database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-27 12:41:57 +03:00
Code Activity

- Add aligment of variable data types

Browse Source 
- Add aligment for interval data types
- Avoid floating point overflow in penalty functions
Janko Richter <jankorichter@yahoo.de> and teodor
This commit is contained in:
Teodor Sigaev
2004-06-03 12:26:10 +00:00
parent 921d749bd4
commit 7b81988f9b
17 changed files with 161 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
contrib/btree_gist/btree_utils_num.c
View File

@ -15,8 +15,8 @@ gbt_num_compress( GISTENTRY *retval , GISTENTRY *entry , const gbtree_ninfo *
TimeADT ts;
DateADT dt;
} v ;
GBT_NUMKEY *r = ( GBT_NUMKEY * ) palloc(2 * tinfo->size);
GBT_NUMKEY *r = ( GBT_NUMKEY * ) palloc(2 * tinfo->size );
void *leaf = NULL;
switch ( tinfo->t )
@ -45,12 +45,12 @@ gbt_num_compress( GISTENTRY *retval , GISTENTRY *entry , const gbtree_ninfo *
leaf = DatumGetPointer(entry->key);
}
memcpy ( (void*) &r[0] , leaf, tinfo->size );
memcpy ( (void*) &r[tinfo->size] , leaf, tinfo->size );
memset ( (void*) &r[0] , 0 , 2*tinfo->size );
memcpy ( (void*) &r[0] , leaf, tinfo->size );
memcpy ( (void*) &r[tinfo->size] , leaf, tinfo->size );
retval = palloc(sizeof(GISTENTRY));
gistentryinit(*retval, PointerGetDatum(r), entry->rel, entry->page,
entry->offset,( 2 * tinfo->size), FALSE);
entry->offset,( 2 * tinfo->size ), FALSE);
} else
retval = entry;
@ -72,8 +72,8 @@ gbt_num_union( GBT_NUMKEY * out, const GistEntryVector * entryvec, const gbtree_
GBT_NUMKEY * cur ;
GBT_NUMKEY_R o, c;
numranges = entryvec->n;
cur = (GBT_NUMKEY *) DatumGetPointer((entryvec->vector[0].key));
numranges = entryvec->n;
cur = (GBT_NUMKEY *) DatumGetPointer((entryvec->vector[0].key));
o.lower = &((GBT_NUMKEY *)out)[0];
@ -86,7 +86,6 @@ gbt_num_union( GBT_NUMKEY * out, const GistEntryVector * entryvec, const gbtree_
cur = (GBT_NUMKEY *) DatumGetPointer((entryvec->vector[i].key));
c.lower = &cur[0];
c.upper = &cur[tinfo->size];
if ( (*tinfo->f_gt)(o.lower, c.lower) ) /* out->lower > cur->lower */
memcpy( (void* ) o.lower, (void*) c.lower, tinfo->size );
if ( (*tinfo->f_lt)(o.upper, c.upper) ) /* out->upper < cur->upper */
@ -127,26 +126,26 @@ gbt_num_bin_union(Datum * u , GBT_NUMKEY * e , const gbtree_ninfo * tinfo )
{
GBT_NUMKEY_R rd;
rd.lower = &e[0];
rd.upper = &e[tinfo->size];
if (!DatumGetPointer(*u))
{
*u = PointerGetDatum(palloc(2 * tinfo->size));
memcpy( (void* ) &( ( (GBT_NUMKEY *) DatumGetPointer(*u) )[0] ) , (void*)rd.lower , tinfo->size );
memcpy( (void* ) &( ( (GBT_NUMKEY *) DatumGetPointer(*u) )[0] ) , (void*)rd.lower , tinfo->size );
memcpy( (void* ) &( ( (GBT_NUMKEY *) DatumGetPointer(*u) )[tinfo->size]) , (void*)rd.upper , tinfo->size );
}
else
{
GBT_NUMKEY_R ur ;
ur.lower = &( ( (GBT_NUMKEY *) DatumGetPointer(*u) )[0] ) ;
ur.lower = &( ( (GBT_NUMKEY *) DatumGetPointer(*u) )[0] ) ;
ur.upper = &( ( (GBT_NUMKEY *) DatumGetPointer(*u) )[tinfo->size]) ;
if ( (*tinfo->f_gt)((void*)ur.lower, (void*)rd.lower) )
memcpy( (void*) ur.lower, (void*) rd.lower, tinfo->size );
if ( (*tinfo->f_lt)((void*)ur.upper, (void*)rd.upper) )
memcpy( (void*) ur.upper, (void*) rd.upper, tinfo->size );
}
}