ABAP Select data from SAP table ISRUIMPRTCSTMSDECLNITEMTP4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISRUIMPRTCSTMSDECLNITEMTP4 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 ISRUIMPRTCSTMSDECLNITEMTP4. 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 ISRUIMPRTCSTMSDECLNITEMTP4 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_ISRUIMPRTCSTMSDECLNITEMTP4 TYPE STANDARD TABLE OF ISRUIMPRTCSTMSDECLNITEMTP4,
      WA_ISRUIMPRTCSTMSDECLNITEMTP4 TYPE ISRUIMPRTCSTMSDECLNITEMTP4,
      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: <ISRUIMPRTCSTMSDECLNITEMTP4> TYPE ISRUIMPRTCSTMSDECLNITEMTP4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISRUIMPRTCSTMSDECLNITEMTP4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISRUIMPRTCSTMSDECLNITEMTP4
  INTO TABLE IT_ISRUIMPRTCSTMSDECLNITEMTP4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISRUIMPRTCSTMSDECLNITEMTP4
*  INTO TABLE @DATA(IT_ISRUIMPRTCSTMSDECLNITEMTP42).
*--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_ISRUIMPRTCSTMSDECLNITEMTP4 INDEX 1 INTO DATA(WA_ISRUIMPRTCSTMSDECLNITEMTP42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISRUIMPRTCSTMSDECLNITEMTP4 ASSIGNING <ISRUIMPRTCSTMSDECLNITEMTP4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISRUIMPRTCSTMSDECLNITEMTP4>-KEY = 1.
<ISRUIMPRTCSTMSDECLNITEMTP4>-PARENT_KEY = 1.
<ISRUIMPRTCSTMSDECLNITEMTP4>-ROOT_KEY = 1.
<ISRUIMPRTCSTMSDECLNITEMTP4>-IMPORTCUSTOMSDECLN = 1.
<ISRUIMPRTCSTMSDECLNITEMTP4>-IMPORTCUSTOMSDECLNITEM = 1.

ENDLOOP.

LOOP AT IT_ISRUIMPRTCSTMSDECLNITEMTP4 INTO WA_ISRUIMPRTCSTMSDECLNITEMTP4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISRUIMPRTCSTMSDECLNITEMTP4-IMPORTCUSTOMSDECLNPRINTITEM, sy-vline,
  WA_ISRUIMPRTCSTMSDECLNITEMTP4-PURCHASEORDER, sy-vline,
  WA_ISRUIMPRTCSTMSDECLNITEMTP4-PURCHASEORDERITEM, sy-vline,
  WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENT, sy-vline,
  WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENTYEAR, sy-vline,
  WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENTITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISRUIMPRTCSTMSDECLNITEMTP4 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_ISRUIMPRTCSTMSDECLNITEMTP4 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_ISRUIMPRTCSTMSDECLNITEMTP4 INTO WA_ISRUIMPRTCSTMSDECLNITEMTP4.


*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 IMPORTCUSTOMSDECLN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-IMPORTCUSTOMSDECLN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-IMPORTCUSTOMSDECLN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MATERIALDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INBOUNDDELIVERY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-INBOUNDDELIVERY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-INBOUNDDELIVERY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-BASEUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-BASEUNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIERFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISRUIMPRTCSTMSDECLNITEMTP4-SUPPLIERFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISRUIMPRTCSTMSDECLNITEMTP4-SUPPLIERFOREDIT.
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_ISRUIMPRTCSTMSDECLNITEMTP4_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
IMPORTCUSTOMSDECLN TYPE STRING,
IMPORTCUSTOMSDECLNITEM TYPE STRING,
IMPORTCUSTOMSDECLNPRINTITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
INBOUNDDELIVERY TYPE STRING,
INBOUNDDELIVERYITEM TYPE STRING,
ORIGINCOUNTRY TYPE STRING,
QUANTITY TYPE STRING,
BASEUNITOFMEASURE TYPE STRING,
MATERIAL TYPE STRING,
CREATEDBYUSER TYPE STRING,
CUSTOMSDECLNCREATEDDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CUSTOMSDECLNCHANGEDDATETIME TYPE STRING,
COMPANYCODE TYPE STRING,
RU_ENTRYCUSTOMSOFFICE TYPE STRING,
CUSTOMSDECLARATIONDATE TYPE STRING,
RU_CUSTOMSDECLARATION TYPE STRING,
SUPPLIER TYPE STRING,
RU_CUSTOMSDECLARATIONORIGIN TYPE STRING,
RU_CUSTOMSDECLARATIONTYPE TYPE STRING,
CURRENCY TYPE STRING,
SUPPLIERAUTHZNGRP TYPE STRING,
SUPPLIERCOMPANYAUTHZNGROUP TYPE STRING,
COMPANYCODEFOREDIT TYPE STRING,
RU_ENTRYCUSTOMSOFFICEFOREDIT TYPE STRING,
FOREDITCUSTOMSDECLARATIONDATE TYPE STRING,
RU_CUSTOMSDECLARATIONFOREDIT TYPE STRING,
SUPPLIERFOREDIT TYPE STRING,
RU_CUSTOMSDECLNORIGINFOREDIT TYPE STRING,
RU_CUSTOMSDECLNTYPEFOREDIT TYPE STRING,
ISBLOCKED TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISRUIMPRTCSTMSDECLNITEMTP4_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_ISRUIMPRTCSTMSDECLNITEMTP4_STR-KEY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-PARENT_KEY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-ROOT_KEY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-IMPORTCUSTOMSDECLN sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-IMPORTCUSTOMSDECLNITEM sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-IMPORTCUSTOMSDECLNPRINTITEM sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-PURCHASEORDER sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-PURCHASEORDERITEM sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-MATERIALDOCUMENT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-MATERIALDOCUMENTITEM sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-INBOUNDDELIVERY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-INBOUNDDELIVERYITEM sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-ORIGINCOUNTRY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-QUANTITY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-BASEUNITOFMEASURE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-MATERIAL sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-CREATEDBYUSER sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-CUSTOMSDECLNCREATEDDATETIME sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-CUSTOMSDECLNCHANGEDDATETIME sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-COMPANYCODE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_ENTRYCUSTOMSOFFICE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-CUSTOMSDECLARATIONDATE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_CUSTOMSDECLARATION sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-SUPPLIER sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_CUSTOMSDECLARATIONORIGIN sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_CUSTOMSDECLARATIONTYPE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-CURRENCY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-SUPPLIERAUTHZNGRP sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-SUPPLIERCOMPANYAUTHZNGROUP sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-COMPANYCODEFOREDIT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_ENTRYCUSTOMSOFFICEFOREDIT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-FOREDITCUSTOMSDECLARATIONDATE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_CUSTOMSDECLARATIONFOREDIT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-SUPPLIERFOREDIT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_CUSTOMSDECLNORIGINFOREDIT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-RU_CUSTOMSDECLNTYPEFOREDIT sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-ISBLOCKED sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-HASACTIVEENTITY sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISRUIMPRTCSTMSDECLNITEMTP4_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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