ABAP Select data from SAP table OIRBOCEPC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIRBOCEPC
*  INTO TABLE @DATA(IT_OIRBOCEPC2).
*--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_OIRBOCEPC INDEX 1 INTO DATA(WA_OIRBOCEPC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIRBOCEPC>-MANDT = 1.
<OIRBOCEPC>-PBLNR = 1.
<OIRBOCEPC>-RNBT = 1.
<OIRBOCEPC>-OBJPOS = 1.
<OIRBOCEPC>-ERDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIRBOCEPC-ERZEIT, sy-vline,
  WA_OIRBOCEPC-ERNAM, sy-vline,
  WA_OIRBOCEPC-AEDAT, sy-vline,
  WA_OIRBOCEPC-AEZEIT, sy-vline,
  WA_OIRBOCEPC-AENAM, sy-vline,
  WA_OIRBOCEPC-BLOIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIRBOCEPC 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_OIRBOCEPC 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_OIRBOCEPC INTO WA_OIRBOCEPC.


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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIRBOCEPC-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIRBOCEPC-PRCTR.
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_OIRBOCEPC_STR, 
MANDT TYPE STRING,
PBLNR TYPE STRING,
RNBT TYPE STRING,
OBJPOS 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,
KOKRS TYPE STRING,
PRCTR TYPE STRING,
DATBI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIRBOCEPC_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_OIRBOCEPC_STR-MANDT sy-vline 
WA_OIRBOCEPC_STR-PBLNR sy-vline 
WA_OIRBOCEPC_STR-RNBT sy-vline 
WA_OIRBOCEPC_STR-OBJPOS sy-vline 
WA_OIRBOCEPC_STR-ERDAT sy-vline 
WA_OIRBOCEPC_STR-ERZEIT sy-vline 
WA_OIRBOCEPC_STR-ERNAM sy-vline 
WA_OIRBOCEPC_STR-AEDAT sy-vline 
WA_OIRBOCEPC_STR-AEZEIT sy-vline 
WA_OIRBOCEPC_STR-AENAM sy-vline 
WA_OIRBOCEPC_STR-BLOIND sy-vline 
WA_OIRBOCEPC_STR-DELIND sy-vline 
WA_OIRBOCEPC_STR-KOKRS sy-vline 
WA_OIRBOCEPC_STR-PRCTR sy-vline 
WA_OIRBOCEPC_STR-DATBI sy-vline      INTO ld_text SEPARATED BY SPACE.

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