ObjPgSQL  Diff

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- (OFEnumerator*)objectEnumerator
{
	return [[[PGResultRowObjectEnumerator alloc]
	    initWithResult: result
		       row: row] autorelease];
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
			   objects: (id*)objects
			     count: (int)count
{
	int i, j;

	if (state->extra[0] == 0) {
		state->extra[0] = 1;
		state->extra[1] = PQnfields(res);
	}

	if (count > SIZE_MAX - state->state)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];

	if (state->state + count > state->extra[1])
		count = state->extra[1] - state->state;

	for (i = j = 0; i < count; i++) {
		if (PQgetisnull(res, row, state->state + i))
			continue;

		objects[j++] = [OFString stringWithUTF8String:
		    PQfname(res, state->state + i)];
	}

	state->state += count;
	state->itemsPtr = objects;
	state->mutationsPtr = (unsigned long*)self;

	return j;
}
@end

@implementation PGResultRowEnumerator
- initWithResult: (PGResult*)result_
	     row: (int)row_
{
	self = [super init];