ABAP Select data from SAP table NJIT_CG_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP NJIT_CG_D 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_CG_D. 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_CG_D 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_CG_D TYPE STANDARD TABLE OF NJIT_CG_D,
      WA_NJIT_CG_D TYPE NJIT_CG_D,
      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_CG_D> TYPE NJIT_CG_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NJIT_CG_D
*  INTO TABLE @DATA(IT_NJIT_CG_D2).
*--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_CG_D INDEX 1 INTO DATA(WA_NJIT_CG_D2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NJIT_CG_D-JITCALLCOMPGRPUUID, sy-vline,
  WA_NJIT_CG_D-EXTERNALJITCALLNUMBER, sy-vline,
  WA_NJIT_CG_D-COMPGRPNUMBERFOREDIT, sy-vline,
  WA_NJIT_CG_D-SHIPTOPARTY, sy-vline,
  WA_NJIT_CG_D-EXTCOMPGRPNUMBER, sy-vline,
  WA_NJIT_CG_D-COMPGRPMATL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NJIT_CG_D 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_CG_D 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_CG_D INTO WA_NJIT_CG_D.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field JITDELIVSQNCGRPID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NJIT_CG_D-JITDELIVSQNCGRPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NJIT_CG_D-JITDELIVSQNCGRPID.
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_CG_D_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
COMPGRPNUMBER TYPE STRING,
JITCALLCOMPGRPUUID 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,
SUPPLYAREADESC 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,
SOLDTOPARTY TYPE STRING,
PLANNEDSHIPPINGDATETIME TYPE STRING,
ACTUALSHIPPINGDATETIME TYPE STRING,
MATERIALAVAILABILITYDATE TYPE STRING,
MATERIALAVAILABILITYTIME TYPE STRING,
MATERIALAVAILABILITYDATETIME TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
REQUESTEDDELIVERYTIME TYPE STRING,
REQUESTEDDELIVERYDATETIME TYPE STRING,
WAREHOUSENUMBER TYPE STRING,
DELIVERYCREATIONDATE TYPE STRING,
DELIVERYSTATUS TYPE STRING,
PICKINGSTATUS TYPE STRING,
GOODSMOVEMENTSTATUS TYPE STRING,
JITCOMPGRPDOCRELTOPRODNSTS TYPE STRING,
JITCOMPGRPDOCCONFTOPRODNSTS TYPE STRING,
JITCOMPGRPDOCPCKGGRPSTS TYPE STRING,
PRODUCTIONSTARTDATE TYPE STRING,
PRODUCTIONENDDATE TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
TRANSMITTEDEXTSTSUPDTDDTETME TYPE STRING,
JITPCKGGRPUUID TYPE STRING,
JITDELIVSQNCGRPID TYPE STRING,
JITDELIVSQNCGRPUUID TYPE STRING,
JITDELIVCONFCONTROL TYPE STRING,
JITCALLTYPE TYPE STRING,
JITDELIVERYHDRSPLITCRITERION TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_NJIT_COMPGRP_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NJIT_CG_D_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_CG_D_STR-MANDT sy-vline 
WA_NJIT_CG_D_STR-DRAFTUUID sy-vline 
WA_NJIT_CG_D_STR-PARENTDRAFTUUID sy-vline 
WA_NJIT_CG_D_STR-INTERNALJITCALLNUMBER sy-vline 
WA_NJIT_CG_D_STR-COMPGRPNUMBER sy-vline 
