ABAP Select data from SAP table ROIJBRDIB_N into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIJBRDIB_N
*  INTO TABLE @DATA(IT_ROIJBRDIB_N2).
*--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_ROIJBRDIB_N INDEX 1 INTO DATA(WA_ROIJBRDIB_N2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIJBRDIB_N>-MANDT = 1.
<ROIJBRDIB_N>-TSYST = 1.
<ROIJBRDIB_N>-LOCID = 1.
<ROIJBRDIB_N>-MATNR = 1.
<ROIJBRDIB_N>-CHARG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIJBRDIB_N-DATUM, sy-vline,
  WA_ROIJBRDIB_N-INOMTK, sy-vline,
  WA_ROIJBRDIB_N-NOMIT, sy-vline,
  WA_ROIJBRDIB_N-IBATCH, sy-vline,
  WA_ROIJBRDIB_N-ISCHED, sy-vline,
  WA_ROIJBRDIB_N-IACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIJBRDIB_N 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_ROIJBRDIB_N 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_ROIJBRDIB_N INTO WA_ROIJBRDIB_N.


*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_ROIJBRDIB_N-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIJBRDIB_N-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field DOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIJBRDIB_N-DOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIJBRDIB_N-DOCNR.
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_ROIJBRDIB_N_STR, 
MANDT TYPE STRING,
TSYST TYPE STRING,
LOCID TYPE STRING,
MATNR TYPE STRING,
CHARG TYPE STRING,
DATUM TYPE STRING,
INOMTK TYPE STRING,
NOMIT TYPE STRING,
IBATCH TYPE STRING,
ISCHED TYPE STRING,
IACT TYPE STRING,
WORKLIST TYPE STRING,
DOCNR TYPE STRING,
DOCITM TYPE STRING,
VBTYP TYPE STRING,
BSTYP TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,
BLOIND TYPE STRING,
DELIND TYPE STRING,
TKTSELECT TYPE STRING,
ISTAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIJBRDIB_N_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_ROIJBRDIB_N_STR-MANDT sy-vline 
WA_ROIJBRDIB_N_STR-TSYST sy-vline 
WA_ROIJBRDIB_N_STR-LOCID sy-vline 
WA_ROIJBRDIB_N_STR-MATNR sy-vline 
WA_ROIJBRDIB_N_STR-CHARG sy-vline 
WA_ROIJBRDIB_N_STR-DATUM sy-vline 
WA_ROIJBRDIB_N_STR-INOMTK sy-vline 
WA_ROIJBRDIB_N_STR-NOMIT sy-vline 
WA_ROIJBRDIB_N_STR-IBATCH sy-vline 
WA_ROIJBRDIB_N_STR-ISCHED sy-vline 
WA_ROIJBRDIB_N_STR-IACT sy-vline 
WA_ROIJBRDIB_N_STR-WORKLIST sy-vline 
WA_ROIJBRDIB_N_STR-DOCNR sy-vline 
WA_ROIJBRDIB_N_STR-DOCITM sy-vline 
WA_ROIJBRDIB_N_STR-VBTYP sy-vline 
WA_ROIJBRDIB_N_STR-BSTYP sy-vline 
WA_ROIJBRDIB_N_STR-ERDAT sy-vline 
WA_ROIJBRDIB_N_STR-ERZEIT sy-vline 
WA_ROIJBRDIB_N_STR-ERNAM sy-vline 
WA_ROIJBRDIB_N_STR-AEDAT sy-vline 
WA_ROIJBRDIB_N_STR-AEZEIT sy-vline 
WA_ROIJBRDIB_N_STR-AENAM sy-vline 
WA_ROIJBRDIB_N_STR-BLOIND sy-vline 
WA_ROIJBRDIB_N_STR-DELIND sy-vline 
WA_ROIJBRDIB_N_STR-TKTSELECT sy-vline 
WA_ROIJBRDIB_N_STR-ISTAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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