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-rw-r--r--contrib/tsearch/gistidx.c820
1 files changed, 473 insertions, 347 deletions
diff --git a/contrib/tsearch/gistidx.c b/contrib/tsearch/gistidx.c
index 61ab1bd8f05..1222c36a1e4 100644
--- a/contrib/tsearch/gistidx.c
+++ b/contrib/tsearch/gistidx.c
@@ -17,28 +17,35 @@
#include "gistidx.h"
#include "crc32.h"
-PG_FUNCTION_INFO_V1( gtxtidx_in );
-Datum gtxtidx_in(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_out );
-Datum gtxtidx_out(PG_FUNCTION_ARGS);
-
-PG_FUNCTION_INFO_V1( gtxtidx_compress );
-Datum gtxtidx_compress(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_decompress );
-Datum gtxtidx_decompress(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_consistent );
-Datum gtxtidx_consistent(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_union );
-Datum gtxtidx_union(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_same );
-Datum gtxtidx_same(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_penalty );
-Datum gtxtidx_penalty(PG_FUNCTION_ARGS);
-PG_FUNCTION_INFO_V1( gtxtidx_picksplit );
-Datum gtxtidx_picksplit(PG_FUNCTION_ARGS);
+PG_FUNCTION_INFO_V1(gtxtidx_in);
+Datum gtxtidx_in(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_out);
+Datum gtxtidx_out(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_compress);
+Datum gtxtidx_compress(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_decompress);
+Datum gtxtidx_decompress(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_consistent);
+Datum gtxtidx_consistent(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_union);
+Datum gtxtidx_union(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_same);
+Datum gtxtidx_same(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_penalty);
+Datum gtxtidx_penalty(PG_FUNCTION_ARGS);
+
+PG_FUNCTION_INFO_V1(gtxtidx_picksplit);
+Datum gtxtidx_picksplit(PG_FUNCTION_ARGS);
#define GETENTRY(vec,pos) ((GISTTYPE *) DatumGetPointer(((GISTENTRY *) VARDATA(vec))[(pos)].key))
-#define SUMBIT(val) ( \
+#define SUMBIT(val) ( \
GETBITBYTE(val,0) + \
GETBITBYTE(val,1) + \
GETBITBYTE(val,2) + \
@@ -46,38 +53,44 @@ Datum gtxtidx_picksplit(PG_FUNCTION_ARGS);
GETBITBYTE(val,4) + \
GETBITBYTE(val,5) + \
GETBITBYTE(val,6) + \
- GETBITBYTE(val,7) \
-)
+ GETBITBYTE(val,7) \
+)
Datum
-gtxtidx_in(PG_FUNCTION_ARGS) {
- elog(ERROR,"Not implemented");
+gtxtidx_in(PG_FUNCTION_ARGS)
+{
+ elog(ERROR, "Not implemented");
PG_RETURN_DATUM(0);
}
Datum
-gtxtidx_out(PG_FUNCTION_ARGS) {
- elog(ERROR,"Not implemented");
+gtxtidx_out(PG_FUNCTION_ARGS)
+{
+ elog(ERROR, "Not implemented");
PG_RETURN_DATUM(0);
}
static int
-compareint( const void * a, const void * b ) {
- if ( *((int4*)a) == *((int4*)b) ) return 0;
- return ( *((int4*)a) > *((int4*)b) ) ? 1 : -1;
+compareint(const void *a, const void *b)
+{
+ if (*((int4 *) a) == *((int4 *) b))
+ return 0;
+ return (*((int4 *) a) > *((int4 *) b)) ? 1 : -1;
}
static int
-uniqueint( int4* a, int4 l ) {
- int4 *ptr, *res;
+uniqueint(int4 *a, int4 l)
+{
+ int4 *ptr,
+ *res;
- if ( l == 1 )
+ if (l == 1)
return l;
ptr = res = a;
- qsort((void*)a, l, sizeof(int4), compareint );
+ qsort((void *) a, l, sizeof(int4), compareint);
while (ptr - a < l)
if (*ptr != *res)
@@ -88,129 +101,149 @@ uniqueint( int4* a, int4 l ) {
}
static void
-makesign( BITVECP sign, GISTTYPE *a) {
- int4 k,len = ARRNELEM( a );
- int4 *ptr = GETARR( a );
- MemSet( (void*)sign, 0, sizeof(BITVEC) );
- for(k=0;k<len;k++)
- HASH( sign, ptr[k] );
+makesign(BITVECP sign, GISTTYPE * a)
+{
+ int4 k,
+ len = ARRNELEM(a);
+ int4 *ptr = GETARR(a);
+
+ MemSet((void *) sign, 0, sizeof(BITVEC));
+ for (k = 0; k < len; k++)
+ HASH(sign, ptr[k]);
}
Datum
-gtxtidx_compress(PG_FUNCTION_ARGS) {
- GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0);
+gtxtidx_compress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
GISTENTRY *retval = entry;
- if ( entry->leafkey ) { /* txtidx */
- GISTTYPE *res;
- txtidx *toastedval = (txtidx*)DatumGetPointer( entry->key );
- txtidx *val = (txtidx*)DatumGetPointer( PG_DETOAST_DATUM(entry->key) );
- int4 len;
- int4 *arr;
- WordEntry *ptr = ARRPTR(val);
- char *words = STRPTR(val);
-
