ABAP Select data from SAP table ASUPPCOMPANY into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ASUPPCOMPANY 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 ASUPPCOMPANY. 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 ASUPPCOMPANY 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_ASUPPCOMPANY TYPE STANDARD TABLE OF ASUPPCOMPANY,
      WA_ASUPPCOMPANY TYPE ASUPPCOMPANY,
      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: <ASUPPCOMPANY> TYPE ASUPPCOMPANY.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ASUPPCOMPANY
*  INTO TABLE @DATA(IT_ASUPPCOMPANY2).
*--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_ASUPPCOMPANY INDEX 1 INTO DATA(WA_ASUPPCOMPANY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ASUPPCOMPANY>-MANDT = 1.
<ASUPPCOMPANY>-SUPPLIER = 1.
<ASUPPCOMPANY>-COMPANYCODE = 1.
<ASUPPCOMPANY>-AUTHORIZATIONGROUP = 1.
<ASUPPCOMPANY>-COMPANYCODENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ASUPPCOMPANY-PAYMENTBLOCKINGREASON, sy-vline,
  WA_ASUPPCOMPANY-SUPPLIERISBLOCKEDFORPOSTING, sy-vline,
  WA_ASUPPCOMPANY-ACCOUNTINGCLERK, sy-vline,
  WA_ASUPPCOMPANY-ACCOUNTINGCLERKFAXNUMBER, sy-vline,
  WA_ASUPPCOMPANY-ACCOUNTINGCLERKPHONENUMBER, sy-vline,
  WA_ASUPPCOMPANY-SUPPLIERCLERK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ASUPPCOMPANY 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_ASUPPCOMPANY 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_ASUPPCOMPANY INTO WA_ASUPPCOMPANY.


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

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

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

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

*Conversion exit ALPHA, internal->external for field CASHPLANNINGGROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ASUPPCOMPANY-CASHPLANNINGGROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASUPPCOMPANY-CASHPLANNINGGROUP.
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_ASUPPCOMPANY_STR, 
MANDT TYPE STRING,
SUPPLIER TYPE STRING,
COMPANYCODE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
COMPANYCODENAME TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
SUPPLIERISBLOCKEDFORPOSTING TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
ACCOUNTINGCLERKFAXNUMBER TYPE STRING,
ACCOUNTINGCLERKPHONENUMBER TYPE STRING,
SUPPLIERCLERK TYPE STRING,
SUPPLIERCLERKURL TYPE STRING,
PAYMENTMETHODSLIST TYPE STRING,
PAYMENTTERMS TYPE STRING,
CLEARCUSTOMERSUPPLIER TYPE STRING,
ISTOBELOCALLYPROCESSED TYPE STRING,
ITEMISTOBEPAIDSEPARATELY TYPE STRING,
PAYMENTISTOBESENTBYEDI TYPE STRING,
HOUSEBANK TYPE STRING,
CHECKPAIDDURATIONINDAYS TYPE STRING,
CURRENCY TYPE STRING,
BILLOFEXCHLMTAMTINCOCODECRCY TYPE STRING,
SUPPLIERCLERKIDBYSUPPLIER TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
INTERESTCALCULATIONCODE TYPE STRING,
INTERESTCALCULATIONDATE TYPE STRING,
INTRSTCALCFREQUENCYINMONTHS TYPE STRING,
SUPPLIERHEADOFFICE TYPE STRING,
ALTERNATIVEPAYEE TYPE STRING,
LAYOUTSORTINGRULE TYPE STRING,
APARTOLERANCEGROUP TYPE STRING,
SUPPLIERCERTIFICATIONDATE TYPE STRING,
SUPPLIERACCOUNTNOTE TYPE STRING,
WITHHOLDINGTAXCOUNTRY TYPE STRING,
DELETIONINDICATOR TYPE STRING,
CASHPLANNINGGROUP TYPE STRING,
ISTOBECHECKEDFORDUPLICATES TYPE STRING,
MINORITYGROUP TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ASUPPCOMPANY_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_ASUPPCOMPANY_STR-MANDT sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIER sy-vline 
WA_ASUPPCOMPANY_STR-COMPANYCODE sy-vline 
WA_ASUPPCOMPANY_STR-AUTHORIZATIONGROUP sy-vline 
WA_ASUPPCOMPANY_STR-COMPANYCODENAME sy-vline 
WA_ASUPPCOMPANY_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERISBLOCKEDFORPOSTING sy-vline 
WA_ASUPPCOMPANY_STR-ACCOUNTINGCLERK sy-vline 
WA_ASUPPCOMPANY_STR-ACCOUNTINGCLERKFAXNUMBER sy-vline 
WA_ASUPPCOMPANY_STR-ACCOUNTINGCLERKPHONENUMBER sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERCLERK sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERCLERKURL sy-vline 
WA_ASUPPCOMPANY_STR-PAYMENTMETHODSLIST sy-vline 
WA_ASUPPCOMPANY_STR-PAYMENTTERMS sy-vline 
WA_ASUPPCOMPANY_STR-CLEARCUSTOMERSUPPLIER sy-vline 
WA_ASUPPCOMPANY_STR-ISTOBELOCALLYPROCESSED sy-vline 
WA_ASUPPCOMPANY_STR-ITEMISTOBEPAIDSEPARATELY sy-vline 
WA_ASUPPCOMPANY_STR-PAYMENTISTOBESENTBYEDI sy-vline 
WA_ASUPPCOMPANY_STR-HOUSEBANK sy-vline 
WA_ASUPPCOMPANY_STR-CHECKPAIDDURATIONINDAYS sy-vline 
WA_ASUPPCOMPANY_STR-CURRENCY sy-vline 
WA_ASUPPCOMPANY_STR-BILLOFEXCHLMTAMTINCOCODECRCY sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERCLERKIDBYSUPPLIER sy-vline 
WA_ASUPPCOMPANY_STR-RECONCILIATIONACCOUNT sy-vline 
WA_ASUPPCOMPANY_STR-INTERESTCALCULATIONCODE sy-vline 
WA_ASUPPCOMPANY_STR-INTERESTCALCULATIONDATE sy-vline 
WA_ASUPPCOMPANY_STR-INTRSTCALCFREQUENCYINMONTHS sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERHEADOFFICE sy-vline 
WA_ASUPPCOMPANY_STR-ALTERNATIVEPAYEE sy-vline 
WA_ASUPPCOMPANY_STR-LAYOUTSORTINGRULE sy-vline 
WA_ASUPPCOMPANY_STR-APARTOLERANCEGROUP sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERCERTIFICATIONDATE sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERACCOUNTNOTE sy-vline 
WA_ASUPPCOMPANY_STR-WITHHOLDINGTAXCOUNTRY sy-vline 
WA_ASUPPCOMPANY_STR-DELETIONINDICATOR sy-vline 
WA_ASUPPCOMPANY_STR-CASHPLANNINGGROUP sy-vline 
WA_ASUPPCOMPANY_STR-ISTOBECHECKEDFORDUPLICATES sy-vline 
WA_ASUPPCOMPANY_STR-MINORITYGROUP sy-vline 
WA_ASUPPCOMPANY_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_ASUPPCOMPANY_STR-ISBUSINESSPURPOSECOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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