CreateQuery mv_a (children 3)
 Identifier mv_a
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 6)
     Function count (alias count) (children 1)
      ExpressionList
     Function min (alias min) (children 1)
      ExpressionList (children 1)
       Identifier a
     Function max (alias max) (children 1)
      ExpressionList (children 1)
       Identifier a
     Subquery (alias count_subquery) (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Function count (children 1)
           ExpressionList
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier source_null
     Subquery (alias min_subquery) (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Function min (children 1)
           ExpressionList (children 1)
            Identifier a
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier source_null
     Subquery (alias max_subquery) (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 2)
         ExpressionList (children 1)
          Function max (children 1)
           ExpressionList (children 1)
            Identifier a
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier source_null
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier source_null
    ExpressionList (children 3)
     Identifier count_subquery
     Identifier min_subquery
     Identifier max_subquery
 ViewTargets
