Function open_tables_for_query

sql/sql_base.cc:5944–5963

bool open_tables_for_query(THD *thd, TABLE_LIST *tables,
                           uint *table_count, uint flags,
                           DML_prelocking_strategy *prelocking_strategy)
{
  MDL_savepoint mdl_savepoint = thd->mdl_context.mdl_savepoint();

  DBUG_ASSERT(tables == thd->lex->query_tables);

  if (open_tables(thd, &tables, table_count,
                  thd->stmt_arena->is_stmt_prepare() ? MYSQL_OPEN_FORCE_SHARED_MDL : 0,
                  prelocking_strategy))
  {
    close_thread_tables(thd);
    /* Don't keep locks for a failed statement. */
    thd->mdl_context.rollback_to_savepoint(mdl_savepoint);
    return true;
  }

  return false;
}


/*