X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=vector%2Ftupleitem.c;h=c63e3ec1072bb3544af68f74fa39e46a7840b412;hb=e7cfb732dbf345432b0832c32b99b17a1741b206;hp=14c3b3ba89795aa1f928efd003353e864d7d8ce6;hpb=e47e7f1e366224e9e514e28f172afa65c732db21;p=rrq%2Frrqmisc.git diff --git a/vector/tupleitem.c b/vector/tupleitem.c index 14c3b3b..c63e3ec 100644 --- a/vector/tupleitem.c +++ b/vector/tupleitem.c @@ -22,7 +22,7 @@ * vector placement is made at the first empty or hole slot following * the hashcode index. */ -static unsigned long tupleitem_hashcode(itemkeyfun *this,void *key) { +static unsigned long tupleitem_hashcode(void *this,void *key) { tupleschema *def = (tupleschema *) this; tuple *kp = (tuple*) key; int i = 0; @@ -40,18 +40,24 @@ static unsigned long tupleitem_hashcode(itemkeyfun *this,void *key) { * This callback function determines whether an item has a * given key or not. */ -static int tupleitem_haskey(itemkeyfun *this,void *item,void *key) { +static int tupleitem_haskey(void *this,void *item,void *key) { tupleschema *def = (tupleschema *) this; tuple *kp = (tuple*) key; tuple *tp = (tuple*) item; int i = 0; - int haskey = 1; for ( ; i < def->arity; i++ ) { - if ( COLUMN[i] ) { - haskey &= COLUMN[i]->haskey( COLUMN[i], (*tp)[i], (*kp)[i] ); + if ( COLUMN[i] == 0 ) { + if ( (*kp)[i] && (*tp)[i] != (*kp)[i] ) { + return 0; + } + continue; + } + if ( (*kp)[i] && + COLUMN[i]->haskey( COLUMN[i], (*tp)[i], (*kp)[i] ) == 0 ) { + return 0; } } - return haskey; + return 1; } @@ -59,7 +65,7 @@ static int tupleitem_haskey(itemkeyfun *this,void *item,void *key) { * This callback function returns the key of an item by considering * the arity and mask. */ -static void *tupleitem_itemkey(itemkeyfun *this,void *item) { +static void *tupleitem_itemkey(void *this,void *item) { tupleschema *def = (tupleschema *) this; tuple *tp = (tuple*) item; int i, j; @@ -82,7 +88,7 @@ static void *tupleitem_itemkey(itemkeyfun *this,void *item) { * This callback function handles a key obtained from the itemkey * callback function to reclaim temporary allocation. */ -static void tupleitem_releasekey(itemkeyfun *this,void *key) { +static void tupleitem_releasekey(void *this,void *key) { tupleschema *def = (tupleschema *) this; tuple *kp = (tuple*) key; int i,j; @@ -110,7 +116,7 @@ tuple *tuple_create(int arity,...) { tupleschema *tupleschema_create(int arity,tuple *columns) { tupleschema *ts = (tupleschema*) malloc( sizeof( tupleschema ) ); (*ts) = (tupleschema) { - .functions = { + .base = { .hashcode = tupleitem_hashcode, .haskey = tupleitem_haskey, .itemkey = tupleitem_itemkey, @@ -153,3 +159,4 @@ unsigned long tuple_mask(int arity,tuple *t) { } return mask; } +