ABAP Select data from SAP table CJITCOMPGRP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJITCOMPGRP
*  INTO TABLE @DATA(IT_CJITCOMPGRP2).
*--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_CJITCOMPGRP INDEX 1 INTO DATA(WA_CJITCOMPGRP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJITCOMPGRP>-MANDT = 1.
<CJITCOMPGRP>-INTERNALJITCALLNUMBER = 1.
<CJITCOMPGRP>-COMPGRPNUMBER = 1.
<CJITCOMPGRP>-JITCALLCOMPGRPUUID = 1.
<CJITCOMPGRP>-SUPPLYAREAUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJITCOMPGRP-EXTERNALJITCALLNUMBER, sy-vline,
  WA_CJITCOMPGRP-SHIPTOPARTY, sy-vline,
  WA_CJITCOMPGRP-JITINTPROCESSINGSTATUS, sy-vline,
  WA_CJITCOMPGRP-JITINTERNALSTATUSTEXT, sy-vline,
  WA_CJITCOMPGRP-COMPGRPMATL, sy-vline,
  WA_CJITCOMPGRP-PRODUCTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJITCOMPGRP 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_CJITCOMPGRP 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_CJITCOMPGRP INTO WA_CJITCOMPGRP.


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

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

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

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

*Conversion exit ALPHA, internal->external for field JITPCKGGRPID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CJITCOMPGRP-JITPCKGGRPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJITCOMPGRP-JITPCKGGRPID.
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_CJITCOMPGRP_STR, 
MANDT TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
COMPGRPNUMBER TYPE STRING,
JITCALLCOMPGRPUUID TYPE STRING,
SUPPLYAREAUUID TYPE STRING,
EXTERNALJITCALLNUMBER TYPE STRING,
SHIPTOPARTY TYPE STRING,
JITINTPROCESSINGSTATUS TYPE STRING,
JITINTERNALSTATUSTEXT TYPE STRING,
COMPGRPMATL TYPE STRING,
PRODUCTNAME TYPE STRING,
REQUIREMENTDATETIME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
SALESORGANIZATION TYPE STRING,
SHIPPINGPOINT TYPE STRING,
SUPPLYCONTROLID TYPE STRING,
SUPPLYCONTROLDESC TYPE STRING,
CUSTSUPPLYAREA TYPE STRING,
SUPPLYAREADESC TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
JITACTIONCTRL TYPE STRING,
ACTUALSHIPPINGDATETIME TYPE STRING,
CUSTASSEMBLYLOC TYPE STRING,
DELIVERYCREATIONDATE TYPE STRING,
JITEXTSEQUENCENUMBER TYPE STRING,
JITEXTSTATUSATSUPPLIER TYPE STRING,
JITEXTERNALSTATUSTEXT TYPE STRING,
EXTCOMPGRPNUMBER TYPE STRING,
JITCALLTYPE TYPE STRING,
JITLIFECYCLESTATUS TYPE STRING,
JITLIFECYCLESTATUSTEXT TYPE STRING,
NUMBEROFITEMS TYPE STRING,
JITPCKGGRPID TYPE STRING,
JITALTVHNDLGUNITID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJITCOMPGRP_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_CJITCOMPGRP_STR-MANDT sy-vline 
WA_CJITCOMPGRP_STR-INTERNALJITCALLNUMBER sy-vline 
WA_CJITCOMPGRP_STR-COMPGRPNUMBER sy-vline 
WA_CJITCOMPGRP_STR-JITCALLCOMPGRPUUID sy-vline 
WA_CJITCOMPGRP_STR-SUPPLYAREAUUID sy-vline 
WA_CJITCOMPGRP_STR-EXTERNALJITCALLNUMBER sy-vline 
WA_CJITCOMPGRP_STR-SHIPTOPARTY sy-vline 
WA_CJITCOMPGRP_STR-JITINTPROCESSINGSTATUS sy-vline 
WA_CJITCOMPGRP_STR-JITINTERNALSTATUSTEXT sy-vline 
WA_CJITCOMPGRP_STR-COMPGRPMATL sy-vline 
WA_CJITCOMPGRP_STR-PRODUCTNAME sy-vline 
WA_CJITCOMPGRP_STR-REQUIREMENTDATETIME sy-vline 
WA_CJITCOMPGRP_STR-PLANT sy-vline 
WA_CJITCOMPGRP_STR-PLANTNAME sy-vline 
WA_CJITCOMPGRP_STR-SALESORGANIZATION sy-vline 
WA_CJITCOMPGRP_STR-SHIPPINGPOINT sy-vline 
WA_CJITCOMPGRP_STR-SUPPLYCONTROLID sy-vline 
WA_CJITCOMPGRP_STR-SUPPLYCONTROLDESC sy-vline 
WA_CJITCOMPGRP_STR-CUSTSUPPLYAREA sy-vline 
WA_CJITCOMPGRP_STR-SUPPLYAREADESC sy-vline 
WA_CJITCOMPGRP_STR-UNLOADINGPOINTNAME sy-vline 
WA_CJITCOMPGRP_STR-JITACTIONCTRL sy-vline 
WA_CJITCOMPGRP_STR-ACTUALSHIPPINGDATETIME sy-vline 
WA_CJITCOMPGRP_STR-CUSTASSEMBLYLOC sy-vline 
WA_CJITCOMPGRP_STR-DELIVERYCREATIONDATE sy-vline 
WA_CJITCOMPGRP_STR-JITEXTSEQUENCENUMBER sy-vline 
WA_CJITCOMPGRP_STR-JITEXTSTATUSATSUPPLIER sy-vline 
WA_CJITCOMPGRP_STR-JITEXTERNALSTATUSTEXT sy-vline 
WA_CJITCOMPGRP_STR-EXTCOMPGRPNUMBER sy-vline 
WA_CJITCOMPGRP_STR-JITCALLTYPE sy-vline 
WA_CJITCOMPGRP_STR-JITLIFECYCLESTATUS sy-vline 
WA_CJITCOMPGRP_STR-JITLIFECYCLESTATUSTEXT sy-vline 
WA_CJITCOMPGRP_STR-NUMBEROFITEMS sy-vline 
WA_CJITCOMPGRP_STR-JITPCKGGRPID sy-vline 
WA_CJITCOMPGRP_STR-JITALTVHNDLGUNITID sy-vline      INTO ld_text SEPARATED BY SPACE.

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