Function create_table_for_function

sql/json_table.cc:891–931

*/

TABLE *create_table_for_function(THD *thd, TABLE_LIST *sql_table)
{
  TMP_TABLE_PARAM tp;
  TABLE *table;
  uint field_count= sql_table->table_function->m_columns.elements+1;
  
  DBUG_ENTER("create_table_for_function");

  tp.init();
  tp.table_charset= system_charset_info;
  tp.field_count= field_count;
  {
    Create_json_table maker;

    if (!(table= maker.start(thd, &tp,
                             sql_table->table_function, &sql_table->alias)) ||
        maker.add_json_table_fields(thd, table, sql_table->table_function) ||
        maker.finalize(thd, table, &tp, sql_table->table_function))
    {
      if (table)
        free_tmp_table(thd, table);
      DBUG_RETURN(NULL);
    }
  }
  sql_table->schema_table_name.length= 0;

  my_bitmap_map* bitmaps=
    (my_bitmap_map*) thd->alloc(bitmap_buffer_size(field_count));
  my_bitmap_init(&table->def_read_set, (my_bitmap_map*) bitmaps, field_count);
  table->read_set= &table->def_read_set;
  bitmap_clear_all(table->read_set);
  table->alias_name_used= true;
  table->next= thd->derived_tables;
  thd->derived_tables= table;
  table->s->tmp_table= INTERNAL_TMP_TABLE;
  table->grant.privilege= SELECT_ACL;

  sql_table->table= table;

  DBUG_RETURN(table);
}


int Json_table_column::set(THD *thd, enum_type ctype, const LEX_CSTRING &path,