How to loop at Table only having ref to data

问题

I am using the function Module RSAQ_QUERY_CALL, getting back a table

DATA: gr_data TYPE REF TO data
      .


CALL FUNCTION 'RSAQ_QUERY_CALL'
  EXPORTING
    query        = 'ZXXXXXXXX'
    usergroup    = 'XXX'
   VARIANT      = 'TEST'
   SKIP_SELSCREEN                    = 'X'
   DATA_TO_MEMORY                    = 'X'
  IMPORTING
    ref_to_ldata = gr_data
 EXCEPTIONS
   OTHERS       = 11
  .

Now how can I loop at that table? What I tried:

• assign to a filed-symbol
• passing a field-symbol instead of dref

Both did not work.

回答1:

I found the solution (after asking the senior dev..)

FIELD-SYMBOLS: <gt_data> type table,
           <fs_value> type any
           .

ASSIGN gr_data->* to <gt_data>.

LOOP AT <gt_data> ASSIGNING <fs_value>.

ENDLOOP.

回答2:

Refer this code:

    FIELD-SYMBOLS: <gt_data> type table,
                   <fs_value> type any.
    ASSIGN gref_data->* to <gt_data>.
    LOOP AT <gt_data> ASSIGNING <fs_value>.
         write:<fs_value>.                 "Here you will get row by row
    ENDLOOP.

来源：https://stackoverflow.com/questions/39331010/how-to-loop-at-table-only-having-ref-to-data