ABAP Select data from SAP table /SAPAPO/RBA11_DISP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/RBA11_DISP 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 /SAPAPO/RBA11_DISP. 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 /SAPAPO/RBA11_DISP 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_/SAPAPO/RBA11_DISP TYPE STANDARD TABLE OF /SAPAPO/RBA11_DISP,
      WA_/SAPAPO/RBA11_DISP TYPE /SAPAPO/RBA11_DISP,
      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: </SAPAPO/RBA11_DISP> TYPE /SAPAPO/RBA11_DISP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/RBA11_DISP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/RBA11_DISP
  INTO TABLE IT_/SAPAPO/RBA11_DISP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RBA11_DISP
*  INTO TABLE @DATA(IT_/SAPAPO/RBA11_DISP2).
*--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_/SAPAPO/RBA11_DISP INDEX 1 INTO DATA(WA_/SAPAPO/RBA11_DISP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/RBA11_DISP ASSIGNING </SAPAPO/RBA11_DISP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RBA11_DISP>-XMARK = 1.
</SAPAPO/RBA11_DISP>-GRPNR = 1.
</SAPAPO/RBA11_DISP>-MATLOCFR = 1.
</SAPAPO/RBA11_DISP>-LOCFR = 1.
</SAPAPO/RBA11_DISP>-LOCNOFR = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/RBA11_DISP INTO WA_/SAPAPO/RBA11_DISP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RBA11_DISP-LOCTYPEFR, sy-vline,
  WA_/SAPAPO/RBA11_DISP-DESCR40FR, sy-vline,
  WA_/SAPAPO/RBA11_DISP-PRODI, sy-vline,
  WA_/SAPAPO/RBA11_DISP-MATNRI, sy-vline,
  WA_/SAPAPO/RBA11_DISP-MATLOCTO, sy-vline,
  WA_/SAPAPO/RBA11_DISP-LOCTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RBA11_DISP 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_/SAPAPO/RBA11_DISP 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_/SAPAPO/RBA11_DISP INTO WA_/SAPAPO/RBA11_DISP.


*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 MATNRI
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RBA11_DISP-MATNRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RBA11_DISP-MATNRI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNRO
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RBA11_DISP-MATNRO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RBA11_DISP-MATNRO.
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_/SAPAPO/RBA11_DISP_STR, 
XMARK TYPE STRING,
GRPNR TYPE STRING,
MATLOCFR TYPE STRING,
LOCFR TYPE STRING,
LOCNOFR TYPE STRING,
LOCTYPEFR TYPE STRING,
DESCR40FR TYPE STRING,
PRODI TYPE STRING,
MATNRI TYPE STRING,
MATLOCTO TYPE STRING,
LOCTO TYPE STRING,
LOCNOTO TYPE STRING,
LOCTYPETO TYPE STRING,
DESCR40TO TYPE STRING,
PRODO TYPE STRING,
MATNRO TYPE STRING,
ACTIV TYPE STRING,
DATUMFR TYPE STRING,
TIMEFR TYPE STRING,
DATUMTO TYPE STRING,
TIMETO TYPE STRING,
COSTA TYPE STRING,
COSTF TYPE STRING,
COSTS TYPE STRING,
SUREA TYPE STRING,
ANFANG TYPE STRING,
LEER TYPE STRING,
STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RBA11_DISP_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_/SAPAPO/RBA11_DISP_STR-XMARK sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-GRPNR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-MATLOCFR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LOCFR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LOCNOFR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LOCTYPEFR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-DESCR40FR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-PRODI sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-MATNRI sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-MATLOCTO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LOCTO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LOCNOTO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LOCTYPETO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-DESCR40TO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-PRODO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-MATNRO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-ACTIV sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-DATUMFR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-TIMEFR sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-DATUMTO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-TIMETO sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-COSTA sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-COSTF sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-COSTS sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-SUREA sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-ANFANG sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-LEER sy-vline 
WA_/SAPAPO/RBA11_DISP_STR-STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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