ABAP Select data from SAP table CJITDCNFDREFTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJITDCNFDREFTP
*  INTO TABLE @DATA(IT_CJITDCNFDREFTP2).
*--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_CJITDCNFDREFTP INDEX 1 INTO DATA(WA_CJITDCNFDREFTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJITDCNFDREFTP>-MANDT = 1.
<CJITDCNFDREFTP>-JITDELIVCONFREFDOCUUID = 1.
<CJITDCNFDREFTP>-JITDELIVERYCONFIRMATIONITMUUID = 1.
<CJITDCNFDREFTP>-JITDELIVERYCONFIRMATIONUUID = 1.
<CJITDCNFDREFTP>-BUSINESSTRANSACTIONDOCTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJITDCNFDREFTP-BUSINESSTRANSACTIONDOCUMENT, sy-vline,
  WA_CJITDCNFDREFTP-INTERNALJITCALLNUMBER, sy-vline,
  WA_CJITDCNFDREFTP-BUSINESSTRANSDOCCREATIONDATE, sy-vline,
  WA_CJITDCNFDREFTP-BUSINESSTRANSACTIONDOCITEM, sy-vline,
  WA_CJITDCNFDREFTP-EXTERNALJITCALLNUMBER, sy-vline,
  WA_CJITDCNFDREFTP-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJITDCNFDREFTP 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_CJITDCNFDREFTP 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_CJITDCNFDREFTP INTO WA_CJITDCNFDREFTP.


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

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

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

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

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

*Conversion exit CUNIT, internal->external for field QUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CJITDCNFDREFTP-QUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJITDCNFDREFTP-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_CJITDCNFDREFTP_STR, 
MANDT TYPE STRING,
JITDELIVCONFREFDOCUUID TYPE STRING,
JITDELIVERYCONFIRMATIONITMUUID TYPE STRING,
JITDELIVERYCONFIRMATIONUUID TYPE STRING,
BUSINESSTRANSACTIONDOCTYPE TYPE STRING,
BUSINESSTRANSACTIONDOCUMENT TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
BUSINESSTRANSDOCCREATIONDATE TYPE STRING,
BUSINESSTRANSACTIONDOCITEM TYPE STRING,
EXTERNALJITCALLNUMBER TYPE STRING,
MATERIAL TYPE STRING,
MATERIALBYCUSTOMER TYPE STRING,
ACTUALDELIVEREDQUANTITY TYPE STRING,
QUANTITYUNIT TYPE STRING,
JITCOMPONENTISREORDEREDTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJITDCNFDREFTP_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_CJITDCNFDREFTP_STR-MANDT sy-vline 
WA_CJITDCNFDREFTP_STR-JITDELIVCONFREFDOCUUID sy-vline 
WA_CJITDCNFDREFTP_STR-JITDELIVERYCONFIRMATIONITMUUID sy-vline 
WA_CJITDCNFDREFTP_STR-JITDELIVERYCONFIRMATIONUUID sy-vline 
WA_CJITDCNFDREFTP_STR-BUSINESSTRANSACTIONDOCTYPE sy-vline 
WA_CJITDCNFDREFTP_STR-BUSINESSTRANSACTIONDOCUMENT sy-vline 
WA_CJITDCNFDREFTP_STR-INTERNALJITCALLNUMBER sy-vline 
WA_CJITDCNFDREFTP_STR-BUSINESSTRANSDOCCREATIONDATE sy-vline 
WA_CJITDCNFDREFTP_STR-BUSINESSTRANSACTIONDOCITEM sy-vline 
WA_CJITDCNFDREFTP_STR-EXTERNALJITCALLNUMBER sy-vline 
WA_CJITDCNFDREFTP_STR-MATERIAL sy-vline 
WA_CJITDCNFDREFTP_STR-MATERIALBYCUSTOMER sy-vline 
WA_CJITDCNFDREFTP_STR-ACTUALDELIVEREDQUANTITY sy-vline 
WA_CJITDCNFDREFTP_STR-QUANTITYUNIT sy-vline 
WA_CJITDCNFDREFTP_STR-JITCOMPONENTISREORDEREDTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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