CreateQuery query_run_metric_arrays (children 3)
 Identifier query_run_metric_arrays
 Storage definition (children 1)
  Function Memory
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Subquery (alias all_metrics) (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Subquery (alias all_names) (children 1)
           SelectWithUnionQuery (children 1)
            ExpressionList (children 1)
             SelectQuery (children 2)
              ExpressionList (children 1)
               Function groupUniqArrayArray (children 1)
                ExpressionList (children 1)
                 Literal Array_[\'a\', \'b\']
              TablesInSelectQuery (children 1)
               TablesInSelectQueryElement (children 1)
                TableExpression (children 1)
                 Function numbers (children 1)
                  ExpressionList (children 1)
                   Literal UInt64_1
         ExpressionList (children 1)
          Identifier all_names
    ExpressionList (children 1)
     Identifier all_metrics
