(rasqal_new_row_from_row_deep): Add to deep copy row

Does not deep copy the literals; just regular reference counting.

src/rasqal_internal.h

@@ -1451,6 +1451,7 @@ int rasqal_init_result_format_rdf(rasqal_world*);
 /* rasqal_row.c */
 rasqal_row* rasqal_new_row(rasqal_rowsource* rowsource);
 rasqal_row* rasqal_new_row_from_row(rasqal_row* row);
+rasqal_row* rasqal_new_row_from_row_deep(rasqal_row* row);
 int rasqal_row_print(rasqal_row* row, FILE* fh);
 int rasqal_row_write(rasqal_row* row, raptor_iostream* iostr);
 raptor_sequence* rasqal_new_row_sequence(rasqal_world* world, rasqal_variables_table* vt, const char* const row_data[], int vars_count, raptor_sequence** vars_seq_p);

src/rasqal_row.c

@@ -144,6 +144,34 @@ rasqal_new_row_from_row(rasqal_row* row)
 }
 
 
+/**
+ * rasqal_new_row_from_row_deep:
+ * @row: query result row
+ *
+ * INTERNAL - Deep copy a query result row.
+ *
+ * Return value: a newly allocated query result row or NULL
+ */
+rasqal_row*
+rasqal_new_row_from_row_deep(rasqal_row* row)
+{
+ rasqal_row* new_row;
+
+ new_row = rasqal_new_row_common(row->rowsource->world, row->size, row->order_size);
+ if(row->values) {
+ int i;
+ for(i = 0; i < row->size; i++)
+ new_row->values[i] = rasqal_new_literal_from_literal(row->values[i]);
+ }
+ if(row->order_values) {
+ int i;
+ for(i = 0; i < row->order_size; i++)
+ new_row->order_values[i] = rasqal_new_literal_from_literal(row->order_values[i]);
+ }
+ return new_row;
+}
+
+
 /**
  * rasqal_free_row:
  * @row: query result row