- len = CALCGTSIZE( ARRKEY, val->size );
- res = (GISTTYPE*)palloc( len );
+ if (entry->leafkey)
+ { /* txtidx */
+ GISTTYPE *res;
+ txtidx *toastedval = (txtidx *) DatumGetPointer(entry->key);
+ txtidx *val = (txtidx *) DatumGetPointer(PG_DETOAST_DATUM(entry->key));
+ int4 len;
+ int4 *arr;
+ WordEntry *ptr = ARRPTR(val);
+ char *words = STRPTR(val);
+
+ len = CALCGTSIZE(ARRKEY, val->size);
+ res = (GISTTYPE *) palloc(len);
res->len = len;
res->flag = ARRKEY;
arr = GETARR(res);
len = val->size;
- while( len-- ) {
- *arr = crc32_sz( (uint8*)&words[ ptr->pos ], ptr->len );
- arr++; ptr++;
+ while (len--)
+ {
+ *arr = crc32_sz((uint8 *) &words[ptr->pos], ptr->len);
+ arr++;
+ ptr++;
}
- len = uniqueint( GETARR(res), val->size );
- if ( len != val->size ) {
- /* there is a collision of hash-function;
- len is always less than val->size */
- len = CALCGTSIZE( ARRKEY, len );
- res = (GISTTYPE*)repalloc( (void*)res, len );
+ len = uniqueint(GETARR(res), val->size);
+ if (len != val->size)
+ {
+ /*
+ * there is a collision of hash-function; len is always less
+ * than val->size
+ */
+ len = CALCGTSIZE(ARRKEY, len);
+ res = (GISTTYPE *) repalloc((void *) res, len);
res->len = len;
}
- if ( val != toastedval )
+ if (val != toastedval)
pfree(val);
/* make signature, if array is too long */
- if ( res->len > TOAST_INDEX_TARGET ) {
- GISTTYPE *ressign;
+ if (res->len > TOAST_INDEX_TARGET)
+ {
+ GISTTYPE *ressign;
- len = CALCGTSIZE( SIGNKEY, 0 );
- ressign = (GISTTYPE*)palloc( len );
+ len = CALCGTSIZE(SIGNKEY, 0);
+ ressign = (GISTTYPE *) palloc(len);
ressign->len = len;
ressign->flag = SIGNKEY;
- makesign( GETSIGN(ressign), res );
+ makesign(GETSIGN(ressign), res);
pfree(res);
res = ressign;
}
-
- retval = (GISTENTRY*)palloc(sizeof(GISTENTRY));
- gistentryinit(*retval, PointerGetDatum(res),
- entry->rel, entry->page,
- entry->offset, res->len, FALSE);
- } else if ( ISSIGNKEY(DatumGetPointer( entry->key )) &&
- ! ISALLTRUE(DatumGetPointer( entry->key )) ){
- int4 i,len;
- GISTTYPE *res;
- BITVECP sign = GETSIGN( DatumGetPointer( entry->key ) );
+
+ retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(res),
+ entry->rel, entry->page,
+ entry->offset, res->len, FALSE);
+ }
+ else if (ISSIGNKEY(DatumGetPointer(entry->key)) &&
+ !ISALLTRUE(DatumGetPointer(entry->key)))
+ {
+ int4 i,
+ len;
+ GISTTYPE *res;
+ BITVECP sign = GETSIGN(DatumGetPointer(entry->key));
LOOPBYTE(
- if ( (sign[i] & 0xff) != 0xff )
- PG_RETURN_POINTER(retval);
+ if ((sign[i] & 0xff) != 0xff)
+ PG_RETURN_POINTER(retval);
);
- len = CALCGTSIZE( SIGNKEY|ALLISTRUE, 0 );
- res = (GISTTYPE*)palloc( len );
+ len = CALCGTSIZE(SIGNKEY | ALLISTRUE, 0);
+ res = (GISTTYPE *) palloc(len);
res->len = len;
- res->flag = SIGNKEY | ALLISTRUE;
-
- retval = (GISTENTRY*)palloc(sizeof(GISTENTRY));
- gistentryinit(*retval, PointerGetDatum(res),
- entry->rel, entry->page,
- entry->offset, res->len, FALSE);
+ res->flag = SIGNKEY | ALLISTRUE;
+
+ retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));
+ gistentryinit(*retval, PointerGetDatum(res),
+ entry->rel, entry->page,
+ entry->offset, res->len, FALSE);
}
PG_RETURN_POINTER(retval);
}
Datum
-gtxtidx_decompress(PG_FUNCTION_ARGS) {
- GISTENTRY *entry = (GISTENTRY *)PG_GETARG_POINTER(0);
- GISTTYPE *key = (GISTTYPE*)DatumGetPointer( PG_DETOAST_DATUM(entry->key) );
+gtxtidx_decompress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ GISTTYPE *key = (GISTTYPE *) DatumGetPointer(PG_DETOAST_DATUM(entry->key));
- if ( key != (GISTTYPE*)DatumGetPointer(entry->key) ) {
- GISTENTRY *retval = (GISTENTRY*)palloc(sizeof(GISTENTRY));
- gistentryinit(*retval, PointerGetDatum(key),
- entry->rel, entry->page,
- entry->offset, key->len, FALSE);
+ if (key != (GISTTYPE *) DatumGetPointer(entry->key))
+ {
+ GISTENTRY *retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));
+
+ gistentryinit(*retval, PointerGetDatum(key),
+ entry->rel, entry->page,
+ entry->offset, key->len, FALSE);
PG_RETURN_POINTER(retval);
}
- PG_RETURN_POINTER(entry);
+ PG_RETURN_POINTER(entry);
}
-typedef struct {
- int4 *arrb;
- int4 *arre;
-} CHKVAL;
-
+typedef struct
+{
+ int4 *arrb;
+ int4 *arre;
+} CHKVAL;
+
/*
* is there value 'val' in array or not ?