WA_NJIT_CG_D_STR-JITCALLCOMPGRPUUID sy-vline 
WA_NJIT_CG_D_STR-EXTERNALJITCALLNUMBER sy-vline 
WA_NJIT_CG_D_STR-COMPGRPNUMBERFOREDIT sy-vline 
WA_NJIT_CG_D_STR-SHIPTOPARTY sy-vline 
WA_NJIT_CG_D_STR-EXTCOMPGRPNUMBER sy-vline 
WA_NJIT_CG_D_STR-COMPGRPMATL sy-vline 
WA_NJIT_CG_D_STR-CUSTCOMPGRPMATL sy-vline 
WA_NJIT_CG_D_STR-JITEXTSEQUENCENUMBER sy-vline 
WA_NJIT_CG_D_STR-TRANSMITTEDEXTSTATUSBYMFR sy-vline 
WA_NJIT_CG_D_STR-JITEXTSTATUSATSUPPLIER sy-vline 
WA_NJIT_CG_D_STR-JITEXTSTATUSUPDTDON sy-vline 
WA_NJIT_CG_D_STR-JITINTPROCESSINGSTATUS sy-vline 
WA_NJIT_CG_D_STR-JITINTSTATUSUPDTDON sy-vline 
WA_NJIT_CG_D_STR-REQUIREMENTDATETIME sy-vline 
WA_NJIT_CG_D_STR-PLANT sy-vline 
WA_NJIT_CG_D_STR-PLANTNAME sy-vline 
WA_NJIT_CG_D_STR-CUSTSUPPLYAREA sy-vline 
WA_NJIT_CG_D_STR-SUPPLYAREADESC sy-vline 
WA_NJIT_CG_D_STR-UNLOADINGPOINTNAME sy-vline 
WA_NJIT_CG_D_STR-SUPPLYCONTROLID sy-vline 
WA_NJIT_CG_D_STR-SUPPLYCONTROLUUID sy-vline 
WA_NJIT_CG_D_STR-JITACTIONCTRL sy-vline 
WA_NJIT_CG_D_STR-CUSTASSEMBLYLOC sy-vline 
WA_NJIT_CG_D_STR-SHIPPINGPOINT sy-vline 
WA_NJIT_CG_D_STR-SHIPPINGPOINTNAME sy-vline 
WA_NJIT_CG_D_STR-STORAGELOCATION sy-vline 
WA_NJIT_CG_D_STR-SOLDTOPARTY sy-vline 
WA_NJIT_CG_D_STR-PLANNEDSHIPPINGDATETIME sy-vline 
WA_NJIT_CG_D_STR-ACTUALSHIPPINGDATETIME sy-vline 
WA_NJIT_CG_D_STR-MATERIALAVAILABILITYDATE sy-vline 
WA_NJIT_CG_D_STR-MATERIALAVAILABILITYTIME sy-vline 
WA_NJIT_CG_D_STR-MATERIALAVAILABILITYDATETIME sy-vline 
WA_NJIT_CG_D_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_NJIT_CG_D_STR-REQUESTEDDELIVERYTIME sy-vline 
WA_NJIT_CG_D_STR-REQUESTEDDELIVERYDATETIME sy-vline 
WA_NJIT_CG_D_STR-WAREHOUSENUMBER sy-vline 
WA_NJIT_CG_D_STR-DELIVERYCREATIONDATE sy-vline 
WA_NJIT_CG_D_STR-DELIVERYSTATUS sy-vline 
WA_NJIT_CG_D_STR-PICKINGSTATUS sy-vline 
WA_NJIT_CG_D_STR-GOODSMOVEMENTSTATUS sy-vline 
WA_NJIT_CG_D_STR-JITCOMPGRPDOCRELTOPRODNSTS sy-vline 
WA_NJIT_CG_D_STR-JITCOMPGRPDOCCONFTOPRODNSTS sy-vline 
WA_NJIT_CG_D_STR-JITCOMPGRPDOCPCKGGRPSTS sy-vline 
WA_NJIT_CG_D_STR-PRODUCTIONSTARTDATE sy-vline 
WA_NJIT_CG_D_STR-PRODUCTIONENDDATE sy-vline 
WA_NJIT_CG_D_STR-PRODUCTIONVERSION sy-vline 
WA_NJIT_CG_D_STR-TRANSMITTEDEXTSTSUPDTDDTETME sy-vline 
WA_NJIT_CG_D_STR-JITPCKGGRPUUID sy-vline 
WA_NJIT_CG_D_STR-JITDELIVSQNCGRPID sy-vline 
WA_NJIT_CG_D_STR-JITDELIVSQNCGRPUUID sy-vline 
WA_NJIT_CG_D_STR-JITDELIVCONFCONTROL sy-vline 
WA_NJIT_CG_D_STR-JITCALLTYPE sy-vline 
WA_NJIT_CG_D_STR-JITDELIVERYHDRSPLITCRITERION sy-vline 
WA_NJIT_CG_D_STR-HASACTIVEENTITY sy-vline 
WA_NJIT_CG_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_NJIT_CG_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_NJIT_CG_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_NJIT_CG_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_NJIT_CG_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_NJIT_CG_D_STR-DUMMY_NJIT_COMPGRP_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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