ABAP Select data from SAP table GRFN_S_CASE_AGGR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GRFN_S_CASE_AGGR table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to GRFN_S_CASE_AGGR. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the GRFN_S_CASE_AGGR table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_GRFN_S_CASE_AGGR TYPE STANDARD TABLE OF GRFN_S_CASE_AGGR,
      WA_GRFN_S_CASE_AGGR TYPE GRFN_S_CASE_AGGR,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <GRFN_S_CASE_AGGR> TYPE GRFN_S_CASE_AGGR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_GRFN_S_CASE_AGGR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM GRFN_S_CASE_AGGR
  INTO TABLE IT_GRFN_S_CASE_AGGR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRFN_S_CASE_AGGR
*  INTO TABLE @DATA(IT_GRFN_S_CASE_AGGR2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_GRFN_S_CASE_AGGR INDEX 1 INTO DATA(WA_GRFN_S_CASE_AGGR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_GRFN_S_CASE_AGGR ASSIGNING <GRFN_S_CASE_AGGR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRFN_S_CASE_AGGR>-CATEGORY = 1.
<GRFN_S_CASE_AGGR>-REFERENCE = 1.
<GRFN_S_CASE_AGGR>-RATING = 1.
<GRFN_S_CASE_AGGR>-STATUS = 1.
<GRFN_S_CASE_AGGR>-OPEN_ISSUES = 1.

ENDLOOP.

LOOP AT IT_GRFN_S_CASE_AGGR INTO WA_GRFN_S_CASE_AGGR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRFN_S_CASE_AGGR-ISSUES, sy-vline,
  WA_GRFN_S_CASE_AGGR-RMPLANS, sy-vline,
  WA_GRFN_S_CASE_AGGR-CAPAPLANS, sy-vline,
  WA_GRFN_S_CASE_AGGR-ISSUE_PRIO, sy-vline,
  WA_GRFN_S_CASE_AGGR-CASES, sy-vline,
  WA_GRFN_S_CASE_AGGR-CASES_FAILED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRFN_S_CASE_AGGR you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_GRFN_S_CASE_AGGR TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_GRFN_S_CASE_AGGR INTO WA_GRFN_S_CASE_AGGR.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_GRFN_S_CASE_AGGR_STR, 
CATEGORY TYPE STRING,
REFERENCE TYPE STRING,
RATING TYPE STRING,
STATUS TYPE STRING,
OPEN_ISSUES TYPE STRING,
ISSUES TYPE STRING,
RMPLANS TYPE STRING,
CAPAPLANS TYPE STRING,
ISSUE_PRIO TYPE STRING,
CASES TYPE STRING,
CASES_FAILED TYPE STRING,
CASES_REMED TYPE STRING,
DUE_DATE TYPE STRING,
PLANNER_STATUS TYPE STRING,
PLANNER_ID TYPE STRING,
PLANNER_START_DATE TYPE STRING,
PLANNER_END_DATE TYPE STRING,
PLANNER_CREATED_ON TYPE STRING,
RE TYPE STRING,
RE_T TYPE STRING,
SH_RE TYPE STRING,
SH_RE_T TYPE STRING,
COMMENT TYPE STRING,
EXCEPTION TYPE STRING,
REVIEWER TYPE STRING,
TASKPLAN TYPE STRING,
TESTER TYPE STRING,
TEST_OWNER TYPE STRING,
VAL_COMM TYPE STRING,
VAL_USER TYPE STRING,
WF_RECIPIENTS TYPE STRING,
WF_RECIPIENTS_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRFN_S_CASE_AGGR_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_GRFN_S_CASE_AGGR_STR-CATEGORY sy-vline 
WA_GRFN_S_CASE_AGGR_STR-REFERENCE sy-vline 
WA_GRFN_S_CASE_AGGR_STR-RATING sy-vline 
WA_GRFN_S_CASE_AGGR_STR-STATUS sy-vline 
WA_GRFN_S_CASE_AGGR_STR-OPEN_ISSUES sy-vline 
WA_GRFN_S_CASE_AGGR_STR-ISSUES sy-vline 
WA_GRFN_S_CASE_AGGR_STR-RMPLANS sy-vline 
WA_GRFN_S_CASE_AGGR_STR-CAPAPLANS sy-vline 
WA_GRFN_S_CASE_AGGR_STR-ISSUE_PRIO sy-vline 
WA_GRFN_S_CASE_AGGR_STR-CASES sy-vline 
WA_GRFN_S_CASE_AGGR_STR-CASES_FAILED sy-vline 
WA_GRFN_S_CASE_AGGR_STR-CASES_REMED sy-vline 
WA_GRFN_S_CASE_AGGR_STR-DUE_DATE sy-vline 
WA_GRFN_S_CASE_AGGR_STR-PLANNER_STATUS sy-vline 
WA_GRFN_S_CASE_AGGR_STR-PLANNER_ID sy-vline 
WA_GRFN_S_CASE_AGGR_STR-PLANNER_START_DATE sy-vline 
WA_GRFN_S_CASE_AGGR_STR-PLANNER_END_DATE sy-vline 
WA_GRFN_S_CASE_AGGR_STR-PLANNER_CREATED_ON sy-vline 
WA_GRFN_S_CASE_AGGR_STR-RE sy-vline 
WA_GRFN_S_CASE_AGGR_STR-RE_T sy-vline 
WA_GRFN_S_CASE_AGGR_STR-SH_RE sy-vline 
WA_GRFN_S_CASE_AGGR_STR-SH_RE_T sy-vline 
WA_GRFN_S_CASE_AGGR_STR-COMMENT sy-vline 
WA_GRFN_S_CASE_AGGR_STR-EXCEPTION sy-vline 
WA_GRFN_S_CASE_AGGR_STR-REVIEWER sy-vline 
WA_GRFN_S_CASE_AGGR_STR-TASKPLAN sy-vline 
WA_GRFN_S_CASE_AGGR_STR-TESTER sy-vline 
WA_GRFN_S_CASE_AGGR_STR-TEST_OWNER sy-vline 
WA_GRFN_S_CASE_AGGR_STR-VAL_COMM sy-vline 
WA_GRFN_S_CASE_AGGR_STR-VAL_USER sy-vline 
WA_GRFN_S_CASE_AGGR_STR-WF_RECIPIENTS sy-vline 
WA_GRFN_S_CASE_AGGR_STR-WF_RECIPIENTS_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.