SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function toUInt32 (children 1)
     ExpressionList (children 1)
      Identifier x
    Identifier y
    Identifier z
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier pk
   Function and (children 1)
    ExpressionList (children 2)
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier x
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal UInt64_0
     Function lessOrEquals (children 1)
      ExpressionList (children 2)
       Identifier x
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal UInt64_59