*/
static bool
-checkcondition_arr( void *checkval, ITEM* val ) {
- int4 *StopLow = ((CHKVAL*)checkval)->arrb;
- int4 *StopHigh = ((CHKVAL*)checkval)->arre;
- int4 *StopMiddle;
+checkcondition_arr(void *checkval, ITEM * val)
+{
+ int4 *StopLow = ((CHKVAL *) checkval)->arrb;
+ int4 *StopHigh = ((CHKVAL *) checkval)->arre;
+ int4 *StopMiddle;
/* Loop invariant: StopLow <= val < StopHigh */
-
- while (StopLow < StopHigh) {
+
+ while (StopLow < StopHigh)
+ {
StopMiddle = StopLow + (StopHigh - StopLow) / 2;
if (*StopMiddle == val->val)
return (true);
- else if (*StopMiddle < val->val )
+ else if (*StopMiddle < val->val)
StopLow = StopMiddle + 1;
else
StopHigh = StopMiddle;
@@ -220,264 +253,321 @@ checkcondition_arr( void *checkval, ITEM* val ) {
}
static bool
-checkcondition_bit( void *checkval, ITEM* val ) {
- return GETBIT( checkval, HASHVAL( val->val ) );
+checkcondition_bit(void *checkval, ITEM * val)
+{
+ return GETBIT(checkval, HASHVAL(val->val));
}
-Datum
-gtxtidx_consistent(PG_FUNCTION_ARGS) {
- QUERYTYPE *query = (QUERYTYPE *)PG_GETARG_POINTER(1);
- GISTTYPE *key = (GISTTYPE *)DatumGetPointer(
- ((GISTENTRY *)PG_GETARG_POINTER(0))->key
+Datum
+gtxtidx_consistent(PG_FUNCTION_ARGS)
+{
+ QUERYTYPE *query = (QUERYTYPE *) PG_GETARG_POINTER(1);
+ GISTTYPE *key = (GISTTYPE *) DatumGetPointer(
+ ((GISTENTRY *) PG_GETARG_POINTER(0))->key
);
- if ( !query->size )
+ if (!query->size)
PG_RETURN_BOOL(false);
- if ( ISSIGNKEY(key) ) {
- if ( ISALLTRUE(key) )
+ if (ISSIGNKEY(key))
+ {
+ if (ISALLTRUE(key))
PG_RETURN_BOOL(true);
- PG_RETURN_BOOL( execute(
- GETQUERY(query),
- (void*)GETSIGN(key), false,
- checkcondition_bit
- ));
- } else { /* only leaf pages */
- CHKVAL chkval;
+ PG_RETURN_BOOL(execute(
+ GETQUERY(query),
+ (void *) GETSIGN(key), false,
+ checkcondition_bit
+ ));
+ }
+ else
+ { /* only leaf pages */
+ CHKVAL chkval;
chkval.arrb = GETARR(key);
- chkval.arre = chkval.arrb + ARRNELEM(key);
- PG_RETURN_BOOL( execute(
- GETQUERY(query),
- (void*)&chkval, true,
- checkcondition_arr
- ) );
+ chkval.arre = chkval.arrb + ARRNELEM(key);
+ PG_RETURN_BOOL(execute(
+ GETQUERY(query),
+ (void *) &chkval, true,
+ checkcondition_arr
+ ));
}
}
static int4
-unionkey( BITVECP sbase, GISTTYPE *add ) {
- int4 i;
+unionkey(BITVECP sbase, GISTTYPE * add)
+{
+ int4 i;
+
+ if (ISSIGNKEY(add))
+ {
+ BITVECP sadd = GETSIGN(add);
- if ( ISSIGNKEY(add) ) {
- BITVECP sadd = GETSIGN( add );
-
- if ( ISALLTRUE(add) )
+ if (ISALLTRUE(add))
return 1;
LOOPBYTE(
- sbase[i] |= sadd[i];
+ sbase[i] |= sadd[i];
);
- } else {
- int4 *ptr = GETARR( add );
- for(i=0;i<ARRNELEM(add);i++)
- HASH( sbase, ptr[i] );
+ }
+ else
+ {
+ int4 *ptr = GETARR(add);
+
+ for (i = 0; i < ARRNELEM(add); i++)
+ HASH(sbase, ptr[i]);
}
return 0;
}
Datum
-gtxtidx_union(PG_FUNCTION_ARGS) {
- bytea *entryvec = (bytea *) PG_GETARG_POINTER(0);
- int *size = (int *) PG_GETARG_POINTER(1);
- BITVEC base;
- int4 len = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY);
- int4 i;
- int4 flag = 0;
- GISTTYPE *result;
-
- MemSet( (void*)base, 0, sizeof(BITVEC) );
- for(i=0;i<len;i++) {
- if ( unionkey( base, GETENTRY(entryvec, i) ) ) {
