SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Function divide (alias width) (children 1)
     ExpressionList (children 2)
      Identifier number
      Literal UInt64_8
    Function bar (alias b) (children 1)
     ExpressionList (children 4)
      Identifier width
      Literal UInt64_0
      Literal UInt64_3
      Literal UInt64_3
    Function bar (alias b_minus) (children 1)
     ExpressionList (children 4)
      Function minus (children 1)
       ExpressionList (children 2)
        Identifier width
        Literal Float64_0.001
      Literal UInt64_0
      Literal UInt64_3
      Literal UInt64_3
    Function hex (children 1)
     ExpressionList (children 1)
      Identifier b
    Function hex (children 1)
     ExpressionList (children 1)
      Identifier b_minus
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_20