SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 5)
    Function toUInt8 (alias operand) (children 1)
     ExpressionList (children 1)
      Function toInt8 (children 1)
       ExpressionList (children 1)
        Identifier operand
    Function toUInt16 (alias low) (children 1)
     ExpressionList (children 1)
      Function toInt16 (children 1)
       ExpressionList (children 1)
        Identifier low
    Function toUInt32 (alias high) (children 1)
     ExpressionList (children 1)
      Function toInt32 (children 1)
       ExpressionList (children 1)
        Identifier high
    Identifier count
    Function WIDTH_BUCKET (children 1)
     ExpressionList (children 4)
      Identifier operand
      Identifier low
      Identifier high
      Identifier count
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier mytable
   Function notEquals (children 1)
    ExpressionList (children 2)
     Identifier count
     Literal UInt64_0
