ABAP Select data from SAP table NJIT_CALL_S_DELIVERY_LIST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP NJIT_CALL_S_DELIVERY_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 NJIT_CALL_S_DELIVERY_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 NJIT_CALL_S_DELIVERY_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_NJIT_CALL_S_DELIVERY_LIST TYPE STANDARD TABLE OF NJIT_CALL_S_DELIVERY_LIST,
      WA_NJIT_CALL_S_DELIVERY_LIST TYPE NJIT_CALL_S_DELIVERY_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: <NJIT_CALL_S_DELIVERY_LIST> TYPE NJIT_CALL_S_DELIVERY_LIST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NJIT_CALL_S_DELIVERY_LIST
*  INTO TABLE @DATA(IT_NJIT_CALL_S_DELIVERY_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_NJIT_CALL_S_DELIVERY_LIST INDEX 1 INTO DATA(WA_NJIT_CALL_S_DELIVERY_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NJIT_CALL_S_DELIVERY_LIST>-DELIVERYITEMNUMBER = 1.
<NJIT_CALL_S_DELIVERY_LIST>-MATERIAL = 1.
<NJIT_CALL_S_DELIVERY_LIST>-MATERIALBYCUSTOMER = 1.
<NJIT_CALL_S_DELIVERY_LIST>-ACTUALDELIVEREDQUANTITY = 1.
<NJIT_CALL_S_DELIVERY_LIST>-GOODSMOVEMENTSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NJIT_CALL_S_DELIVERY_LIST-HANDLINGUNITEXTERNALID, sy-vline,
  WA_NJIT_CALL_S_DELIVERY_LIST-EXTERNALJITCALLNUMBER, sy-vline,
  WA_NJIT_CALL_S_DELIVERY_LIST-EXTJITCALLITEMNUMBER, sy-vline,
  WA_NJIT_CALL_S_DELIVERY_LIST-EXTCOMPGRPNUMBER, sy-vline,
  WA_NJIT_CALL_S_DELIVERY_LIST-JITEXTSEQUENCENUMBER, sy-vline,
  WA_NJIT_CALL_S_DELIVERY_LIST-INTERNALJITCALLNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NJIT_CALL_S_DELIVERY_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_NJIT_CALL_S_DELIVERY_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_NJIT_CALL_S_DELIVERY_LIST INTO WA_NJIT_CALL_S_DELIVERY_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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_CALL_S_DELIVERY_LIST-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_CALL_S_DELIVERY_LIST-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_CALL_S_DELIVERY_LIST-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_CALL_S_DELIVERY_LIST-SALESORDER.
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_NJIT_CALL_S_DELIVERY_LIST_STR, 
DELIVERYITEMNUMBER TYPE STRING,
MATERIAL TYPE STRING,
MATERIALBYCUSTOMER TYPE STRING,
ACTUALDELIVEREDQUANTITY TYPE STRING,
GOODSMOVEMENTSTATUS TYPE STRING,
HANDLINGUNITEXTERNALID TYPE STRING,
EXTERNALJITCALLNUMBER TYPE STRING,
EXTJITCALLITEMNUMBER TYPE STRING,
EXTCOMPGRPNUMBER TYPE STRING,
JITEXTSEQUENCENUMBER TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
INTERNALJITCALLITEMNUMBER TYPE STRING,
COMPONENTGROUPNUMBER TYPE STRING,
JITCALLTYPE TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NJIT_CALL_S_DELIVERY_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_NJIT_CALL_S_DELIVERY_LIST_STR-DELIVERYITEMNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-MATERIAL sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-MATERIALBYCUSTOMER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-ACTUALDELIVEREDQUANTITY sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-GOODSMOVEMENTSTATUS sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-HANDLINGUNITEXTERNALID sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-EXTERNALJITCALLNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-EXTJITCALLITEMNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-EXTCOMPGRPNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-JITEXTSEQUENCENUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-INTERNALJITCALLNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-INTERNALJITCALLITEMNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-COMPONENTGROUPNUMBER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-JITCALLTYPE sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-SALESORDER sy-vline 
WA_NJIT_CALL_S_DELIVERY_LIST_STR-SALESORDERITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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