VALUE fetchRowValue(int size, VALUE *parameters, VALUE self)
{
VALUE value = Qnil;
if(size < 1)
{
rb_raise(rb_eArgError, "Wrong number of arguments (%d for %d)", size, 1);
}
/* Extract the parameters. */
value = getColumnValue(self, parameters[0]);
if(value == Qnil)
{
if(size == 1 && rb_block_given_p())
{
value = rb_yield(rb_ary_new());
}
else
{
if(size == 1)
{
rb_raise(rb_eIndexError, "Column identifier '%s' not found in row.",
STR2CSTR(parameters[0]));
}
value = parameters[1];
}
}
return(value);
}
/**
* This function provides the values_at method for the Row class.
*
* @param self A reference to the Row object to call the method on.
* @param keys An array containing the name of the columns that should be
* included in the output array.
*
* @return An array of the values that match the column names specified.
*
*/
VALUE rowValuesAt(int size, VALUE *keys, VALUE self) {
VALUE result = rb_ary_new();
int i;
for(i = 0; i < size; i++) {
rb_ary_push(result, getColumnValue(self, keys[i]));
}
return(result);
}
attribs_map ResultSet::getTupleValues(void)
{
attribs_map tup_vals;
if(current_tuple < 0 || current_tuple >= getTupleCount())
throw Exception(ERR_REF_TUPLE_INEXISTENT, __PRETTY_FUNCTION__, __FILE__, __LINE__);
for(int col=0; col < getColumnCount(); col++)
tup_vals[getColumnName(col)]=getColumnValue(col);
return(tup_vals);
}
