ABAP Select data from SAP table IBUPACUSTOMER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBUPACUSTOMER
*  INTO TABLE @DATA(IT_IBUPACUSTOMER2).
*--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_IBUPACUSTOMER INDEX 1 INTO DATA(WA_IBUPACUSTOMER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBUPACUSTOMER>-MANDT = 1.
<IBUPACUSTOMER>-CUSTOMER = 1.
<IBUPACUSTOMER>-BUSINESSPARTNER = 1.
<IBUPACUSTOMER>-BUSINESSPARTNERUUID = 1.
<IBUPACUSTOMER>-CUSTOMERACCOUNTGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBUPACUSTOMER-ALTERNATIVEPAYERACCOUNT, sy-vline,
  WA_IBUPACUSTOMER-DATAMEDIUMEXCHANGEINDICATOR, sy-vline,
  WA_IBUPACUSTOMER-SUPPLIER, sy-vline,
  WA_IBUPACUSTOMER-CUSTOMERCLASSIFICATION, sy-vline,
  WA_IBUPACUSTOMER-VATLIABILITY, sy-vline,
  WA_IBUPACUSTOMER-POSTINGISBLOCKED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBUPACUSTOMER 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_IBUPACUSTOMER 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_IBUPACUSTOMER INTO WA_IBUPACUSTOMER.


