ABAP Select data from SAP table BAPI_OIGSS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_OIGSS 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_OIGSS. 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_OIGSS 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_OIGSS TYPE STANDARD TABLE OF BAPI_OIGSS,
      WA_BAPI_OIGSS TYPE BAPI_OIGSS,
      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_OIGSS> TYPE BAPI_OIGSS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_OIGSS
*  INTO TABLE @DATA(IT_BAPI_OIGSS2).
*--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_OIGSS INDEX 1 INTO DATA(WA_BAPI_OIGSS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_OIGSS>-SHNUMBER = 1.
<BAPI_OIGSS>-TSNUM = 1.
<BAPI_OIGSS>-TSTYP = 1.
<BAPI_OIGSS>-TSRFO = 1.
<BAPI_OIGSS>-VEHICLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_OIGSS-ELUPD, sy-vline,
  WA_BAPI_OIGSS-ROUTE, sy-vline,
  WA_BAPI_OIGSS-VSART, sy-vline,
  WA_BAPI_OIGSS-LAUFK, sy-vline,
  WA_BAPI_OIGSS-ADRNA, sy-vline,
  WA_BAPI_OIGSS-KNOTA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_OIGSS 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_OIGSS 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_OIGSS INTO WA_BAPI_OIGSS.


*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_OIGSS-SHNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_OIGSS-SHNUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field TDLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_OIGSS-TDLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_OIGSS-TDLNR.
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_OIGSS_STR, 
SHNUMBER TYPE STRING,
TSNUM TYPE STRING,
TSTYP TYPE STRING,
TSRFO TYPE STRING,
VEHICLE TYPE STRING,
ELUPD TYPE STRING,
ROUTE TYPE STRING,
VSART TYPE STRING,
LAUFK TYPE STRING,
ADRNA TYPE STRING,
KNOTA TYPE STRING,
VSTEL TYPE STRING,
LSTEL TYPE STRING,
WERKA TYPE STRING,
LGORTA TYPE STRING,
KUNNA TYPE STRING,
LIFNA TYPE STRING,
ADRNZ TYPE STRING,
KNOTZ TYPE STRING,
VSTEZ TYPE STRING,
LSTEZ TYPE STRING,
WERKZ TYPE STRING,
LGORTZ TYPE STRING,
KUNNZ TYPE STRING,
LIFNZ TYPE STRING,
TDLNR TYPE STRING,
DISTZ TYPE STRING,
DISTZ_UOM TYPE STRING,
TOTTIME TYPE STRING,
TOTTIME_UOM TYPE STRING,
DRVTIME TYPE STRING,
DRVTIME_UOM TYPE STRING,
ADRKNZA TYPE STRING,
KUNABLA TYPE STRING,
ADRKNZZ TYPE STRING,
KUNABLZ TYPE STRING,
FRKRL TYPE STRING,
SKALSM TYPE STRING,
FBSTA TYPE STRING,
ARSTA TYPE STRING,
VEH_IND TYPE STRING,
CARR_ROUT TYPE STRING,
TSTYP_TXT TYPE STRING,
DEPFLAG TYPE STRING,
DESTFLAG TYPE STRING,
FRKRLFLAG TYPE STRING,
DESCNODEA TYPE STRING,
DESCNODEZ TYPE STRING,
UPDATEFLAG TYPE STRING,
UOM_ISO2SAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_OIGSS_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_OIGSS_STR-SHNUMBER sy-vline 
WA_BAPI_OIGSS_STR-TSNUM sy-vline 
WA_BAPI_OIGSS_STR-TSTYP sy-vline 
WA_BAPI_OIGSS_STR-TSRFO sy-vline 
WA_BAPI_OIGSS_STR-VEHICLE sy-vline 
WA_BAPI_OIGSS_STR-ELUPD sy-vline 
WA_BAPI_OIGSS_STR-ROUTE sy-vline 
WA_BAPI_OIGSS_STR-VSART sy-vline 
WA_BAPI_OIGSS_STR-LAUFK sy-vline 
WA_BAPI_OIGSS_STR-ADRNA sy-vline 
WA_BAPI_OIGSS_STR-KNOTA sy-vline 
WA_BAPI_OIGSS_STR-VSTEL sy-vline 
WA_BAPI_OIGSS_STR-LSTEL sy-vline 
WA_BAPI_OIGSS_STR-WERKA sy-vline 
WA_BAPI_OIGSS_STR-LGORTA sy-vline 
WA_BAPI_OIGSS_STR-KUNNA sy-vline 
WA_BAPI_OIGSS_STR-LIFNA sy-vline 
WA_BAPI_OIGSS_STR-ADRNZ sy-vline 
WA_BAPI_OIGSS_STR-KNOTZ sy-vline 
WA_BAPI_OIGSS_STR-VSTEZ sy-vline 
WA_BAPI_OIGSS_STR-LSTEZ sy-vline 
WA_BAPI_OIGSS_STR-WERKZ sy-vline 
WA_BAPI_OIGSS_STR-LGORTZ sy-vline 
WA_BAPI_OIGSS_STR-KUNNZ sy-vline 
WA_BAPI_OIGSS_STR-LIFNZ sy-vline 
WA_BAPI_OIGSS_STR-TDLNR sy-vline 
WA_BAPI_OIGSS_STR-DISTZ sy-vline 
WA_BAPI_OIGSS_STR-DISTZ_UOM sy-vline 
WA_BAPI_OIGSS_STR-TOTTIME sy-vline 
WA_BAPI_OIGSS_STR-TOTTIME_UOM sy-vline 
WA_BAPI_OIGSS_STR-DRVTIME sy-vline 
WA_BAPI_OIGSS_STR-DRVTIME_UOM sy-vline 
WA_BAPI_OIGSS_STR-ADRKNZA sy-vline 
WA_BAPI_OIGSS_STR-KUNABLA sy-vline 
WA_BAPI_OIGSS_STR-ADRKNZZ sy-vline 
WA_BAPI_OIGSS_STR-KUNABLZ sy-vline 
WA_BAPI_OIGSS_STR-FRKRL sy-vline 
WA_BAPI_OIGSS_STR-SKALSM sy-vline 
WA_BAPI_OIGSS_STR-FBSTA sy-vline 
WA_BAPI_OIGSS_STR-ARSTA sy-vline 
WA_BAPI_OIGSS_STR-VEH_IND sy-vline 
WA_BAPI_OIGSS_STR-CARR_ROUT sy-vline 
WA_BAPI_OIGSS_STR-TSTYP_TXT sy-vline 
WA_BAPI_OIGSS_STR-DEPFLAG sy-vline 
WA_BAPI_OIGSS_STR-DESTFLAG sy-vline 
WA_BAPI_OIGSS_STR-FRKRLFLAG sy-vline 
WA_BAPI_OIGSS_STR-DESCNODEA sy-vline 
WA_BAPI_OIGSS_STR-DESCNODEZ sy-vline 
WA_BAPI_OIGSS_STR-UPDATEFLAG sy-vline 
WA_BAPI_OIGSS_STR-UOM_ISO2SAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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