ABAP Select data from SAP table NJIT_CALL_S_CGRP_EXT 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_CGRP_EXT 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_CGRP_EXT. 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_CGRP_EXT 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_CGRP_EXT TYPE STANDARD TABLE OF NJIT_CALL_S_CGRP_EXT,
      WA_NJIT_CALL_S_CGRP_EXT TYPE NJIT_CALL_S_CGRP_EXT,
      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_CGRP_EXT> TYPE NJIT_CALL_S_CGRP_EXT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NJIT_CALL_S_CGRP_EXT
*  INTO TABLE @DATA(IT_NJIT_CALL_S_CGRP_EXT2).
*--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_CGRP_EXT INDEX 1 INTO DATA(WA_NJIT_CALL_S_CGRP_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NJIT_CALL_S_CGRP_EXT>-INTERNALJITCALLNUMBER = 1.
<NJIT_CALL_S_CGRP_EXT>-COMPGRPNUMBER = 1.
<NJIT_CALL_S_CGRP_EXT>-EXTERNALJITCALLNUMBER = 1.
<NJIT_CALL_S_CGRP_EXT>-COMPGRPNUMBERFOREDIT = 1.
<NJIT_CALL_S_CGRP_EXT>-SHIPTOPARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NJIT_CALL_S_CGRP_EXT-EXTCOMPGRPNUMBER, sy-vline,
  WA_NJIT_CALL_S_CGRP_EXT-COMPGRPMATL, sy-vline,
  WA_NJIT_CALL_S_CGRP_EXT-CUSTCOMPGRPMATL, sy-vline,
  WA_NJIT_CALL_S_CGRP_EXT-JITEXTSEQUENCENUMBER, sy-vline,
  WA_NJIT_CALL_S_CGRP_EXT-TRANSMITTEDEXTSTATUSBYMFR, sy-vline,
  WA_NJIT_CALL_S_CGRP_EXT-JITEXTSTATUSATSUPPLIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NJIT_CALL_S_CGRP_EXT 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_CGRP_EXT 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_CGRP_EXT INTO WA_NJIT_CALL_S_CGRP_EXT.


*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_CALL_S_CGRP_EXT-INTERNALJITCALLNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_CALL_S_CGRP_EXT-INTERNALJITCALLNUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLYCONTROLID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_CALL_S_CGRP_EXT-SUPPLYCONTROLID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_CALL_S_CGRP_EXT-SUPPLYCONTROLID.
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_CGRP_EXT_STR, 
INTERNALJITCALLNUMBER TYPE STRING,
COMPGRPNUMBER TYPE STRING,
EXTERNALJITCALLNUMBER TYPE STRING,
COMPGRPNUMBERFOREDIT TYPE STRING,
SHIPTOPARTY TYPE STRING,
EXTCOMPGRPNUMBER TYPE STRING,
COMPGRPMATL TYPE STRING,
CUSTCOMPGRPMATL TYPE STRING,
JITEXTSEQUENCENUMBER TYPE STRING,
TRANSMITTEDEXTSTATUSBYMFR TYPE STRING,
JITEXTSTATUSATSUPPLIER TYPE STRING,
JITEXTSTATUSUPDTDON TYPE STRING,
JITINTPROCESSINGSTATUS TYPE STRING,
JITINTSTATUSUPDTDON TYPE STRING,
REQUIREMENTDATETIME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
CUSTSUPPLYAREA TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
SUPPLYCONTROLID TYPE STRING,
SUPPLYCONTROLUUID TYPE STRING,
JITACTIONCTRL TYPE STRING,
CUSTASSEMBLYLOC TYPE STRING,
SHIPPINGPOINT TYPE STRING,
SHIPPINGPOINTNAME TYPE STRING,
STORAGELOCATION TYPE STRING,
PLANNEDSHIPPINGDATETIME TYPE STRING,
ACTUALSHIPPINGDATETIME TYPE STRING,
MATERIALAVAILABILITYDATE TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
REQUESTEDDELIVERYTIME TYPE STRING,
WAREHOUSENUMBER TYPE STRING,
DELIVERYCREATIONDATE TYPE STRING,
DELIVERYSTATUS TYPE STRING,
PICKINGSTATUS TYPE STRING,
GOODSMOVEMENTSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NJIT_CALL_S_CGRP_EXT_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_CGRP_EXT_STR-INTERNALJITCALLNUMBER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-COMPGRPNUMBER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-EXTERNALJITCALLNUMBER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-COMPGRPNUMBERFOREDIT sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-SHIPTOPARTY sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-EXTCOMPGRPNUMBER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-COMPGRPMATL sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-CUSTCOMPGRPMATL sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-JITEXTSEQUENCENUMBER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-TRANSMITTEDEXTSTATUSBYMFR sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-JITEXTSTATUSATSUPPLIER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-JITEXTSTATUSUPDTDON sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-JITINTPROCESSINGSTATUS sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-JITINTSTATUSUPDTDON sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-REQUIREMENTDATETIME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-PLANT sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-PLANTNAME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-CUSTSUPPLYAREA sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-UNLOADINGPOINTNAME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-SUPPLYCONTROLID sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-SUPPLYCONTROLUUID sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-JITACTIONCTRL sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-CUSTASSEMBLYLOC sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-SHIPPINGPOINT sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-SHIPPINGPOINTNAME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-STORAGELOCATION sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-PLANNEDSHIPPINGDATETIME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-ACTUALSHIPPINGDATETIME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-MATERIALAVAILABILITYDATE sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-REQUESTEDDELIVERYTIME sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-WAREHOUSENUMBER sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-DELIVERYCREATIONDATE sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-DELIVERYSTATUS sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-PICKINGSTATUS sy-vline 
WA_NJIT_CALL_S_CGRP_EXT_STR-GOODSMOVEMENTSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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