+gtxtidx_union(PG_FUNCTION_ARGS)
+{
+ bytea *entryvec = (bytea *) PG_GETARG_POINTER(0);
+ int *size = (int *) PG_GETARG_POINTER(1);
+ BITVEC base;
+ int4 len = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY);
+ int4 i;
+ int4 flag = 0;
+ GISTTYPE *result;
+
+ MemSet((void *) base, 0, sizeof(BITVEC));
+ for (i = 0; i < len; i++)
+ {
+ if (unionkey(base, GETENTRY(entryvec, i)))
+ {
flag = ALLISTRUE;
break;
}
}
flag |= SIGNKEY;
- len = CALCGTSIZE( flag, 0 );
- result = (GISTTYPE*)palloc( len );
+ len = CALCGTSIZE(flag, 0);
+ result = (GISTTYPE *) palloc(len);
*size = result->len = len;
result->flag = flag;
- if ( ! ISALLTRUE(result) )
- memcpy((void*)GETSIGN(result), (void*)base, sizeof( BITVEC ) );
+ if (!ISALLTRUE(result))
+ memcpy((void *) GETSIGN(result), (void *) base, sizeof(BITVEC));
- PG_RETURN_POINTER( result );
+ PG_RETURN_POINTER(result);
}
Datum
-gtxtidx_same(PG_FUNCTION_ARGS) {
- GISTTYPE *a = (GISTTYPE*)PG_GETARG_POINTER(0);
- GISTTYPE *b = (GISTTYPE*)PG_GETARG_POINTER(1);
- bool *result = (bool *)PG_GETARG_POINTER(2);
-
- if ( ISSIGNKEY(a) ) { /* then b also ISSIGNKEY */
- if ( ISALLTRUE(a) && ISALLTRUE(b) ) {
+gtxtidx_same(PG_FUNCTION_ARGS)
+{
+ GISTTYPE *a = (GISTTYPE *) PG_GETARG_POINTER(0);
+ GISTTYPE *b = (GISTTYPE *) PG_GETARG_POINTER(1);
+ bool *result = (bool *) PG_GETARG_POINTER(2);
+
+ if (ISSIGNKEY(a))
+ { /* then b also ISSIGNKEY */
+ if (ISALLTRUE(a) && ISALLTRUE(b))
*result = true;
- } else if ( ISALLTRUE(a) ) {
+ else if (ISALLTRUE(a))
*result = false;
- } else if ( ISALLTRUE(b) ) {
+ else if (ISALLTRUE(b))
*result = false;
- } else {
- int4 i;
- BITVECP sa=GETSIGN(a), sb=GETSIGN(b);
-
+ else
+ {
+ int4 i;
+ BITVECP sa = GETSIGN(a),
+ sb = GETSIGN(b);
+
*result = true;
LOOPBYTE(
- if ( sa[i] != sb[i] ) {
- *result = false;
- break;
- }
+ if (sa[i] != sb[i])
+ {
+ *result = false;
+ break;
+ }
);
- }
- } else { /* a and b ISARRKEY */
- int4 lena = ARRNELEM(a), lenb = ARRNELEM(b);
+ }
+ }
+ else
+ { /* a and b ISARRKEY */
+ int4 lena = ARRNELEM(a),
+ lenb = ARRNELEM(b);
- if ( lena != lenb ) {
+ if (lena != lenb)
*result = false;
- } else {
- int4 *ptra = GETARR(a), *ptrb = GETARR(b);
- int4 i;
+ else
+ {
+ int4 *ptra = GETARR(a),
+ *ptrb = GETARR(b);
+ int4 i;
*result = true;
- for(i=0;i<lena;i++)
- if ( ptra[i] != ptrb[i] ) {
+ for (i = 0; i < lena; i++)
+ if (ptra[i] != ptrb[i])
+ {
*result = false;
break;
}
}
}
-
+
PG_RETURN_POINTER(result);
}
static int4
-sizebitvec( BITVECP sign ) {
- int4 size=0, i;
+sizebitvec(BITVECP sign)
+{
+ int4 size = 0,
+ i;
+
LOOPBYTE(
- size += SUMBIT(*(char*)sign);
- sign = (BITVECP) ( ((char*)sign) + 1 );
+ size += SUMBIT(*(char *) sign);
+ sign = (BITVECP) (((char *) sign) + 1);
);
- return size;
+ return size;
}
Datum
-gtxtidx_penalty(PG_FUNCTION_ARGS) {
- GISTENTRY *origentry = (GISTENTRY *)PG_GETARG_POINTER(0); /*always ISSIGNKEY*/
- GISTENTRY *newentry = (GISTENTRY *)PG_GETARG_POINTER(1);
- float *penalty = (float *) PG_GETARG_POINTER(2);
- GISTTYPE *origval = (GISTTYPE*)DatumGetPointer( origentry->key );
- GISTTYPE *newval = (GISTTYPE*)DatumGetPointer( newentry->key );
- int4 unionsize = 0;
