ObjPgSQL  Diff

		do {
			if ([parameter isKindOfClass: [OFString class]])
				values[i++] = [parameter UTF8String];
			else if ([parameter isKindOfClass: [OFNumber class]]) {
				OFNumber *number = parameter;

				switch ([number type]) {
				case OF_NUMBER_BOOL:
				case OF_NUMBER_TYPE_BOOL:
					if ([number boolValue])
						values[i++] = "t";
					else
						values[i++] = "f";
					break;
				default:
					values[i++] = [[number description]