ABAP Select data from SAP table GRPCCASETL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GRPCCASETL 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 GRPCCASETL. 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 GRPCCASETL 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_GRPCCASETL TYPE STANDARD TABLE OF GRPCCASETL,
      WA_GRPCCASETL TYPE GRPCCASETL,
      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: <GRPCCASETL> TYPE GRPCCASETL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPCCASETL
*  INTO TABLE @DATA(IT_GRPCCASETL2).
*--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_GRPCCASETL INDEX 1 INTO DATA(WA_GRPCCASETL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPCCASETL>-MANDT = 1.
<GRPCCASETL>-CASE_GUID = 1.
<GRPCCASETL>-DATE_BEGIN = 1.
<GRPCCASETL>-DATE_END = 1.
<GRPCCASETL>-TIMEFRAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPCCASETL-TF_YEAR, sy-vline,
  WA_GRPCCASETL-REGULATION, sy-vline,
  WA_GRPCCASETL-TESTER_NUMB, sy-vline,
  WA_GRPCCASETL-TESTING_DATE, sy-vline,
  WA_GRPCCASETL-TESTING_METHOD, sy-vline,
  WA_GRPCCASETL-TESTING_TEC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPCCASETL 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_GRPCCASETL 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_GRPCCASETL INTO WA_GRPCCASETL.


*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.

*Conversion exit TSTPS, internal->external for field TIMESTAMPDLL
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_GRPCCASETL-TIMESTAMPDLL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPCCASETL-TIMESTAMPDLL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TIMESTAMPDLV
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_GRPCCASETL-TIMESTAMPDLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPCCASETL-TIMESTAMPDLV.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_GRPCCASETL_STR, 
MANDT TYPE STRING,
CASE_GUID TYPE STRING,
DATE_BEGIN TYPE STRING,
DATE_END TYPE STRING,
TIMEFRAME TYPE STRING,
TF_YEAR TYPE STRING,
REGULATION TYPE STRING,
TESTER_NUMB TYPE STRING,
TESTING_DATE TYPE STRING,
TESTING_METHOD TYPE STRING,
TESTING_TEC TYPE STRING,
TEST_EXCEPTION TYPE STRING,
TESTING_RATING TYPE STRING,
TEST_AUTOMATION TYPE STRING,
MAIN_USERDLL TYPE STRING,
TIMESTAMPDLL TYPE STRING,
VALIDATED_BY_UN TYPE STRING,
VALIDATION_DATE TYPE STRING,
MAIN_USERDLV TYPE STRING,
TIMESTAMPDLV TYPE STRING,
CF_STATUS TYPE STRING,
RETESTLOG TYPE STRING,
EXT_SYSTEM TYPE STRING,
EXT_TESTER TYPE STRING,
TESTPLAN TYPE STRING,
PLANNED_BY TYPE STRING,
DUE_DATE TYPE STRING,
OWNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPCCASETL_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_GRPCCASETL_STR-MANDT sy-vline 
WA_GRPCCASETL_STR-CASE_GUID sy-vline 
WA_GRPCCASETL_STR-DATE_BEGIN sy-vline 
WA_GRPCCASETL_STR-DATE_END sy-vline 
WA_GRPCCASETL_STR-TIMEFRAME sy-vline 
WA_GRPCCASETL_STR-TF_YEAR sy-vline 
WA_GRPCCASETL_STR-REGULATION sy-vline 
WA_GRPCCASETL_STR-TESTER_NUMB sy-vline 
WA_GRPCCASETL_STR-TESTING_DATE sy-vline 
WA_GRPCCASETL_STR-TESTING_METHOD sy-vline 
WA_GRPCCASETL_STR-TESTING_TEC sy-vline 
WA_GRPCCASETL_STR-TEST_EXCEPTION sy-vline 
WA_GRPCCASETL_STR-TESTING_RATING sy-vline 
WA_GRPCCASETL_STR-TEST_AUTOMATION sy-vline 
WA_GRPCCASETL_STR-MAIN_USERDLL sy-vline 
WA_GRPCCASETL_STR-TIMESTAMPDLL sy-vline 
WA_GRPCCASETL_STR-VALIDATED_BY_UN sy-vline 
WA_GRPCCASETL_STR-VALIDATION_DATE sy-vline 
WA_GRPCCASETL_STR-MAIN_USERDLV sy-vline 
WA_GRPCCASETL_STR-TIMESTAMPDLV sy-vline 
WA_GRPCCASETL_STR-CF_STATUS sy-vline 
WA_GRPCCASETL_STR-RETESTLOG sy-vline 
WA_GRPCCASETL_STR-EXT_SYSTEM sy-vline 
WA_GRPCCASETL_STR-EXT_TESTER sy-vline 
WA_GRPCCASETL_STR-TESTPLAN sy-vline 
WA_GRPCCASETL_STR-PLANNED_BY sy-vline 
WA_GRPCCASETL_STR-DUE_DATE sy-vline 
WA_GRPCCASETL_STR-OWNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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