ABAP Select data from SAP table BAPI_OIGSII into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_OIGSII
*  INTO TABLE @DATA(IT_BAPI_OIGSII2).
*--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_BAPI_OIGSII INDEX 1 INTO DATA(WA_BAPI_OIGSII2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_OIGSII>-SHNUMBER = 1.
<BAPI_OIGSII>-SHITEM = 1.
<BAPI_OIGSII>-DOC_TYP = 1.
<BAPI_OIGSII>-DOC_NUMBER = 1.
<BAPI_OIGSII>-POSNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_OIGSII-OID_SHIP, sy-vline,
  WA_BAPI_OIGSII-OIHHANTYP, sy-vline,
  WA_BAPI_OIGSII-WERKS, sy-vline,
  WA_BAPI_OIGSII-LGORT, sy-vline,
  WA_BAPI_OIGSII-VSTEL, sy-vline,
  WA_BAPI_OIGSII-EXT_DOC_NR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_OIGSII 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_BAPI_OIGSII 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_BAPI_OIGSII INTO WA_BAPI_OIGSII.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field OIC_LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_OIGSII-OIC_LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_OIGSII-OIC_LIFNR.
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_BAPI_OIGSII_STR, 
SHNUMBER TYPE STRING,
SHITEM TYPE STRING,
DOC_TYP TYPE STRING,
DOC_NUMBER TYPE STRING,
POSNR TYPE STRING,
OID_SHIP TYPE STRING,
OIHHANTYP TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
VSTEL TYPE STRING,
EXT_DOC_NR TYPE STRING,
CHANGED TYPE STRING,
STATUS TYPE STRING,
PSTYV TYPE STRING,
ETA TYPE STRING,
DROP_SEQU TYPE STRING,
ABLAD TYPE STRING,
OIPBL TYPE STRING,
OIPIPEVAL TYPE STRING,
OIC_LIFNR TYPE STRING,
OIC_DCITYC TYPE STRING,
OIC_DCOUNC TYPE STRING,
OIC_DREGIO TYPE STRING,
OIC_DLAND1 TYPE STRING,
OIC_OCITYC TYPE STRING,
OIC_OCOUNC TYPE STRING,
OIC_OREGIO TYPE STRING,
OIC_OLAND1 TYPE STRING,
OIC_PORGIN TYPE STRING,
OIC_PDESTN TYPE STRING,
OIC_PTRIP TYPE STRING,
OIC_PBATCH TYPE STRING,
OIC_MOT TYPE STRING,
OIC_AORGIN TYPE STRING,
OIC_ADESTN TYPE STRING,
OIC_TRUCKN TYPE STRING,
OIA_BASELO TYPE STRING,
DOC_TYP_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_OIGSII_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_BAPI_OIGSII_STR-SHNUMBER sy-vline 
WA_BAPI_OIGSII_STR-SHITEM sy-vline 
WA_BAPI_OIGSII_STR-DOC_TYP sy-vline 
WA_BAPI_OIGSII_STR-DOC_NUMBER sy-vline 
WA_BAPI_OIGSII_STR-POSNR sy-vline 
WA_BAPI_OIGSII_STR-OID_SHIP sy-vline 
WA_BAPI_OIGSII_STR-OIHHANTYP sy-vline 
WA_BAPI_OIGSII_STR-WERKS sy-vline 
WA_BAPI_OIGSII_STR-LGORT sy-vline 
WA_BAPI_OIGSII_STR-VSTEL sy-vline 
WA_BAPI_OIGSII_STR-EXT_DOC_NR sy-vline 
WA_BAPI_OIGSII_STR-CHANGED sy-vline 
WA_BAPI_OIGSII_STR-STATUS sy-vline 
WA_BAPI_OIGSII_STR-PSTYV sy-vline 
WA_BAPI_OIGSII_STR-ETA sy-vline 
WA_BAPI_OIGSII_STR-DROP_SEQU sy-vline 
WA_BAPI_OIGSII_STR-ABLAD sy-vline 
WA_BAPI_OIGSII_STR-OIPBL sy-vline 
WA_BAPI_OIGSII_STR-OIPIPEVAL sy-vline 
WA_BAPI_OIGSII_STR-OIC_LIFNR sy-vline 
WA_BAPI_OIGSII_STR-OIC_DCITYC sy-vline 
WA_BAPI_OIGSII_STR-OIC_DCOUNC sy-vline 
WA_BAPI_OIGSII_STR-OIC_DREGIO sy-vline 
WA_BAPI_OIGSII_STR-OIC_DLAND1 sy-vline 
WA_BAPI_OIGSII_STR-OIC_OCITYC sy-vline 
WA_BAPI_OIGSII_STR-OIC_OCOUNC sy-vline 
WA_BAPI_OIGSII_STR-OIC_OREGIO sy-vline 
WA_BAPI_OIGSII_STR-OIC_OLAND1 sy-vline 
WA_BAPI_OIGSII_STR-OIC_PORGIN sy-vline 
WA_BAPI_OIGSII_STR-OIC_PDESTN sy-vline 
WA_BAPI_OIGSII_STR-OIC_PTRIP sy-vline 
WA_BAPI_OIGSII_STR-OIC_PBATCH sy-vline 
WA_BAPI_OIGSII_STR-OIC_MOT sy-vline 
WA_BAPI_OIGSII_STR-OIC_AORGIN sy-vline 
WA_BAPI_OIGSII_STR-OIC_ADESTN sy-vline 
WA_BAPI_OIGSII_STR-OIC_TRUCKN sy-vline 
WA_BAPI_OIGSII_STR-OIA_BASELO sy-vline 
WA_BAPI_OIGSII_STR-DOC_TYP_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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