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

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

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

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

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

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_IBUPACUSTOMER-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBUPACUSTOMER-LANGUAGE.
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_IBUPACUSTOMER_STR, 
MANDT TYPE STRING,
CUSTOMER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
CUSTOMERACCOUNTGROUP TYPE STRING,
ALTERNATIVEPAYERACCOUNT TYPE STRING,
DATAMEDIUMEXCHANGEINDICATOR TYPE STRING,
SUPPLIER TYPE STRING,
CUSTOMERCLASSIFICATION TYPE STRING,
VATLIABILITY TYPE STRING,
POSTINGISBLOCKED TYPE STRING,
DELIVERYISBLOCKED TYPE STRING,
BILLINGISBLOCKEDFORCUSTOMER TYPE STRING,
ORDERISBLOCKEDFORCUSTOMER TYPE STRING,
ISNATURALPERSON TYPE STRING,
BUSINESSPARTNERGROUPING TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
DELIVERYDATETYPERULE TYPE STRING,
ISACTIVEENTITY TYPE STRING,
EXPRESSTRAINSTATIONNAME TYPE STRING,
TRAINSTATIONNAME TYPE STRING,
CITYLOCATIONCOORDINATESCODE TYPE STRING,
PLANT TYPE STRING,
CUSTOMERCORPORATEGROUP TYPE STRING,
DATAEXCHANGEINSTRUCTIONKEY TYPE STRING,
INDUSTRYCODE1 TYPE STRING,
INDUSTRYCODE2 TYPE STRING,
INDUSTRYCODE3 TYPE STRING,
ISCOMPETITOR TYPE STRING,
ISSALESPARTNER TYPE STRING,
ISDEFAULTSOLDTOPARTY TYPE STRING,
ISCONSUMER TYPE STRING,
FISCALADDRESS TYPE STRING,
FREEDEFINEDATTRIBUTE03 TYPE STRING,
CUSTOMERCONDITIONGROUP1 TYPE STRING,
CUSTOMERCONDITIONGROUP2 TYPE STRING,
CUSTOMERCONDITIONGROUP3 TYPE STRING,
CUSTOMERCONDITIONGROUP4 TYPE STRING,
CUSTOMERCONDITIONGROUP5 TYPE STRING,
ADDRESSID TYPE STRING,
INTERNATIONALLOCATIONNUMBER1 TYPE STRING,
INTERNATIONALLOCATIONNUMBER2 TYPE STRING,
INTERNATIONALLOCATIONNUMBER3 TYPE STRING,
CITYCODE TYPE STRING,
COUNTY TYPE STRING,
CUSTOMERHASUNLOADINGPOINT TYPE STRING,
CUSTOMERWORKINGTIMECALENDAR TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
BPISEQUALIZATIONTAXSUBJECT TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
DELETIONINDICATOR TYPE STRING,
LANGUAGE TYPE STRING,
SALESISBLOCKEDFORCUSTOMER TYPE STRING,
PAYMENTREASON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBUPACUSTOMER_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_IBUPACUSTOMER_STR-MANDT sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMER sy-vline 
WA_IBUPACUSTOMER_STR-BUSINESSPARTNER sy-vline 
WA_IBUPACUSTOMER_STR-BUSINESSPARTNERUUID sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERACCOUNTGROUP sy-vline 
WA_IBUPACUSTOMER_STR-ALTERNATIVEPAYERACCOUNT sy-vline 
WA_IBUPACUSTOMER_STR-DATAMEDIUMEXCHANGEINDICATOR sy-vline 
WA_IBUPACUSTOMER_STR-SUPPLIER sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCLASSIFICATION sy-vline 
WA_IBUPACUSTOMER_STR-VATLIABILITY sy-vline 
WA_IBUPACUSTOMER_STR-POSTINGISBLOCKED sy-vline 
WA_IBUPACUSTOMER_STR-DELIVERYISBLOCKED sy-vline 
WA_IBUPACUSTOMER_STR-BILLINGISBLOCKEDFORCUSTOMER sy-vline 
WA_IBUPACUSTOMER_STR-ORDERISBLOCKEDFORCUSTOMER sy-vline 
WA_IBUPACUSTOMER_STR-ISNATURALPERSON sy-vline 
WA_IBUPACUSTOMER_STR-BUSINESSPARTNERGROUPING sy-vline 
WA_IBUPACUSTOMER_STR-AUTHORIZATIONGROUP sy-vline 
WA_IBUPACUSTOMER_STR-DELIVERYDATETYPERULE sy-vline 
WA_IBUPACUSTOMER_STR-ISACTIVEENTITY sy-vline 
WA_IBUPACUSTOMER_STR-EXPRESSTRAINSTATIONNAME sy-vline 
WA_IBUPACUSTOMER_STR-TRAINSTATIONNAME sy-vline 
WA_IBUPACUSTOMER_STR-CITYLOCATIONCOORDINATESCODE sy-vline 
WA_IBUPACUSTOMER_STR-PLANT sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCORPORATEGROUP sy-vline 
WA_IBUPACUSTOMER_STR-DATAEXCHANGEINSTRUCTIONKEY sy-vline 
WA_IBUPACUSTOMER_STR-INDUSTRYCODE1 sy-vline 
WA_IBUPACUSTOMER_STR-INDUSTRYCODE2 sy-vline 
WA_IBUPACUSTOMER_STR-INDUSTRYCODE3 sy-vline 
WA_IBUPACUSTOMER_STR-ISCOMPETITOR sy-vline 
WA_IBUPACUSTOMER_STR-ISSALESPARTNER sy-vline 
WA_IBUPACUSTOMER_STR-ISDEFAULTSOLDTOPARTY sy-vline 
WA_IBUPACUSTOMER_STR-ISCONSUMER sy-vline 
WA_IBUPACUSTOMER_STR-FISCALADDRESS sy-vline 
WA_IBUPACUSTOMER_STR-FREEDEFINEDATTRIBUTE03 sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCONDITIONGROUP1 sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCONDITIONGROUP2 sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCONDITIONGROUP3 sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCONDITIONGROUP4 sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERCONDITIONGROUP5 sy-vline 
WA_IBUPACUSTOMER_STR-ADDRESSID sy-vline 
WA_IBUPACUSTOMER_STR-INTERNATIONALLOCATIONNUMBER1 sy-vline 
WA_IBUPACUSTOMER_STR-INTERNATIONALLOCATIONNUMBER2 sy-vline 
WA_IBUPACUSTOMER_STR-INTERNATIONALLOCATIONNUMBER3 sy-vline 
WA_IBUPACUSTOMER_STR-CITYCODE sy-vline 
WA_IBUPACUSTOMER_STR-COUNTY sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERHASUNLOADINGPOINT sy-vline 
WA_IBUPACUSTOMER_STR-CUSTOMERWORKINGTIMECALENDAR sy-vline 
WA_IBUPACUSTOMER_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_IBUPACUSTOMER_STR-BPISEQUALIZATIONTAXSUBJECT sy-vline 
WA_IBUPACUSTOMER_STR-COUNTRY sy-vline 
WA_IBUPACUSTOMER_STR-REGION sy-vline 
WA_IBUPACUSTOMER_STR-DELETIONINDICATOR sy-vline 
WA_IBUPACUSTOMER_STR-LANGUAGE sy-vline 
WA_IBUPACUSTOMER_STR-SALESISBLOCKEDFORCUSTOMER sy-vline 
WA_IBUPACUSTOMER_STR-PAYMENTREASON sy-vline      INTO ld_text SEPARATED BY SPACE.

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