ABAP Select data from SAP table J_3RS_IMNT_ITM_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RS_IMNT_ITM_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 J_3RS_IMNT_ITM_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 J_3RS_IMNT_ITM_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_J_3RS_IMNT_ITM_D TYPE STANDARD TABLE OF J_3RS_IMNT_ITM_D,
      WA_J_3RS_IMNT_ITM_D TYPE J_3RS_IMNT_ITM_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: <J_3RS_IMNT_ITM_D> TYPE J_3RS_IMNT_ITM_D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RS_IMNT_ITM_D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RS_IMNT_ITM_D
  INTO TABLE IT_J_3RS_IMNT_ITM_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RS_IMNT_ITM_D
*  INTO TABLE @DATA(IT_J_3RS_IMNT_ITM_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_J_3RS_IMNT_ITM_D INDEX 1 INTO DATA(WA_J_3RS_IMNT_ITM_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RS_IMNT_ITM_D ASSIGNING <J_3RS_IMNT_ITM_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RS_IMNT_ITM_D>-MANDT = 1.
<J_3RS_IMNT_ITM_D>-RU_IMPRTNOTIFINTERNALNUMBER = 1.
<J_3RS_IMNT_ITM_D>-RU_IMPORTNOTIFICATIONITEM = 1.
<J_3RS_IMNT_ITM_D>-BILLINGDOCUMENT = 1.
<J_3RS_IMNT_ITM_D>-BILLINGDOCUMENTITEM = 1.

ENDLOOP.

LOOP AT IT_J_3RS_IMNT_ITM_D INTO WA_J_3RS_IMNT_ITM_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RS_IMNT_ITM_D-DELIVERYDOCUMENT, sy-vline,
  WA_J_3RS_IMNT_ITM_D-DELIVERYDOCUMENTITEM, sy-vline,
  WA_J_3RS_IMNT_ITM_D-ISSUEDATE, sy-vline,
  WA_J_3RS_IMNT_ITM_D-MATERIAL, sy-vline,
  WA_J_3RS_IMNT_ITM_D-UNITOFMEASURE, sy-vline,
  WA_J_3RS_IMNT_ITM_D-QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RS_IMNT_ITM_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_J_3RS_IMNT_ITM_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_J_3RS_IMNT_ITM_D INTO WA_J_3RS_IMNT_ITM_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 BILLINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_IMNT_ITM_D-BILLINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_IMNT_ITM_D-BILLINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DELIVERYDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_IMNT_ITM_D-DELIVERYDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_IMNT_ITM_D-DELIVERYDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_IMNT_ITM_D-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_IMNT_ITM_D-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_IMNT_ITM_D-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_IMNT_ITM_D-UNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RS_IMNT_ITM_D-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RS_IMNT_ITM_D-SOLDTOPARTY.
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_J_3RS_IMNT_ITM_D_STR, 
MANDT TYPE STRING,
RU_IMPRTNOTIFINTERNALNUMBER TYPE STRING,
RU_IMPORTNOTIFICATIONITEM TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
DELIVERYDOCUMENT TYPE STRING,
DELIVERYDOCUMENTITEM TYPE STRING,
ISSUEDATE TYPE STRING,
MATERIAL TYPE STRING,
UNITOFMEASURE TYPE STRING,
QUANTITY TYPE STRING,
COMPANYCODE TYPE STRING,
SOLDTOPARTY TYPE STRING,
COUNTRY TYPE STRING,
TRDCLASSFCTNNMBR TYPE STRING,
RU_IMPORTNOTIFICATIONREFERENCE TYPE STRING,
RU_IMPORTNOTIFICATIONITEMREF TYPE STRING,
RU_IMPORTNOTIFHASFOLLOWUPDOC TYPE STRING,
CREATEDBYUSERNAME TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSERNAME TYPE STRING,
CHANGEDDATETIME TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RS_IMNT_ITM_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_J_3RS_IMNT_ITM_D_STR-MANDT sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-RU_IMPRTNOTIFINTERNALNUMBER sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-RU_IMPORTNOTIFICATIONITEM sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-BILLINGDOCUMENT sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-BILLINGDOCUMENTITEM sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DELIVERYDOCUMENT sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DELIVERYDOCUMENTITEM sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-ISSUEDATE sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-MATERIAL sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-UNITOFMEASURE sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-QUANTITY sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-COMPANYCODE sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-SOLDTOPARTY sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-COUNTRY sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-TRDCLASSFCTNNMBR sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-RU_IMPORTNOTIFICATIONREFERENCE sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-RU_IMPORTNOTIFICATIONITEMREF sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-RU_IMPORTNOTIFHASFOLLOWUPDOC sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-CREATEDBYUSERNAME sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-CREATIONDATETIME sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-LASTCHANGEDBYUSERNAME sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-CHANGEDDATETIME sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-HASACTIVEENTITY sy-vline 
WA_J_3RS_IMNT_ITM_D_STR-DRAFTFIELDCHANGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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