ABAP Select data from SAP table CSS_USR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSS_USR
*  INTO TABLE @DATA(IT_CSS_USR2).
*--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_CSS_USR INDEX 1 INTO DATA(WA_CSS_USR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSS_USR>-MANDT = 1.
<CSS_USR>-ADRNR = 1.
<CSS_USR>-NATIO = 1.
<CSS_USR>-ANRED = 1.
<CSS_USR>-ABTEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSS_USR-COSTC, sy-vline,
  WA_CSS_USR-ROOMN, sy-vline,
  WA_CSS_USR-BUILD, sy-vline,
  WA_CSS_USR-NAME1, sy-vline,
  WA_CSS_USR-NAME2, sy-vline,
  WA_CSS_USR-STDCOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSS_USR 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_CSS_USR 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_CSS_USR INTO WA_CSS_USR.


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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CSS_USR-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSS_USR-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CMPYADR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSS_USR-CMPYADR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSS_USR-CMPYADR.
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_CSS_USR_STR, 
MANDT TYPE STRING,
ADRNR TYPE STRING,
NATIO TYPE STRING,
ANRED TYPE STRING,
ABTEI TYPE STRING,
COSTC TYPE STRING,
ROOMN TYPE STRING,
BUILD TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
STDCOM TYPE STRING,
SPRAS TYPE STRING,
CHNAM TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
CRNAM TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
KLASSE TYPE STRING,
DBNAME TYPE STRING,
CMPYADR TYPE STRING,
ANREK TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
SUSID TYPE STRING,
AEDAT TYPE STRING,
AETYP TYPE STRING,
SAPNA TYPE STRING,
ROSNA TYPE STRING,
ROSPF TYPE STRING,
UCNAM TYPE STRING,
UCVOR TYPE STRING,
TITEL TYPE STRING,
NAMZU TYPE STRING,
VORSW TYPE STRING,
EINDT TYPE STRING,
AUSDT TYPE STRING,
TEL01 TYPE STRING,
TEL02 TYPE STRING,
LAND1 TYPE STRING,
BUKRS TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
FIRMA TYPE STRING,
UCORT TYPE STRING,
WERKS TYPE STRING,
TELNR TYPE STRING,
SETEL TYPE STRING,
HANDY TYPE STRING,
PROSH TYPE STRING,
FAXNR TYPE STRING,
TAESL TYPE STRING,
FAX01 TYPE STRING,
FAX02 TYPE STRING,
KFZL1 TYPE STRING,
KFZN1 TYPE STRING,
KFZL2 TYPE STRING,
KFZN2 TYPE STRING,
HPOST TYPE STRING,
SEKRT TYPE STRING,
SPERR TYPE STRING,
ROLLE TYPE STRING,
ITERN TYPE STRING,
DTVON TYPE STRING,
DTBIS TYPE STRING,
TPFLG TYPE STRING,
TMPAB TYPE STRING,
TMPTL TYPE STRING,
TMPFX TYPE STRING,
TMPZL TYPE STRING,
KDBUK TYPE STRING,
KDINO TYPE STRING,
KDNUM TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
VOLLM TYPE STRING,
ABTLG TYPE STRING,
ABTLX TYPE STRING,
KOSTL TYPE STRING,
KOSTX TYPE STRING,