- BITVECP orig = GETSIGN(origval);
-
- if ( ISALLTRUE(origval) ) {
+gtxtidx_penalty(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *origentry = (GISTENTRY *) PG_GETARG_POINTER(0); /* always ISSIGNKEY */
+ GISTENTRY *newentry = (GISTENTRY *) PG_GETARG_POINTER(1);
+ float *penalty = (float *) PG_GETARG_POINTER(2);
+ GISTTYPE *origval = (GISTTYPE *) DatumGetPointer(origentry->key);
+ GISTTYPE *newval = (GISTTYPE *) DatumGetPointer(newentry->key);
+ int4 unionsize = 0;
+ BITVECP orig = GETSIGN(origval);
+
+ if (ISALLTRUE(origval))
+ {
*penalty = 0.0;
- PG_RETURN_POINTER( penalty );
+ PG_RETURN_POINTER(penalty);
}
- if ( ISARRKEY(newval) ) {
- int4 *ptr=GETARR(newval), n=ARRNELEM(newval);
- while( n-- ) {
- if ( GETBIT(orig, HASHVAL( *ptr ) ) == 0 )
+ if (ISARRKEY(newval))
+ {
+ int4 *ptr = GETARR(newval),
+ n = ARRNELEM(newval);
+
+ while (n--)
+ {
+ if (GETBIT(orig, HASHVAL(*ptr)) == 0)
unionsize++;
ptr++;
}
- *penalty = (float)unionsize;
- } else {
- if ( ISALLTRUE(newval) ) {
- *penalty = (float) (SIGLENBIT - sizebitvec( orig ) );
- } else {
- char valtmp;
- BITVECP nval = GETSIGN(newval);
- int4 i;
+ *penalty = (float) unionsize;
+ }
+ else
+ {
+ if (ISALLTRUE(newval))
+ *penalty = (float) (SIGLENBIT - sizebitvec(orig));
+ else
+ {
+ char valtmp;
+ BITVECP nval = GETSIGN(newval);
+ int4 i;
LOOPBYTE(
- valtmp = nval[i] | orig[i];
- unionsize += SUMBIT(valtmp) - SUMBIT(orig[i]);
+ valtmp = nval[i] | orig[i];
+ unionsize += SUMBIT(valtmp) - SUMBIT(orig[i]);
);
- *penalty = (float)unionsize;
- }
+ *penalty = (float) unionsize;
+ }
}
- PG_RETURN_POINTER( penalty );
+ PG_RETURN_POINTER(penalty);
}
-typedef struct {
- bool allistrue;
- BITVEC sign;
-} CACHESIGN;
+typedef struct
+{
+ bool allistrue;
+ BITVEC sign;
+} CACHESIGN;
static void
-fillcache( CACHESIGN *item, GISTTYPE *key ) {
+fillcache(CACHESIGN * item, GISTTYPE * key)
+{
item->allistrue = false;
- if ( ISARRKEY( key ) ) {
+ if (ISARRKEY(key))
makesign(item->sign, key);
- } else if ( ISALLTRUE(key) ) {
+ else if (ISALLTRUE(key))
item->allistrue = true;
- } else {
- memcpy( (void*)item->sign, (void*)GETSIGN(key), sizeof(BITVEC));
- }
-}
+ else
+ memcpy((void *) item->sign, (void *) GETSIGN(key), sizeof(BITVEC));
+}
#define WISH_F(a,b,c) (double)( -(double)(((a)-(b))*((a)-(b))*((a)-(b)))*(c) )
-typedef struct {
- OffsetNumber pos;
- int4 cost;
+typedef struct
+{
+ OffsetNumber pos;
+ int4 cost;
} SPLITCOST;
static int
-comparecost( const void *a, const void *b ) {
- if ( ((SPLITCOST*)a)->cost == ((SPLITCOST*)b)->cost )
+comparecost(const void *a, const void *b)
+{
+ if (((SPLITCOST *) a)->cost == ((SPLITCOST *) b)->cost)
return 0;
else
- return ( ((SPLITCOST*)a)->cost > ((SPLITCOST*)b)->cost ) ? 1 : -1;
+ return (((SPLITCOST *) a)->cost > ((SPLITCOST *) b)->cost) ? 1 : -1;
}
Datum
-gtxtidx_picksplit(PG_FUNCTION_ARGS) {
- bytea *entryvec = (bytea *)PG_GETARG_POINTER(0);
- GIST_SPLITVEC *v = (GIST_SPLITVEC *)PG_GETARG_POINTER(1);
- OffsetNumber k,j;
- GISTTYPE *datum_l, *datum_r;
- BITVEC union_l, union_r;
- bool firsttime = true;
- int4 size_alpha,size_beta,sizeu,sizei;
- int4 size_waste, waste = 0.0;
