ABAP Select data from SAP table GRPCRTA_S_CTFADPAREAC1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GRPCRTA_S_CTFADPAREAC1 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 GRPCRTA_S_CTFADPAREAC1. 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 GRPCRTA_S_CTFADPAREAC1 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_GRPCRTA_S_CTFADPAREAC1 TYPE STANDARD TABLE OF GRPCRTA_S_CTFADPAREAC1,
      WA_GRPCRTA_S_CTFADPAREAC1 TYPE GRPCRTA_S_CTFADPAREAC1,
      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: <GRPCRTA_S_CTFADPAREAC1> TYPE GRPCRTA_S_CTFADPAREAC1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_GRPCRTA_S_CTFADPAREAC1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM GRPCRTA_S_CTFADPAREAC1
  INTO TABLE IT_GRPCRTA_S_CTFADPAREAC1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPCRTA_S_CTFADPAREAC1
*  INTO TABLE @DATA(IT_GRPCRTA_S_CTFADPAREAC12).
*--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_GRPCRTA_S_CTFADPAREAC1 INDEX 1 INTO DATA(WA_GRPCRTA_S_CTFADPAREAC12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_GRPCRTA_S_CTFADPAREAC1 ASSIGNING <GRPCRTA_S_CTFADPAREAC1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPCRTA_S_CTFADPAREAC1>-GRPCRTA_SEQ = 1.
<GRPCRTA_S_CTFADPAREAC1>-DEFTYPE = 1.
<GRPCRTA_S_CTFADPAREAC1>-T093D_XRESTV = 1.
<GRPCRTA_S_CTFADPAREAC1>-T093D_XKTDAU = 1.
<GRPCRTA_S_CTFADPAREAC1>-T093D_AFBRHY = 1.

ENDLOOP.

LOOP AT IT_GRPCRTA_S_CTFADPAREAC1 INTO WA_GRPCRTA_S_CTFADPAREAC1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPCRTA_S_CTFADPAREAC1-T093D_SOPNET, sy-vline,
  WA_GRPCRTA_S_CTFADPAREAC1-T093D_ZINBUC, sy-vline,
  WA_GRPCRTA_S_CTFADPAREAC1-T093D_AFBKST, sy-vline,
  WA_GRPCRTA_S_CTFADPAREAC1-T093D_AFBAUF, sy-vline,
  WA_GRPCRTA_S_CTFADPAREAC1-T093D_AFBLPE, sy-vline,
  WA_GRPCRTA_S_CTFADPAREAC1-T093D_AFBLGJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPCRTA_S_CTFADPAREAC1 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_GRPCRTA_S_CTFADPAREAC1 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_GRPCRTA_S_CTFADPAREAC1 INTO WA_GRPCRTA_S_CTFADPAREAC1.


*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 GJAHR, internal->external for field T093D_AFBLGJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_GRPCRTA_S_CTFADPAREAC1-T093D_AFBLGJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GRPCRTA_S_CTFADPAREAC1-T093D_AFBLGJ.
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_GRPCRTA_S_CTFADPAREAC1_STR, 
GRPCRTA_SEQ TYPE STRING,
DEFTYPE TYPE STRING,
T093D_XRESTV TYPE STRING,
T093D_XKTDAU TYPE STRING,
T093D_AFBRHY TYPE STRING,
T093D_SOPNET TYPE STRING,
T093D_ZINBUC TYPE STRING,
T093D_AFBKST TYPE STRING,
T093D_AFBAUF TYPE STRING,
T093D_AFBLPE TYPE STRING,
T093D_AFBLGJ TYPE STRING,
T093D_AFBANZ TYPE STRING,
T093D_XBAFAS TYPE STRING,
T093D_AFSLBE TYPE STRING,
T093D_STATUS TYPE STRING,
T093D_CPUDT TYPE STRING,
T093D_CPUTM TYPE STRING,
T093D_AUFBUC TYPE STRING,
T093D_BUBEG TYPE STRING,
T093D_BUEND TYPE STRING,
BUKRS TYPE STRING,
BUTXT TYPE STRING,
SCRTEXT TYPE STRING,
DEFDESC TYPE STRING,
CHANGE_TYPE TYPE STRING,
VALUE_OLD TYPE STRING,
VALUE_NEW TYPE STRING,
UDATE TYPE STRING,
UTIME TYPE STRING,
USERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPCRTA_S_CTFADPAREAC1_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_GRPCRTA_S_CTFADPAREAC1_STR-GRPCRTA_SEQ sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-DEFTYPE sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_XRESTV sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_XKTDAU sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFBRHY sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_SOPNET sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_ZINBUC sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFBKST sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFBAUF sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFBLPE sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFBLGJ sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFBANZ sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_XBAFAS sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AFSLBE sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_STATUS sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_CPUDT sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_CPUTM sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_AUFBUC sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_BUBEG sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-T093D_BUEND sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-BUKRS sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-BUTXT sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-SCRTEXT sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-DEFDESC sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-CHANGE_TYPE sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-VALUE_OLD sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-VALUE_NEW sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-UDATE sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-UTIME sy-vline 
WA_GRPCRTA_S_CTFADPAREAC1_STR-USERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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