ABAP Select data from SAP table CATSXT_RACCOBJ_CO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CATSXT_RACCOBJ_CO
*  INTO TABLE @DATA(IT_CATSXT_RACCOBJ_CO2).
*--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_CATSXT_RACCOBJ_CO INDEX 1 INTO DATA(WA_CATSXT_RACCOBJ_CO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CATSXT_RACCOBJ_CO>-KOSTL = 1.
<CATSXT_RACCOBJ_CO>-PSPNR = 1.
<CATSXT_RACCOBJ_CO>-AUFNR = 1.
<CATSXT_RACCOBJ_CO>-RNPLNR = 1.
<CATSXT_RACCOBJ_CO>-AUFPL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CATSXT_RACCOBJ_CO-APLZL, sy-vline,
  WA_CATSXT_RACCOBJ_CO-VBELN, sy-vline,
  WA_CATSXT_RACCOBJ_CO-POSNR, sy-vline,
  WA_CATSXT_RACCOBJ_CO-KSTRG, sy-vline,
  WA_CATSXT_RACCOBJ_CO-PRZNR, sy-vline,
  WA_CATSXT_RACCOBJ_CO-RVORNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CATSXT_RACCOBJ_CO 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_CATSXT_RACCOBJ_CO 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_CATSXT_RACCOBJ_CO INTO WA_CATSXT_RACCOBJ_CO.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_RACCOBJ_CO-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_RACCOBJ_CO-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_RACCOBJ_CO-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_RACCOBJ_CO-PSPNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit NUMCV, internal->external for field RVORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_RACCOBJ_CO-RVORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_RACCOBJ_CO-RVORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field RUVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_RACCOBJ_CO-RUVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_RACCOBJ_CO-RUVORN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_RACCOBJ_CO-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_RACCOBJ_CO-EBELN.
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_CATSXT_RACCOBJ_CO_STR, 
KOSTL TYPE STRING,
PSPNR TYPE STRING,
AUFNR TYPE STRING,
RNPLNR TYPE STRING,
AUFPL TYPE STRING,
APLZL TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
KSTRG TYPE STRING,
PRZNR TYPE STRING,
RVORNR TYPE STRING,
RUVORN TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ZEKKN TYPE STRING,
PAOBJNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CATSXT_RACCOBJ_CO_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_CATSXT_RACCOBJ_CO_STR-KOSTL sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-PSPNR sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-AUFNR sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-RNPLNR sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-AUFPL sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-APLZL sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-VBELN sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-POSNR sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-KSTRG sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-PRZNR sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-RVORNR sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-RUVORN sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-EBELN sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-EBELP sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-ZEKKN sy-vline 
WA_CATSXT_RACCOBJ_CO_STR-PAOBJNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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