- int4 size_l, size_r;
- int4 nbytes;
- OffsetNumber seed_1=0, seed_2=0;
- OffsetNumber *left, *right;
+gtxtidx_picksplit(PG_FUNCTION_ARGS)
+{
+ bytea *entryvec = (bytea *) PG_GETARG_POINTER(0);
+ GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
+ OffsetNumber k,
+ j;
+ GISTTYPE *datum_l,
+ *datum_r;
+ BITVEC union_l,
+ union_r;
+ bool firsttime = true;
+ int4 size_alpha,
+ size_beta,
+ sizeu,
+ sizei;
+ int4 size_waste,
+ waste = 0.0;
+ int4 size_l,
+ size_r;
+ int4 nbytes;
+ OffsetNumber seed_1 = 0,
+ seed_2 = 0;
+ OffsetNumber *left,
+ *right;
OffsetNumber maxoff;
- BITVECP ptra, ptrb, ptrc;
- int i;
+ BITVECP ptra,
+ ptrb,
+ ptrc;
+ int i;
CACHESIGN *cache;
- char valtmp;
- SPLITCOST *costvector;
+ char valtmp;
+ SPLITCOST *costvector;
maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 2;
nbytes = (maxoff + 2) * sizeof(OffsetNumber);
v->spl_left = (OffsetNumber *) palloc(nbytes);
v->spl_right = (OffsetNumber *) palloc(nbytes);
- cache = (CACHESIGN*)palloc(sizeof(CACHESIGN)*(maxoff+2));
- fillcache( &cache[FirstOffsetNumber], GETENTRY(entryvec,FirstOffsetNumber) );
+ cache = (CACHESIGN *) palloc(sizeof(CACHESIGN) * (maxoff + 2));
+ fillcache(&cache[FirstOffsetNumber], GETENTRY(entryvec, FirstOffsetNumber));
- for (k = FirstOffsetNumber; k < maxoff; k = OffsetNumberNext(k)) {
- for (j = OffsetNumberNext(k); j <= maxoff; j = OffsetNumberNext(j)) {
- if ( k==FirstOffsetNumber )
- fillcache( &cache[j], GETENTRY(entryvec,j) );
-
- if ( cache[k].allistrue || cache[j].allistrue ) {
+ for (k = FirstOffsetNumber; k < maxoff; k = OffsetNumberNext(k))
+ {
+ for (j = OffsetNumberNext(k); j <= maxoff; j = OffsetNumberNext(j))
+ {
+ if (k == FirstOffsetNumber)
+ fillcache(&cache[j], GETENTRY(entryvec, j));
+
+ if (cache[k].allistrue || cache[j].allistrue)
+ {
sizeu = SIGLENBIT;
- if ( cache[k].allistrue && cache[j].allistrue )
+ if (cache[k].allistrue && cache[j].allistrue)
sizei = SIGLENBIT;
else
- sizei = ( cache[k].allistrue ) ?
- sizebitvec( cache[j].sign ) : sizebitvec( cache[k].sign );
- } else {
+ sizei = (cache[k].allistrue) ?
+ sizebitvec(cache[j].sign) : sizebitvec(cache[k].sign);
+ }
+ else
+ {
sizeu = sizei = 0;
ptra = cache[j].sign;
ptrb = cache[k].sign;
@@ -492,21 +582,22 @@ gtxtidx_picksplit(PG_FUNCTION_ARGS) {
sizeu++; \
} while(0)
LOOPBYTE(
- COUNT(0);
- COUNT(1);
- COUNT(2);
- COUNT(3);
- COUNT(4);
- COUNT(5);
- COUNT(6);
- COUNT(7);
- ptra = (BITVECP) ( ((char*)ptra) + 1 );
- ptrb = (BITVECP) ( ((char*)ptrb) + 1 );
+ COUNT(0);
+ COUNT(1);
+ COUNT(2);
+ COUNT(3);
+ COUNT(4);
+ COUNT(5);
+ COUNT(6);
+ COUNT(7);
+ ptra = (BITVECP) (((char *) ptra) + 1);
+ ptrb = (BITVECP) (((char *) ptrb) + 1);
);
}
size_waste = sizeu - sizei;
- if (size_waste > waste || firsttime) {
+ if (size_waste > waste || firsttime)
+ {
waste = size_waste;
seed_1 = k;
seed_2 = j;
@@ -520,142 +611,177 @@ gtxtidx_picksplit(PG_FUNCTION_ARGS) {
right = v->spl_right;
v->spl_nright = 0;
- if ( seed_1 == 0 || seed_2 == 0 ) {
+ if (seed_1 == 0 || seed_2 == 0)
+ {
seed_1 = 1;
seed_2 = 2;
}
- /* form initial .. */
- if ( cache[seed_1].allistrue ) {
- datum_l = (GISTTYPE*)palloc( CALCGTSIZE( SIGNKEY|ALLISTRUE, 0 ) );
