SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 8)
    Identifier id
    Identifier i32 (alias x)
    Identifier scale
    Function round (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier scale
    Function roundBankers (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier scale
    Function floor (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier scale
    Function ceil (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier scale
    Function trunc (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier scale
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier id
