ABAP Select data from SAP table ROIO_GR_DLV_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIO_GR_DLV_LIST
*  INTO TABLE @DATA(IT_ROIO_GR_DLV_LIST2).
*--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_ROIO_GR_DLV_LIST INDEX 1 INTO DATA(WA_ROIO_GR_DLV_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIO_GR_DLV_LIST>-VBELN = 1.
<ROIO_GR_DLV_LIST>-POSNR = 1.
<ROIO_GR_DLV_LIST>-ERNAM = 1.
<ROIO_GR_DLV_LIST>-ERZET = 1.
<ROIO_GR_DLV_LIST>-ERDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIO_GR_DLV_LIST-VSTEL, sy-vline,
  WA_ROIO_GR_DLV_LIST-VSTEL_TXT, sy-vline,
  WA_ROIO_GR_DLV_LIST-VKORG, sy-vline,
  WA_ROIO_GR_DLV_LIST-VKORG_TXT, sy-vline,
  WA_ROIO_GR_DLV_LIST-LFART, sy-vline,
  WA_ROIO_GR_DLV_LIST-WADAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIO_GR_DLV_LIST 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_ROIO_GR_DLV_LIST 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_ROIO_GR_DLV_LIST INTO WA_ROIO_GR_DLV_LIST.


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

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

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_GR_DLV_LIST-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_GR_DLV_LIST-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_GR_DLV_LIST-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_GR_DLV_LIST-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_GR_DLV_LIST-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_GR_DLV_LIST-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATWA
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_GR_DLV_LIST-MATWA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_GR_DLV_LIST-MATWA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_GR_DLV_LIST-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_GR_DLV_LIST-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ROIO_GR_DLV_LIST-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIO_GR_DLV_LIST-VRKME.
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_ROIO_GR_DLV_LIST_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
ERNAM TYPE STRING,
ERZET TYPE STRING,
ERDAT TYPE STRING,
VSTEL TYPE STRING,
VSTEL_TXT TYPE STRING,
VKORG TYPE STRING,
VKORG_TXT TYPE STRING,
LFART TYPE STRING,
WADAT TYPE STRING,
LDDAT TYPE STRING,
TDDAT TYPE STRING,
LFDAT TYPE STRING,
KODAT TYPE STRING,
ABLAD TYPE STRING,
EXPKZ TYPE STRING,
ROUTE TYPE STRING,
LIFSK TYPE STRING,
KNFAK TYPE STRING,
KUNNR TYPE STRING,
KUNNR_TXT TYPE STRING,
BTGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
ANZPK TYPE STRING,
LSTEL TYPE STRING,
TRAGR TYPE STRING,
MATNR TYPE STRING,
MATNR_TXT TYPE STRING,
MATWA TYPE STRING,
MATKL TYPE STRING,
WERKS TYPE STRING,
WERKS_TXT TYPE STRING,
LGORT TYPE STRING,
LGORT_TXT TYPE STRING,
CHARG TYPE STRING,
LICHN TYPE STRING,
KDMAT TYPE STRING,
LFIMG TYPE STRING,
MEINS TYPE STRING,
VRKME TYPE STRING,
INFO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIO_GR_DLV_LIST_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_ROIO_GR_DLV_LIST_STR-VBELN sy-vline 
WA_ROIO_GR_DLV_LIST_STR-POSNR sy-vline 
WA_ROIO_GR_DLV_LIST_STR-ERNAM sy-vline 
WA_ROIO_GR_DLV_LIST_STR-ERZET sy-vline 
WA_ROIO_GR_DLV_LIST_STR-ERDAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VSTEL sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VSTEL_TXT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VKORG sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VKORG_TXT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LFART sy-vline 
WA_ROIO_GR_DLV_LIST_STR-WADAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LDDAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-TDDAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LFDAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-KODAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-ABLAD sy-vline 
WA_ROIO_GR_DLV_LIST_STR-EXPKZ sy-vline 
WA_ROIO_GR_DLV_LIST_STR-ROUTE sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LIFSK sy-vline 
WA_ROIO_GR_DLV_LIST_STR-KNFAK sy-vline 
WA_ROIO_GR_DLV_LIST_STR-KUNNR sy-vline 
WA_ROIO_GR_DLV_LIST_STR-KUNNR_TXT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-BTGEW sy-vline 
WA_ROIO_GR_DLV_LIST_STR-NTGEW sy-vline 
WA_ROIO_GR_DLV_LIST_STR-GEWEI sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VOLUM sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VOLEH sy-vline 
WA_ROIO_GR_DLV_LIST_STR-ANZPK sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LSTEL sy-vline 
WA_ROIO_GR_DLV_LIST_STR-TRAGR sy-vline 
WA_ROIO_GR_DLV_LIST_STR-MATNR sy-vline 
WA_ROIO_GR_DLV_LIST_STR-MATNR_TXT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-MATWA sy-vline 
WA_ROIO_GR_DLV_LIST_STR-MATKL sy-vline 
WA_ROIO_GR_DLV_LIST_STR-WERKS sy-vline 
WA_ROIO_GR_DLV_LIST_STR-WERKS_TXT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LGORT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LGORT_TXT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-CHARG sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LICHN sy-vline 
WA_ROIO_GR_DLV_LIST_STR-KDMAT sy-vline 
WA_ROIO_GR_DLV_LIST_STR-LFIMG sy-vline 
WA_ROIO_GR_DLV_LIST_STR-MEINS sy-vline 
WA_ROIO_GR_DLV_LIST_STR-VRKME sy-vline 
WA_ROIO_GR_DLV_LIST_STR-INFO sy-vline      INTO ld_text SEPARATED BY SPACE.

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