Function mysql_test_handler_read

sql/sql_prepare.cc:2185–2218

*/

static int mysql_test_handler_read(Prepared_statement *stmt,
                                   TABLE_LIST *tables)
{
  THD *thd= stmt->thd;
  LEX *lex= stmt->lex;
  SQL_HANDLER *ha_table;
  DBUG_ENTER("mysql_test_handler_read");

  lex->first_select_lex()->context.resolve_in_select_list= TRUE;

  /*
    We don't have to test for permissions as this is already done during
    HANDLER OPEN
  */
  if (!(ha_table= mysql_ha_read_prepare(thd, tables, lex->ha_read_mode,
                                        lex->ident.str,
                                        lex->insert_list,
                                        lex->ha_rkey_mode,
                                        lex->first_select_lex()->where)))
    DBUG_RETURN(1);

  if (!stmt->is_sql_prepare())
  {
    if (!lex->result && !(lex->result= new (stmt->mem_root) select_send(thd)))
      DBUG_RETURN(1);

    if (send_prep_stmt(stmt, ha_table->fields.elements) ||
        lex->result->send_result_set_metadata(ha_table->fields, Protocol::SEND_EOF) ||
        thd->protocol->flush())
      DBUG_RETURN(1);
    DBUG_RETURN(2);
  }
  DBUG_RETURN(0);
}


/**