG_FUNCTION_ARGS)
{
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 );
PG_RETURN_POINTER(result);
}