SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test1
   Function equals (children 1)
    ExpressionList (children 2)
     Function toInt16 (children 1)
      ExpressionList (children 1)
       Identifier i
     Literal UInt64_1777