ABAP Select data from SAP table RJKSD_GR_DATA_INP_GR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSD_GR_DATA_INP_GR
*  INTO TABLE @DATA(IT_RJKSD_GR_DATA_INP_GR2).
*--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_RJKSD_GR_DATA_INP_GR INDEX 1 INTO DATA(WA_RJKSD_GR_DATA_INP_GR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKSD_GR_DATA_INP_GR>-VERSION = 1.
<RJKSD_GR_DATA_INP_GR>-EKORG = 1.
<RJKSD_GR_DATA_INP_GR>-WERKS = 1.
<RJKSD_GR_DATA_INP_GR>-MED_PROD = 1.
<RJKSD_GR_DATA_INP_GR>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSD_GR_DATA_INP_GR-MEINS, sy-vline,
  WA_RJKSD_GR_DATA_INP_GR-PORDER_LFDNR, sy-vline,
  WA_RJKSD_GR_DATA_INP_GR-PHASEMDL, sy-vline,
  WA_RJKSD_GR_DATA_INP_GR-PHASENBR, sy-vline,
  WA_RJKSD_GR_DATA_INP_GR-SPLIT, sy-vline,
  WA_RJKSD_GR_DATA_INP_GR-TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKSD_GR_DATA_INP_GR 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_RJKSD_GR_DATA_INP_GR 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_RJKSD_GR_DATA_INP_GR INTO WA_RJKSD_GR_DATA_INP_GR.


*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 MATN1, internal->external for field MED_PROD
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-MED_PROD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-MED_PROD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_PRODKIT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-MATNR_PRODKIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-MATNR_PRODKIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MAT_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-MAT_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-MAT_DOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field DOC_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_GR_DATA_INP_GR-DOC_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_INP_GR-DOC_YEAR.
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_RJKSD_GR_DATA_INP_GR_STR, 
VERSION TYPE STRING,
EKORG TYPE STRING,
WERKS TYPE STRING,
MED_PROD TYPE STRING,
MATNR TYPE STRING,
MEINS TYPE STRING,
PORDER_LFDNR TYPE STRING,
PHASEMDL TYPE STRING,
PHASENBR TYPE STRING,
SPLIT TYPE STRING,
TYPE TYPE STRING,
QUANTITY_PURCH TYPE STRING,
ISMPURCHASEDATE TYPE STRING,
QUANTITY1 TYPE STRING,
QUANTITY2 TYPE STRING,
QUANTITY3 TYPE STRING,
QUANTITY4 TYPE STRING,
QUANTITY5 TYPE STRING,
QUANTITY6 TYPE STRING,
QUANTITY7 TYPE STRING,
QUANTITY8 TYPE STRING,
QUANTITY9 TYPE STRING,
UNIT TYPE STRING,
LIFNR TYPE STRING,
BEWRK TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,
MATNR_PRODKIT TYPE STRING,
EKGRP TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
STGE_LOC TYPE STRING,
GM_CODE TYPE STRING,
MVT_IND TYPE STRING,
MOVE_TYPE TYPE STRING,
MAT_DOC TYPE STRING,
DOC_YEAR TYPE STRING,
TESTRUN TYPE STRING,
ISM_GR_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSD_GR_DATA_INP_GR_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_RJKSD_GR_DATA_INP_GR_STR-VERSION sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-EKORG sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-WERKS sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MED_PROD sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MATNR sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MEINS sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-PORDER_LFDNR sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-PHASEMDL sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-PHASENBR sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-SPLIT sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-TYPE sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY_PURCH sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-ISMPURCHASEDATE sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY1 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY2 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY3 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY4 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY5 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY6 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY7 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY8 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-QUANTITY9 sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-UNIT sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-LIFNR sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-BEWRK sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-ERFUSER sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-ERFDATE sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-ERFTIME sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-AENUSER sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-AENDATE sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-AENTIME sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MATNR_PRODKIT sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-EKGRP sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-EBELN sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-EBELP sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-STGE_LOC sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-GM_CODE sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MVT_IND sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MOVE_TYPE sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-MAT_DOC sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-DOC_YEAR sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-TESTRUN sy-vline 
WA_RJKSD_GR_DATA_INP_GR_STR-ISM_GR_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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