FCOMP TYPE STRING,
FDEBN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSS_USR_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_CSS_USR_STR-MANDT sy-vline 
WA_CSS_USR_STR-ADRNR sy-vline 
WA_CSS_USR_STR-NATIO sy-vline 
WA_CSS_USR_STR-ANRED sy-vline 
WA_CSS_USR_STR-ABTEI sy-vline 
WA_CSS_USR_STR-COSTC sy-vline 
WA_CSS_USR_STR-ROOMN sy-vline 
WA_CSS_USR_STR-BUILD sy-vline 
WA_CSS_USR_STR-NAME1 sy-vline 
WA_CSS_USR_STR-NAME2 sy-vline 
WA_CSS_USR_STR-STDCOM sy-vline 
WA_CSS_USR_STR-SPRAS sy-vline 
WA_CSS_USR_STR-CHNAM sy-vline 
WA_CSS_USR_STR-CHDAT sy-vline 
WA_CSS_USR_STR-CHTIM sy-vline 
WA_CSS_USR_STR-CRNAM sy-vline 
WA_CSS_USR_STR-CRDAT sy-vline 
WA_CSS_USR_STR-CRTIM sy-vline 
WA_CSS_USR_STR-KLASSE sy-vline 
WA_CSS_USR_STR-DBNAME sy-vline 
WA_CSS_USR_STR-CMPYADR sy-vline 
WA_CSS_USR_STR-ANREK sy-vline 
WA_CSS_USR_STR-SORT1 sy-vline 
WA_CSS_USR_STR-SORT2 sy-vline 
WA_CSS_USR_STR-SUSID sy-vline 
WA_CSS_USR_STR-AEDAT sy-vline 
WA_CSS_USR_STR-AETYP sy-vline 
WA_CSS_USR_STR-SAPNA sy-vline 
WA_CSS_USR_STR-ROSNA sy-vline 
WA_CSS_USR_STR-ROSPF sy-vline 
WA_CSS_USR_STR-UCNAM sy-vline 
WA_CSS_USR_STR-UCVOR sy-vline 
WA_CSS_USR_STR-TITEL sy-vline 
WA_CSS_USR_STR-NAMZU sy-vline 
WA_CSS_USR_STR-VORSW sy-vline 
WA_CSS_USR_STR-EINDT sy-vline 
WA_CSS_USR_STR-AUSDT sy-vline 
WA_CSS_USR_STR-TEL01 sy-vline 
WA_CSS_USR_STR-TEL02 sy-vline 
WA_CSS_USR_STR-LAND1 sy-vline 
WA_CSS_USR_STR-BUKRS sy-vline 
WA_CSS_USR_STR-PSTLZ sy-vline 
WA_CSS_USR_STR-ORT01 sy-vline 
WA_CSS_USR_STR-FIRMA sy-vline 
WA_CSS_USR_STR-UCORT sy-vline 
WA_CSS_USR_STR-WERKS sy-vline 
WA_CSS_USR_STR-TELNR sy-vline 
WA_CSS_USR_STR-SETEL sy-vline 
WA_CSS_USR_STR-HANDY sy-vline 
WA_CSS_USR_STR-PROSH sy-vline 
WA_CSS_USR_STR-FAXNR sy-vline 
WA_CSS_USR_STR-TAESL sy-vline 
WA_CSS_USR_STR-FAX01 sy-vline 
WA_CSS_USR_STR-FAX02 sy-vline 
WA_CSS_USR_STR-KFZL1 sy-vline 
WA_CSS_USR_STR-KFZN1 sy-vline 
WA_CSS_USR_STR-KFZL2 sy-vline 
WA_CSS_USR_STR-KFZN2 sy-vline 
WA_CSS_USR_STR-HPOST sy-vline 
WA_CSS_USR_STR-SEKRT sy-vline 
WA_CSS_USR_STR-SPERR sy-vline 
WA_CSS_USR_STR-ROLLE sy-vline 
WA_CSS_USR_STR-ITERN sy-vline 
WA_CSS_USR_STR-DTVON sy-vline 
WA_CSS_USR_STR-DTBIS sy-vline 
WA_CSS_USR_STR-TPFLG sy-vline 
WA_CSS_USR_STR-TMPAB sy-vline 
WA_CSS_USR_STR-TMPTL sy-vline 
WA_CSS_USR_STR-TMPFX sy-vline 
WA_CSS_USR_STR-TMPZL sy-vline 
WA_CSS_USR_STR-KDBUK sy-vline 
WA_CSS_USR_STR-KDINO sy-vline 
WA_CSS_USR_STR-KDNUM sy-vline 
WA_CSS_USR_STR-VORNA sy-vline 
WA_CSS_USR_STR-NACHN sy-vline 
WA_CSS_USR_STR-VOLLM sy-vline 
WA_CSS_USR_STR-ABTLG sy-vline 
WA_CSS_USR_STR-ABTLX sy-vline 
WA_CSS_USR_STR-KOSTL sy-vline 
WA_CSS_USR_STR-KOSTX sy-vline 
WA_CSS_USR_STR-FCOMP sy-vline 
WA_CSS_USR_STR-FDEBN sy-vline      INTO ld_text SEPARATED BY SPACE.

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