- datum_l->len = CALCGTSIZE( SIGNKEY|ALLISTRUE, 0 ); datum_l->flag = SIGNKEY|ALLISTRUE;
+ /* form initial .. */
+ if (cache[seed_1].allistrue)
+ {
+ datum_l = (GISTTYPE *) palloc(CALCGTSIZE(SIGNKEY | ALLISTRUE, 0));
+ datum_l->len = CALCGTSIZE(SIGNKEY | ALLISTRUE, 0);
+ datum_l->flag = SIGNKEY | ALLISTRUE;
size_l = SIGLENBIT;
- } else {
- datum_l = (GISTTYPE*)palloc( CALCGTSIZE( SIGNKEY, 0 ) );
- datum_l->len = CALCGTSIZE( SIGNKEY, 0 ); datum_l->flag = SIGNKEY;
- memcpy((void*)GETSIGN(datum_l), (void*)cache[seed_1].sign, sizeof(BITVEC));
- size_l = sizebitvec( GETSIGN(datum_l) );
}
- if ( cache[seed_2].allistrue ) {
- datum_r = (GISTTYPE*)palloc( CALCGTSIZE( SIGNKEY|ALLISTRUE, 0 ) );
- datum_r->len = CALCGTSIZE( SIGNKEY|ALLISTRUE, 0 ); datum_r->flag = SIGNKEY|ALLISTRUE;
+ else
+ {
+ datum_l = (GISTTYPE *) palloc(CALCGTSIZE(SIGNKEY, 0));
+ datum_l->len = CALCGTSIZE(SIGNKEY, 0);
+ datum_l->flag = SIGNKEY;
+ memcpy((void *) GETSIGN(datum_l), (void *) cache[seed_1].sign, sizeof(BITVEC));
+ size_l = sizebitvec(GETSIGN(datum_l));
+ }
+ if (cache[seed_2].allistrue)
+ {
+ datum_r = (GISTTYPE *) palloc(CALCGTSIZE(SIGNKEY | ALLISTRUE, 0));
+ datum_r->len = CALCGTSIZE(SIGNKEY | ALLISTRUE, 0);
+ datum_r->flag = SIGNKEY | ALLISTRUE;
size_r = SIGLENBIT;
- } else {
- datum_r = (GISTTYPE*)palloc( CALCGTSIZE( SIGNKEY, 0 ) );
- datum_r->len = CALCGTSIZE( SIGNKEY, 0 ); datum_r->flag = SIGNKEY;
- memcpy((void*)GETSIGN(datum_r), (void*)cache[seed_2].sign, sizeof(BITVEC));
- size_r = sizebitvec( GETSIGN(datum_r) );
}
-
+ else
+ {
+ datum_r = (GISTTYPE *) palloc(CALCGTSIZE(SIGNKEY, 0));
+ datum_r->len = CALCGTSIZE(SIGNKEY, 0);
+ datum_r->flag = SIGNKEY;
+ memcpy((void *) GETSIGN(datum_r), (void *) cache[seed_2].sign, sizeof(BITVEC));
+ size_r = sizebitvec(GETSIGN(datum_r));
+ }
+
maxoff = OffsetNumberNext(maxoff);
- fillcache( &cache[maxoff], GETENTRY(entryvec,maxoff) );
+ fillcache(&cache[maxoff], GETENTRY(entryvec, maxoff));
/* sort before ... */
- costvector=(SPLITCOST*)palloc( sizeof(SPLITCOST)*maxoff );
- for (j = FirstOffsetNumber; j <= maxoff; j = OffsetNumberNext(j)) {
- costvector[j-1].pos = j;
- if ( cache[j].allistrue ) {
+ costvector = (SPLITCOST *) palloc(sizeof(SPLITCOST) * maxoff);
+ for (j = FirstOffsetNumber; j <= maxoff; j = OffsetNumberNext(j))
+ {
+ costvector[j - 1].pos = j;
+ if (cache[j].allistrue)
+ {
size_alpha = SIGLENBIT - size_l;
- size_beta = SIGLENBIT - size_r;
- } else {
+ size_beta = SIGLENBIT - size_r;
+ }
+ else
+ {
ptra = cache[seed_1].sign;
ptrb = cache[seed_2].sign;
ptrc = cache[j].sign;
size_beta = size_alpha = 0;
- if ( cache[seed_1].allistrue ) {
- if ( ! cache[seed_2].allistrue ) {
+ if (cache[seed_1].allistrue)
+ {
+ if (!cache[seed_2].allistrue)
+ {
LOOPBIT(
- if ( GETBIT(ptrc,i) && ! GETBIT(ptrb,i) )
+ if (GETBIT(ptrc, i) && !GETBIT(ptrb, i))
size_beta++;
- );
+ );
}
- } else if ( cache[seed_2].allistrue ) {
- if ( ! cache[seed_1].allistrue ) {
+ }
+ else if (cache[seed_2].allistrue)
+ {
+ if (!cache[seed_1].allistrue)
+ {
LOOPBIT(
- if ( GETBIT(ptrc,i) && ! GETBIT(ptra,i) )
+ if (GETBIT(ptrc, i) && !GETBIT(ptra, i))
size_alpha++;
