ABAP Select data from SAP table RCK50_YS_KAUSW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCK50_YS_KAUSW 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 RCK50_YS_KAUSW. 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 RCK50_YS_KAUSW 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_RCK50_YS_KAUSW TYPE STANDARD TABLE OF RCK50_YS_KAUSW,
      WA_RCK50_YS_KAUSW TYPE RCK50_YS_KAUSW,
      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: <RCK50_YS_KAUSW> TYPE RCK50_YS_KAUSW.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RCK50_YS_KAUSW.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RCK50_YS_KAUSW
  INTO TABLE IT_RCK50_YS_KAUSW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCK50_YS_KAUSW
*  INTO TABLE @DATA(IT_RCK50_YS_KAUSW2).
*--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_RCK50_YS_KAUSW INDEX 1 INTO DATA(WA_RCK50_YS_KAUSW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RCK50_YS_KAUSW ASSIGNING <RCK50_YS_KAUSW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCK50_YS_KAUSW>-MATNR = 1.
<RCK50_YS_KAUSW>-AENAM = 1.
<RCK50_YS_KAUSW>-MTART = 1.
<RCK50_YS_KAUSW>-DISST = 1.
<RCK50_YS_KAUSW>-WERKS = 1.

ENDLOOP.

LOOP AT IT_RCK50_YS_KAUSW INTO WA_RCK50_YS_KAUSW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCK50_YS_KAUSW-STLAN, sy-vline,
  WA_RCK50_YS_KAUSW-BESKZ, sy-vline,
  WA_RCK50_YS_KAUSW-SOBSL, sy-vline,
  WA_RCK50_YS_KAUSW-SBDKZ, sy-vline,
  WA_RCK50_YS_KAUSW-PRCTR, sy-vline,
  WA_RCK50_YS_KAUSW-SOBSK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCK50_YS_KAUSW 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_RCK50_YS_KAUSW 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_RCK50_YS_KAUSW INTO WA_RCK50_YS_KAUSW.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RCK50_YS_KAUSW-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCK50_YS_KAUSW-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCK50_YS_KAUSW-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCK50_YS_KAUSW-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PDATZ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RCK50_YS_KAUSW-PDATZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCK50_YS_KAUSW-PDATZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PDATL
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RCK50_YS_KAUSW-PDATL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCK50_YS_KAUSW-PDATL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PDATV
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RCK50_YS_KAUSW-PDATV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCK50_YS_KAUSW-PDATV.
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_RCK50_YS_KAUSW_STR, 
MATNR TYPE STRING,
AENAM TYPE STRING,
MTART TYPE STRING,
DISST TYPE STRING,
WERKS TYPE STRING,
STLAN TYPE STRING,
BESKZ TYPE STRING,
SOBSL TYPE STRING,
SBDKZ TYPE STRING,
PRCTR TYPE STRING,
SOBSK TYPE STRING,
BKLAS TYPE STRING,
KALKZ TYPE STRING,
PPRDZ TYPE STRING,
PDATZ TYPE STRING,
KALKL TYPE STRING,
PPRDL TYPE STRING,
PDATL TYPE STRING,
KALKV TYPE STRING,
PPRDV TYPE STRING,
PDATV TYPE STRING,
MAKTX TYPE STRING,
XFELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCK50_YS_KAUSW_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_RCK50_YS_KAUSW_STR-MATNR sy-vline 
WA_RCK50_YS_KAUSW_STR-AENAM sy-vline 
WA_RCK50_YS_KAUSW_STR-MTART sy-vline 
WA_RCK50_YS_KAUSW_STR-DISST sy-vline 
WA_RCK50_YS_KAUSW_STR-WERKS sy-vline 
WA_RCK50_YS_KAUSW_STR-STLAN sy-vline 
WA_RCK50_YS_KAUSW_STR-BESKZ sy-vline 
WA_RCK50_YS_KAUSW_STR-SOBSL sy-vline 
WA_RCK50_YS_KAUSW_STR-SBDKZ sy-vline 
WA_RCK50_YS_KAUSW_STR-PRCTR sy-vline 
WA_RCK50_YS_KAUSW_STR-SOBSK sy-vline 
WA_RCK50_YS_KAUSW_STR-BKLAS sy-vline 
WA_RCK50_YS_KAUSW_STR-KALKZ sy-vline 
WA_RCK50_YS_KAUSW_STR-PPRDZ sy-vline 
WA_RCK50_YS_KAUSW_STR-PDATZ sy-vline 
WA_RCK50_YS_KAUSW_STR-KALKL sy-vline 
WA_RCK50_YS_KAUSW_STR-PPRDL sy-vline 
WA_RCK50_YS_KAUSW_STR-PDATL sy-vline 
WA_RCK50_YS_KAUSW_STR-KALKV sy-vline 
WA_RCK50_YS_KAUSW_STR-PPRDV sy-vline 
WA_RCK50_YS_KAUSW_STR-PDATV sy-vline 
WA_RCK50_YS_KAUSW_STR-MAKTX sy-vline 
WA_RCK50_YS_KAUSW_STR-XFELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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