ABAP Select data from SAP table RNBADI_ADM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RNBADI_ADM
*  INTO TABLE @DATA(IT_RNBADI_ADM2).
*--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_RNBADI_ADM INDEX 1 INTO DATA(WA_RNBADI_ADM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RNBADI_ADM>-PLANB = 1.
<RNBADI_ADM>-FACHS = 1.
<RNBADI_ADM>-WKAT = 1.
<RNBADI_ADM>-TELNR = 1.
<RNBADI_ADM>-TVKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RNBADI_ADM-PLANR, sy-vline,
  WA_RNBADI_ADM-FALAR, sy-vline,
  WA_RNBADI_ADM-NOTKZ, sy-vline,
  WA_RNBADI_ADM-DAUER, sy-vline,
  WA_RNBADI_ADM-ORGAU, sy-vline,
  WA_RNBADI_ADM-BEKAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RNBADI_ADM 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_RNBADI_ADM 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_RNBADI_ADM INTO WA_RNBADI_ADM.


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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field NWATAUFART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RNBADI_ADM-NWATAUFART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RNBADI_ADM-NWATAUFART.
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_RNBADI_ADM_STR, 
PLANB TYPE STRING,
FACHS TYPE STRING,
WKAT TYPE STRING,
TELNR TYPE STRING,
TVKZ TYPE STRING,
PLANR TYPE STRING,
FALAR TYPE STRING,
NOTKZ TYPE STRING,
DAUER TYPE STRING,
ORGAU TYPE STRING,
BEKAT TYPE STRING,
CLASS TYPE STRING,
RFSRC TYPE STRING,
EXTKH TYPE STRING,
EXTKH_NAME2 TYPE STRING,
EXTKH_NAME3 TYPE STRING,
BCODE TYPE STRING,
BWART TYPE STRING,
BWGR1 TYPE STRING,
BWGR2 TYPE STRING,
BWIDT TYPE STRING,
BWIZT TYPE STRING,
TEXT_BEW TYPE STRING,
LFDNR TYPE STRING,
ORGFA TYPE STRING,
ORGPF TYPE STRING,
ZIMMR TYPE STRING,
BETT TYPE STRING,
FACHR TYPE STRING,
NWATAUFART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RNBADI_ADM_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_RNBADI_ADM_STR-PLANB sy-vline 
WA_RNBADI_ADM_STR-FACHS sy-vline 
WA_RNBADI_ADM_STR-WKAT sy-vline 
WA_RNBADI_ADM_STR-TELNR sy-vline 
WA_RNBADI_ADM_STR-TVKZ sy-vline 
WA_RNBADI_ADM_STR-PLANR sy-vline 
WA_RNBADI_ADM_STR-FALAR sy-vline 
WA_RNBADI_ADM_STR-NOTKZ sy-vline 
WA_RNBADI_ADM_STR-DAUER sy-vline 
WA_RNBADI_ADM_STR-ORGAU sy-vline 
WA_RNBADI_ADM_STR-BEKAT sy-vline 
WA_RNBADI_ADM_STR-CLASS sy-vline 
WA_RNBADI_ADM_STR-RFSRC sy-vline 
WA_RNBADI_ADM_STR-EXTKH sy-vline 
WA_RNBADI_ADM_STR-EXTKH_NAME2 sy-vline 
WA_RNBADI_ADM_STR-EXTKH_NAME3 sy-vline 
WA_RNBADI_ADM_STR-BCODE sy-vline 
WA_RNBADI_ADM_STR-BWART sy-vline 
WA_RNBADI_ADM_STR-BWGR1 sy-vline 
WA_RNBADI_ADM_STR-BWGR2 sy-vline 
WA_RNBADI_ADM_STR-BWIDT sy-vline 
WA_RNBADI_ADM_STR-BWIZT sy-vline 
WA_RNBADI_ADM_STR-TEXT_BEW sy-vline 
WA_RNBADI_ADM_STR-LFDNR sy-vline 
WA_RNBADI_ADM_STR-ORGFA sy-vline 
WA_RNBADI_ADM_STR-ORGPF sy-vline 
WA_RNBADI_ADM_STR-ZIMMR sy-vline 
WA_RNBADI_ADM_STR-BETT sy-vline 
WA_RNBADI_ADM_STR-FACHR sy-vline 
WA_RNBADI_ADM_STR-NWATAUFART sy-vline      INTO ld_text SEPARATED BY SPACE.

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