Function find_table

sql/sql_base.cc:1361–1403

static
TABLE_LIST*
find_table(THD *thd, TABLE_LIST *table, TABLE_LIST *table_list,
           uint check_flag, SELECT_LEX *sel, find_table_callback callback )
{
  TABLE_LIST *dup;

  table= table->find_table_for_update();

  if (table->table &&
      table->table->file->ha_table_flags() & HA_CAN_MULTISTEP_MERGE)
  {
    TABLE_LIST *child;
    dup= NULL;
    /* Check duplicates of all merge children. */
    for (child= table->next_global; child;
         child= child->next_global)
    {
      if (child->table &&
          child->table->file->ha_table_flags() & HA_CAN_MULTISTEP_MERGE)
        continue;

      /*
        Ensure that the child has one parent that is the table that is
        updated.
      */
      TABLE_LIST *tmp_parent= child;
      while ((tmp_parent= tmp_parent->parent_l))
      {
        if (tmp_parent == table)
          break;
      }
      if (!tmp_parent)
        break;

      if ((dup= (*callback)(thd, child, child->next_global, check_flag, sel)))
        break;
    }
  }
  else
    dup= (*callback)(thd, table, table_list, check_flag, sel);
  return dup;
}


/*