ABAP Select data from SAP table CJITCOMPGRPQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJITCOMPGRPQ
*  INTO TABLE @DATA(IT_CJITCOMPGRPQ2).
*--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_CJITCOMPGRPQ INDEX 1 INTO DATA(WA_CJITCOMPGRPQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJITCOMPGRPQ>-MANDT = 1.
<CJITCOMPGRPQ>-INTERNALJITCALLNUMBER = 1.
<CJITCOMPGRPQ>-COMPGRPNUMBER = 1.
<CJITCOMPGRPQ>-ACTIVESUPPLIER = 1.
<CJITCOMPGRPQ>-VEHICLEMODEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJITCOMPGRPQ-JITLIFECYCLESTATUS, sy-vline,
  WA_CJITCOMPGRPQ-JITLIFECYCLESTATUSTEXT, sy-vline,
  WA_CJITCOMPGRPQ-JITINTPROCESSINGSTATUS, sy-vline,
  WA_CJITCOMPGRPQ-JITINTERNALSTATUSTEXT, sy-vline,
  WA_CJITCOMPGRPQ-JITINTPROCESSINGSTATUSTYPE, sy-vline,
  WA_CJITCOMPGRPQ-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJITCOMPGRPQ 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_CJITCOMPGRPQ 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_CJITCOMPGRPQ INTO WA_CJITCOMPGRPQ.


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

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

*Conversion exit TSTLC, internal->external for field REQUIREMENTDATETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CJITCOMPGRPQ-REQUIREMENTDATETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJITCOMPGRPQ-REQUIREMENTDATETIME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field COMPGRPMATL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CJITCOMPGRPQ-COMPGRPMATL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJITCOMPGRPQ-COMPGRPMATL.
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_CJITCOMPGRPQ_STR, 
MANDT TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
COMPGRPNUMBER TYPE STRING,
ACTIVESUPPLIER TYPE STRING,
VEHICLEMODEL TYPE STRING,
JITLIFECYCLESTATUS TYPE STRING,
JITLIFECYCLESTATUSTEXT TYPE STRING,
JITINTPROCESSINGSTATUS TYPE STRING,
JITINTERNALSTATUSTEXT TYPE STRING,
JITINTPROCESSINGSTATUSTYPE TYPE STRING,
PLANT TYPE STRING,
PRODUCTIONSUPPLYAREA TYPE STRING,
JITACTIONCTRL TYPE STRING,
JITOUTBSTOCKTRANSFERSTS TYPE STRING,
JITSTOCKTRANSFERSTSTEXT TYPE STRING,
REQUIREMENTDATETIME TYPE STRING,
JITCONTROLCYCLE TYPE STRING,
RESPONSIBLE TYPE STRING,
JITOUTBDESTINATIONSTORLOC TYPE STRING,
COMPGRPMATL TYPE STRING,
ISSUINGORRECEIVINGSTORAGELOC TYPE STRING,
EWMWAREHOUSE TYPE STRING,
STORAGETYPE TYPE STRING,
STORAGEBIN TYPE STRING,
REPLENISHMENTSTRATEGY TYPE STRING,
PRODUCTNAME TYPE STRING,
JITEXTERNALREPLENISHMENT TYPE STRING,
TOTALNUMBEROFJITCALLS TYPE STRING,
NUMBEROFDISTINCTPRODUCTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJITCOMPGRPQ_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_CJITCOMPGRPQ_STR-MANDT sy-vline 
WA_CJITCOMPGRPQ_STR-INTERNALJITCALLNUMBER sy-vline 
WA_CJITCOMPGRPQ_STR-COMPGRPNUMBER sy-vline 
WA_CJITCOMPGRPQ_STR-ACTIVESUPPLIER sy-vline 
WA_CJITCOMPGRPQ_STR-VEHICLEMODEL sy-vline 
WA_CJITCOMPGRPQ_STR-JITLIFECYCLESTATUS sy-vline 
WA_CJITCOMPGRPQ_STR-JITLIFECYCLESTATUSTEXT sy-vline 
WA_CJITCOMPGRPQ_STR-JITINTPROCESSINGSTATUS sy-vline 
WA_CJITCOMPGRPQ_STR-JITINTERNALSTATUSTEXT sy-vline 
WA_CJITCOMPGRPQ_STR-JITINTPROCESSINGSTATUSTYPE sy-vline 
WA_CJITCOMPGRPQ_STR-PLANT sy-vline 
WA_CJITCOMPGRPQ_STR-PRODUCTIONSUPPLYAREA sy-vline 
WA_CJITCOMPGRPQ_STR-JITACTIONCTRL sy-vline 
WA_CJITCOMPGRPQ_STR-JITOUTBSTOCKTRANSFERSTS sy-vline 
WA_CJITCOMPGRPQ_STR-JITSTOCKTRANSFERSTSTEXT sy-vline 
WA_CJITCOMPGRPQ_STR-REQUIREMENTDATETIME sy-vline 
WA_CJITCOMPGRPQ_STR-JITCONTROLCYCLE sy-vline 
WA_CJITCOMPGRPQ_STR-RESPONSIBLE sy-vline 
WA_CJITCOMPGRPQ_STR-JITOUTBDESTINATIONSTORLOC sy-vline 
WA_CJITCOMPGRPQ_STR-COMPGRPMATL sy-vline 
WA_CJITCOMPGRPQ_STR-ISSUINGORRECEIVINGSTORAGELOC sy-vline 
WA_CJITCOMPGRPQ_STR-EWMWAREHOUSE sy-vline 
WA_CJITCOMPGRPQ_STR-STORAGETYPE sy-vline 
WA_CJITCOMPGRPQ_STR-STORAGEBIN sy-vline 
WA_CJITCOMPGRPQ_STR-REPLENISHMENTSTRATEGY sy-vline 
WA_CJITCOMPGRPQ_STR-PRODUCTNAME sy-vline 
WA_CJITCOMPGRPQ_STR-JITEXTERNALREPLENISHMENT sy-vline 
WA_CJITCOMPGRPQ_STR-TOTALNUMBEROFJITCALLS sy-vline 
WA_CJITCOMPGRPQ_STR-NUMBEROFDISTINCTPRODUCTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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