Function mysql_prepare_insert

sql/sql_insert.cc:1800–1957

*/

int mysql_prepare_insert(THD *thd, TABLE_LIST *table_list,
                         List<Item> &fields, List_item *values,
                         List<Item> &update_fields, List<Item> &update_values,
                         enum_duplicates duplic, bool ignore,
                         COND **where,
                         bool select_insert, bool * const cache_insert_values)
{
  SELECT_LEX *select_lex= thd->lex->first_select_lex();
  Name_resolution_context *context= &select_lex->context;
  Name_resolution_context_state ctx_state;
  bool insert_into_view= (table_list->view != 0);
  bool res= 0;
  table_map map= 0;
  TABLE *table;
  DBUG_ENTER("mysql_prepare_insert");
  DBUG_PRINT("enter", ("table_list: %p  view: %d",
		       table_list, (int) insert_into_view));
  /* INSERT should have a SELECT or VALUES clause */
  DBUG_ASSERT (!select_insert || !values);

  if (mysql_handle_derived(thd->lex, DT_INIT))
    DBUG_RETURN(1);
  if (table_list->handle_derived(thd->lex, DT_MERGE_FOR_INSERT))
    DBUG_RETURN(1);
  if (thd->lex->handle_list_of_derived(table_list, DT_PREPARE))
    DBUG_RETURN(1);

  if (duplic == DUP_UPDATE)
  {
    /* it should be allocated before Item::fix_fields() */
    if (table_list->set_insert_values(thd->mem_root))
      DBUG_RETURN(1);
  }

  table= table_list->table;

  if (table->file->check_if_updates_are_ignored("INSERT"))
    DBUG_RETURN(-1);

  if (mysql_prepare_insert_check_table(thd, table_list, fields, select_insert))
    DBUG_RETURN(1);

  /* Prepare the fields in the statement. */
  if (values)
  {
    /* if we have INSERT ... VALUES () we cannot have a GROUP BY clause */
    DBUG_ASSERT (!select_lex->group_list.elements);

    /* Save the state of the current name resolution context. */
    ctx_state.save_state(context, table_list);

    /*
      Perform name resolution only in the first table - 'table_list',
      which is the table that is inserted into.
     */
    table_list->next_local= 0;
    context->resolve_in_table_list_only(table_list);