SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function CRC32 (children 1)
     ExpressionList (children 1)
      Identifier str1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier table1
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function CRC32 (children 1)
      ExpressionList (children 1)
       Identifier str1