- );
+ );
}
- } else {
+ }
+ else
+ {
LOOPBIT(
- if ( GETBIT(ptrc,i) && ! GETBIT(ptra,i) )
- size_alpha++;
- if ( GETBIT(ptrc,i) && ! GETBIT(ptrb,i) )
- size_beta++;
+ if (GETBIT(ptrc, i) && !GETBIT(ptra, i))
+ size_alpha++;
+ if (GETBIT(ptrc, i) && !GETBIT(ptrb, i))
+ size_beta++;
);
}
}
- costvector[j-1].cost = abs( size_alpha - size_beta );
+ costvector[j - 1].cost = abs(size_alpha - size_beta);
}
- qsort( (void*)costvector, maxoff, sizeof(SPLITCOST), comparecost );
-
- for (k = 0; k < maxoff; k++) {
+ qsort((void *) costvector, maxoff, sizeof(SPLITCOST), comparecost);
+
+ for (k = 0; k < maxoff; k++)
+ {
j = costvector[k].pos;
- if ( j == seed_1 ) {
+ if (j == seed_1)
+ {
*left++ = j;
v->spl_nleft++;
continue;
- } else if ( j == seed_2 ) {
+ }
+ else if (j == seed_2)
+ {
*right++ = j;
v->spl_nright++;
continue;
}
- if ( ISALLTRUE( datum_l ) || cache[j].allistrue ) {
+ if (ISALLTRUE(datum_l) || cache[j].allistrue)
size_alpha = SIGLENBIT;
- } else {
+ else
+ {
ptra = cache[j].sign;
ptrb = GETSIGN(datum_l);
size_alpha = 0;
LOOPBYTE(
- valtmp = union_l[i] = ptra[i] | ptrb[i];
- size_alpha += SUMBIT( valtmp );
+ valtmp = union_l[i] = ptra[i] | ptrb[i];
+ size_alpha += SUMBIT(valtmp);
);
}
- if ( ISALLTRUE( datum_r ) || cache[j].allistrue ) {
+ if (ISALLTRUE(datum_r) || cache[j].allistrue)
size_beta = SIGLENBIT;
- } else {
+ else
+ {
ptra = cache[j].sign;
ptrb = GETSIGN(datum_r);
size_beta = 0;
LOOPBYTE(
- valtmp = union_r[i] = ptra[i] | ptrb[i];
- size_beta += SUMBIT( valtmp );
+ valtmp = union_r[i] = ptra[i] | ptrb[i];
+ size_beta += SUMBIT(valtmp);
);
}
- if (size_alpha - size_l < size_beta - size_r + WISH_F(v->spl_nleft, v->spl_nright, 0.1)) {
- if ( ! ISALLTRUE( datum_l ) ) {
- if ( size_alpha == SIGLENBIT ) {
- if ( size_alpha != size_l )
- MemSet( (void*)GETSIGN(datum_l),0xff, sizeof(BITVEC));
- } else
- memcpy( (void*)GETSIGN(datum_l), (void*)union_l, sizeof(BITVEC) );
+ if (size_alpha - size_l < size_beta - size_r + WISH_F(v->spl_nleft, v->spl_nright, 0.1))
+ {
+ if (!ISALLTRUE(datum_l))
+ {
+ if (size_alpha == SIGLENBIT)
+ {
+ if (size_alpha != size_l)
+ MemSet((void *) GETSIGN(datum_l), 0xff, sizeof(BITVEC));
+ }
+ else
+ memcpy((void *) GETSIGN(datum_l), (void *) union_l, sizeof(BITVEC));
}
size_l = size_alpha;
*left++ = j;
v->spl_nleft++;
- } else {
- if ( ! ISALLTRUE( datum_r ) ) {
- if ( size_beta == SIGLENBIT ) {
- if ( size_beta != size_r )
- MemSet( (void*)GETSIGN(datum_r),0xff, sizeof(BITVEC));
- } else
- memcpy( (void*)GETSIGN(datum_r), (void*)union_r, sizeof(BITVEC) );
+ }
+ else
+ {
+ if (!ISALLTRUE(datum_r))
+ {
+ if (size_beta == SIGLENBIT)
+ {
+ if (size_beta != size_r)
+ MemSet((void *) GETSIGN(datum_r), 0xff, sizeof(BITVEC));
+ }
+ else
+ memcpy((void *) GETSIGN(datum_r), (void *) union_r, sizeof(BITVEC));
}
size_r = size_beta;
*right++ = j;
v->spl_nright++;
}
}
-
+
*right = *left = FirstOffsetNumber;
pfree(costvector);
pfree(cache);
v->spl_ldatum = PointerGetDatum(datum_l);
v->spl_rdatum = PointerGetDatum(datum_r);
- PG_RETURN_POINTER( v );
+ PG_RETURN_POINTER(v);
}
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-30 08:13:54 +0000