ABAP Select data from SAP table OILBW_MC13VD1ITM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OILBW_MC13VD1ITM 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 OILBW_MC13VD1ITM. 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 OILBW_MC13VD1ITM 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_OILBW_MC13VD1ITM TYPE STANDARD TABLE OF OILBW_MC13VD1ITM,
      WA_OILBW_MC13VD1ITM TYPE OILBW_MC13VD1ITM,
      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: <OILBW_MC13VD1ITM> TYPE OILBW_MC13VD1ITM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OILBW_MC13VD1ITM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OILBW_MC13VD1ITM
  INTO TABLE IT_OILBW_MC13VD1ITM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OILBW_MC13VD1ITM
*  INTO TABLE @DATA(IT_OILBW_MC13VD1ITM2).
*--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_OILBW_MC13VD1ITM INDEX 1 INTO DATA(WA_OILBW_MC13VD1ITM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OILBW_MC13VD1ITM ASSIGNING <OILBW_MC13VD1ITM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OILBW_MC13VD1ITM>-OICHEADOFF = 1.
<OILBW_MC13VD1ITM>-OICSDPORGINV = 1.
<OILBW_MC13VD1ITM>-OICSDPVERNO = 1.
<OILBW_MC13VD1ITM>-OIC_INPD = 1.
<OILBW_MC13VD1ITM>-OIEXGNUM = 1.

ENDLOOP.

LOOP AT IT_OILBW_MC13VD1ITM INTO WA_OILBW_MC13VD1ITM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OILBW_MC13VD1ITM-OIEXGTYP, sy-vline,
  WA_OILBW_MC13VD1ITM-OIFEEPD, sy-vline,
  WA_OILBW_MC13VD1ITM-OINETCYC, sy-vline,
  WA_OILBW_MC13VD1ITM-OIPBLP, sy-vline,
  WA_OILBW_MC13VD1ITM-OIRICHIND, sy-vline,
  WA_OILBW_MC13VD1ITM-OIRICOMMCAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OILBW_MC13VD1ITM 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_OILBW_MC13VD1ITM 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_OILBW_MC13VD1ITM INTO WA_OILBW_MC13VD1ITM.


*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 OICHEADOFF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OILBW_MC13VD1ITM-OICHEADOFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OILBW_MC13VD1ITM-OICHEADOFF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OICSDPORGINV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OILBW_MC13VD1ITM-OICSDPORGINV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OILBW_MC13VD1ITM-OICSDPORGINV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OIEXGNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OILBW_MC13VD1ITM-OIEXGNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OILBW_MC13VD1ITM-OIEXGNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OIPBLP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OILBW_MC13VD1ITM-OIPBLP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OILBW_MC13VD1ITM-OIPBLP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OIRIPBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OILBW_MC13VD1ITM-OIRIPBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OILBW_MC13VD1ITM-OIRIPBLNR.
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_OILBW_MC13VD1ITM_STR, 
OICHEADOFF TYPE STRING,
OICSDPORGINV TYPE STRING,
OICSDPVERNO TYPE STRING,
OIC_INPD TYPE STRING,
OIEXGNUM TYPE STRING,
OIEXGTYP TYPE STRING,
OIFEEPD TYPE STRING,
OINETCYC TYPE STRING,
OIPBLP TYPE STRING,
OIRICHIND TYPE STRING,
OIRICOMMCAL TYPE STRING,
OIRIDCLAIM TYPE STRING,
OIRIINVDOC TYPE STRING,
OIRIPBLNR TYPE STRING,
OIRIPCTOT TYPE STRING,
OIRMATHANDGRP TYPE STRING,
OIR_CHOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OILBW_MC13VD1ITM_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_OILBW_MC13VD1ITM_STR-OICHEADOFF sy-vline 
WA_OILBW_MC13VD1ITM_STR-OICSDPORGINV sy-vline 
WA_OILBW_MC13VD1ITM_STR-OICSDPVERNO sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIC_INPD sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIEXGNUM sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIEXGTYP sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIFEEPD sy-vline 
WA_OILBW_MC13VD1ITM_STR-OINETCYC sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIPBLP sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRICHIND sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRICOMMCAL sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRIDCLAIM sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRIINVDOC sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRIPBLNR sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRIPCTOT sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIRMATHANDGRP sy-vline 
WA_OILBW_MC13VD1ITM_STR-OIR_CHOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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