SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier file_segment_range_begin
    Identifier file_segment_range_end
    Identifier size
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.filesystem_cache
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier cache_name
     Literal \'02240_filesystem_query_cache\'