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Cleanup vectors of GISTENTRY and eliminate problem with 64-bit strict-aligned

boxes. Change interface to user-defined GiST support methods union and
picksplit. Now instead of bytea struct it used special GistEntryVector
structure.
This commit is contained in:
Teodor Sigaev
2004-03-30 15:45:33 +00:00
parent 8d9a28eeef
commit f2c064afcb
24 changed files with 185 additions and 195 deletions

View File

@ -22,14 +22,14 @@ btree_decompress(PG_FUNCTION_ARGS)
** The GiST PickSplit method
*/
extern GIST_SPLITVEC *
btree_picksplit(bytea *entryvec, GIST_SPLITVEC *v, BINARY_UNION bu, CMPFUNC cmp)
btree_picksplit(GistEntryVector *entryvec, GIST_SPLITVEC *v, BINARY_UNION bu, CMPFUNC cmp)
{
OffsetNumber i;
RIX *array;
OffsetNumber maxoff;
int nbytes;
maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 1;
maxoff = entryvec->n - 1;
nbytes = (maxoff + 2) * sizeof(OffsetNumber);
v->spl_left = (OffsetNumber *) palloc(nbytes);
v->spl_right = (OffsetNumber *) palloc(nbytes);
@ -43,7 +43,7 @@ btree_picksplit(bytea *entryvec, GIST_SPLITVEC *v, BINARY_UNION bu, CMPFUNC cmp)
for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i))
{
array[i].index = i;
array[i].r = (char *) DatumGetPointer((((GISTENTRY *) (VARDATA(entryvec)))[i].key));
array[i].r = (char *) DatumGetPointer((entryvec->vector[i].key));
}
qsort((void *) &array[FirstOffsetNumber], maxoff - FirstOffsetNumber + 1,
sizeof(RIX), cmp);