ABAP Select data from SAP table RJKSD_GR_DATA_RES_QUANT 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_RES_QUANT 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_RES_QUANT. 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_RES_QUANT 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_RES_QUANT TYPE STANDARD TABLE OF RJKSD_GR_DATA_RES_QUANT,
      WA_RJKSD_GR_DATA_RES_QUANT TYPE RJKSD_GR_DATA_RES_QUANT,
      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_RES_QUANT> TYPE RJKSD_GR_DATA_RES_QUANT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSD_GR_DATA_RES_QUANT
*  INTO TABLE @DATA(IT_RJKSD_GR_DATA_RES_QUANT2).
*--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_RES_QUANT INDEX 1 INTO DATA(WA_RJKSD_GR_DATA_RES_QUANT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSD_GR_DATA_RES_QUANT-PHASENBR, sy-vline,
  WA_RJKSD_GR_DATA_RES_QUANT-METHODID, sy-vline,
  WA_RJKSD_GR_DATA_RES_QUANT-LOADERID, sy-vline,
  WA_RJKSD_GR_DATA_RES_QUANT-TESTRUN, sy-vline,
  WA_RJKSD_GR_DATA_RES_QUANT-ISMCOPYNR, sy-vline,
  WA_RJKSD_GR_DATA_RES_QUANT-ISMPUBLDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKSD_GR_DATA_RES_QUANT 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_RES_QUANT 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_RES_QUANT INTO WA_RJKSD_GR_DATA_RES_QUANT.


*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_RES_QUANT-MED_PROD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_RES_QUANT-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_RES_QUANT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_RES_QUANT-MATNR.
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_RES_QUANT-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_RES_QUANT-UNIT.
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_RES_QUANT-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_GR_DATA_RES_QUANT-MEINS.
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_RES_QUANT_STR, 
VERSION TYPE STRING,
WERKS TYPE STRING,
MED_PROD TYPE STRING,
MATNR TYPE STRING,
PHASEMDL TYPE STRING,
PHASENBR TYPE STRING,
METHODID TYPE STRING,
LOADERID TYPE STRING,
TESTRUN TYPE STRING,
ISMCOPYNR TYPE STRING,
ISMPUBLDATE TYPE STRING,
ISMDESIGN TYPE STRING,
ISMTITLE TYPE STRING,
ISMSUBTITLE1 TYPE STRING,
ISMSUBTITLE2 TYPE STRING,
MAKTX TYPE STRING,
UNIT TYPE STRING,
MEINS TYPE STRING,
LABST TYPE STRING,
QUANTITY_PURCH TYPE STRING,
QUANTITY_SQP TYPE STRING,
QUANTITY 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,
OK_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSD_GR_DATA_RES_QUANT_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_RES_QUANT_STR-VERSION sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-WERKS sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-MED_PROD sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-MATNR sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-PHASEMDL sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-PHASENBR sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-METHODID sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-LOADERID sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-TESTRUN sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-ISMCOPYNR sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-ISMPUBLDATE sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-ISMDESIGN sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-ISMTITLE sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-ISMSUBTITLE1 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-ISMSUBTITLE2 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-MAKTX sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-UNIT sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-MEINS sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-LABST sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY_PURCH sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY_SQP sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY1 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY2 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY3 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY4 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY5 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY6 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY7 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY8 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-QUANTITY9 sy-vline 
WA_RJKSD_GR_DATA_RES_QUANT_STR-OK_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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