ABAP Select data from SAP table NJIT_OUTB_CALL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP NJIT_OUTB_CALL 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_OUTB_CALL. 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_OUTB_CALL 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_OUTB_CALL TYPE STANDARD TABLE OF NJIT_OUTB_CALL,
      WA_NJIT_OUTB_CALL TYPE NJIT_OUTB_CALL,
      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_OUTB_CALL> TYPE NJIT_OUTB_CALL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NJIT_OUTB_CALL
*  INTO TABLE @DATA(IT_NJIT_OUTB_CALL2).
*--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_OUTB_CALL INDEX 1 INTO DATA(WA_NJIT_OUTB_CALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NJIT_OUTB_CALL>-MANDT = 1.
<NJIT_OUTB_CALL>-DRAFTUUID = 1.
<NJIT_OUTB_CALL>-PARENTDRAFTUUID = 1.
<NJIT_OUTB_CALL>-PARENTDRAFTKEY = 1.
<NJIT_OUTB_CALL>-INTERNALJITCALLNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NJIT_OUTB_CALL-COMPGRPNUMBER, sy-vline,
  WA_NJIT_OUTB_CALL-JITCALLCOMPGRPUUID, sy-vline,
  WA_NJIT_OUTB_CALL-JITCONTROLCYCLE, sy-vline,
  WA_NJIT_OUTB_CALL-COMPGRPMATL, sy-vline,
  WA_NJIT_OUTB_CALL-JITLIFECYCLESTATUS, sy-vline,
  WA_NJIT_OUTB_CALL-JITLIFECYCLESTATUSTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NJIT_OUTB_CALL 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_OUTB_CALL 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_OUTB_CALL INTO WA_NJIT_OUTB_CALL.


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

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

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

*Conversion exit CUNIT, internal->external for field QUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_OUTB_CALL-QUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_OUTB_CALL-QUANTITYUNIT.
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_OUTB_CALL_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
PARENTDRAFTKEY TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
COMPGRPNUMBER TYPE STRING,
JITCALLCOMPGRPUUID TYPE STRING,
JITCONTROLCYCLE TYPE STRING,
COMPGRPMATL TYPE STRING,
JITLIFECYCLESTATUS TYPE STRING,
JITLIFECYCLESTATUSTEXT TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
JITMISSINGPARTFLAG TYPE STRING,
JITINTERNALSTATUSTEXT TYPE STRING,
JITINTPROCESSINGSTATUS TYPE STRING,
JITINTSTATUSUPDTDON TYPE STRING,
REQUIREMENTDATETIME TYPE STRING,
JITOUTBSTOCKTRANSFERSTS TYPE STRING,
QUANTITYUNIT TYPE STRING,
REQUESTEDQUANTITY TYPE STRING,
JITOUTBPICKEDQUANTITY TYPE STRING,
JITSTOCKTRANSFERSTSTEXT TYPE STRING,
PRODUCTNAME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NJIT_OUTB_CALL_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_OUTB_CALL_STR-MANDT sy-vline 
WA_NJIT_OUTB_CALL_STR-DRAFTUUID sy-vline 
WA_NJIT_OUTB_CALL_STR-PARENTDRAFTUUID sy-vline 
WA_NJIT_OUTB_CALL_STR-PARENTDRAFTKEY sy-vline 
WA_NJIT_OUTB_CALL_STR-INTERNALJITCALLNUMBER sy-vline 
WA_NJIT_OUTB_CALL_STR-COMPGRPNUMBER sy-vline 
WA_NJIT_OUTB_CALL_STR-JITCALLCOMPGRPUUID sy-vline 
WA_NJIT_OUTB_CALL_STR-JITCONTROLCYCLE sy-vline 
WA_NJIT_OUTB_CALL_STR-COMPGRPMATL sy-vline 
WA_NJIT_OUTB_CALL_STR-JITLIFECYCLESTATUS sy-vline 
WA_NJIT_OUTB_CALL_STR-JITLIFECYCLESTATUSTEXT sy-vline 
WA_NJIT_OUTB_CALL_STR-CREATEDBYUSER sy-vline 
WA_NJIT_OUTB_CALL_STR-CREATIONDATETIME sy-vline 
WA_NJIT_OUTB_CALL_STR-JITMISSINGPARTFLAG sy-vline 
WA_NJIT_OUTB_CALL_STR-JITINTERNALSTATUSTEXT sy-vline 
WA_NJIT_OUTB_CALL_STR-JITINTPROCESSINGSTATUS sy-vline 
WA_NJIT_OUTB_CALL_STR-JITINTSTATUSUPDTDON sy-vline 
WA_NJIT_OUTB_CALL_STR-REQUIREMENTDATETIME sy-vline 
WA_NJIT_OUTB_CALL_STR-JITOUTBSTOCKTRANSFERSTS sy-vline 
WA_NJIT_OUTB_CALL_STR-QUANTITYUNIT sy-vline 
WA_NJIT_OUTB_CALL_STR-REQUESTEDQUANTITY sy-vline 
WA_NJIT_OUTB_CALL_STR-JITOUTBPICKEDQUANTITY sy-vline 
WA_NJIT_OUTB_CALL_STR-JITSTOCKTRANSFERSTSTEXT sy-vline 
WA_NJIT_OUTB_CALL_STR-PRODUCTNAME sy-vline 
WA_NJIT_OUTB_CALL_STR-HASACTIVEENTITY sy-vline 
WA_NJIT_OUTB_CALL_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_NJIT_OUTB_CALL_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_NJIT_OUTB_CALL_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_NJIT_OUTB_CALL_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_NJIT_OUTB_CALL_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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