ABAP Select data from SAP table OIJBRD_N1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIJBRD_N1 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 OIJBRD_N1. 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 OIJBRD_N1 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_OIJBRD_N1 TYPE STANDARD TABLE OF OIJBRD_N1,
      WA_OIJBRD_N1 TYPE OIJBRD_N1,
      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: <OIJBRD_N1> TYPE OIJBRD_N1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIJBRD_N1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIJBRD_N1
  INTO TABLE IT_OIJBRD_N1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIJBRD_N1
*  INTO TABLE @DATA(IT_OIJBRD_N12).
*--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_OIJBRD_N1 INDEX 1 INTO DATA(WA_OIJBRD_N12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIJBRD_N1 ASSIGNING <OIJBRD_N1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIJBRD_N1>-MANDT = 1.
<OIJBRD_N1>-TSYST = 1.
<OIJBRD_N1>-LOCID = 1.
<OIJBRD_N1>-MATNR = 1.
<OIJBRD_N1>-CHARG = 1.

ENDLOOP.

LOOP AT IT_OIJBRD_N1 INTO WA_OIJBRD_N1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIJBRD_N1-DATUM, sy-vline,
  WA_OIJBRD_N1-PLANN, sy-vline,
  WA_OIJBRD_N1-BASE, sy-vline,
  WA_OIJBRD_N1-RPROD, sy-vline,
  WA_OIJBRD_N1-RMRP, sy-vline,
  WA_OIJBRD_N1-RWHIF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIJBRD_N1 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_OIJBRD_N1 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_OIJBRD_N1 INTO WA_OIJBRD_N1.


*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 MATN5, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_OIJBRD_N1-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJBRD_N1-MATNR.
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_OIJBRD_N1_STR, 
MANDT TYPE STRING,
TSYST TYPE STRING,
LOCID TYPE STRING,
MATNR TYPE STRING,
CHARG TYPE STRING,
DATUM TYPE STRING,
PLANN TYPE STRING,
BASE TYPE STRING,
RPROD TYPE STRING,
RMRP TYPE STRING,
RWHIF TYPE STRING,
RDOC TYPE STRING,
RSCHED TYPE STRING,
RACT TYPE STRING,
IMRP TYPE STRING,
IWHIF TYPE STRING,
IDOC TYPE STRING,
ISCHED TYPE STRING,
IACT TYPE STRING,
IFCAST TYPE STRING,
ICORR TYPE STRING,
IRACT TYPE STRING,
WORKLIST 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,
PHY_INV TYPE STRING,
MIFCAST TYPE STRING,
RVP TYPE STRING,
UNCOMM TYPE STRING,
APODP TYPE STRING,
IPROD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIJBRD_N1_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_OIJBRD_N1_STR-MANDT sy-vline 
WA_OIJBRD_N1_STR-TSYST sy-vline 
WA_OIJBRD_N1_STR-LOCID sy-vline 
WA_OIJBRD_N1_STR-MATNR sy-vline 
WA_OIJBRD_N1_STR-CHARG sy-vline 
WA_OIJBRD_N1_STR-DATUM sy-vline 
WA_OIJBRD_N1_STR-PLANN sy-vline 
WA_OIJBRD_N1_STR-BASE sy-vline 
WA_OIJBRD_N1_STR-RPROD sy-vline 
WA_OIJBRD_N1_STR-RMRP sy-vline 
WA_OIJBRD_N1_STR-RWHIF sy-vline 
WA_OIJBRD_N1_STR-RDOC sy-vline 
WA_OIJBRD_N1_STR-RSCHED sy-vline 
WA_OIJBRD_N1_STR-RACT sy-vline 
WA_OIJBRD_N1_STR-IMRP sy-vline 
WA_OIJBRD_N1_STR-IWHIF sy-vline 
WA_OIJBRD_N1_STR-IDOC sy-vline 
WA_OIJBRD_N1_STR-ISCHED sy-vline 
WA_OIJBRD_N1_STR-IACT sy-vline 
WA_OIJBRD_N1_STR-IFCAST sy-vline 
WA_OIJBRD_N1_STR-ICORR sy-vline 
WA_OIJBRD_N1_STR-IRACT sy-vline 
WA_OIJBRD_N1_STR-WORKLIST sy-vline 
WA_OIJBRD_N1_STR-ERDAT sy-vline 
WA_OIJBRD_N1_STR-ERZEIT sy-vline 
WA_OIJBRD_N1_STR-ERNAM sy-vline 
WA_OIJBRD_N1_STR-AEDAT sy-vline 
WA_OIJBRD_N1_STR-AEZEIT sy-vline 
WA_OIJBRD_N1_STR-AENAM sy-vline 
WA_OIJBRD_N1_STR-BLOIND sy-vline 
WA_OIJBRD_N1_STR-DELIND sy-vline 
WA_OIJBRD_N1_STR-TKTSELECT sy-vline 
WA_OIJBRD_N1_STR-PHY_INV sy-vline 
WA_OIJBRD_N1_STR-MIFCAST sy-vline 
WA_OIJBRD_N1_STR-RVP sy-vline 
WA_OIJBRD_N1_STR-UNCOMM sy-vline 
WA_OIJBRD_N1_STR-APODP sy-vline 
WA_OIJBRD_N1_STR-IPROD sy-vline      INTO ld_text SEPARATED BY SPACE.

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