ABAP Select data from SAP table ISAFTGLSUP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISAFTGLSUP
*  INTO TABLE @DATA(IT_ISAFTGLSUP2).
*--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_ISAFTGLSUP INDEX 1 INTO DATA(WA_ISAFTGLSUP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISAFTGLSUP>-MANDT = 1.
<ISAFTGLSUP>-SOURCELEDGER = 1.
<ISAFTGLSUP>-COMPANYCODE = 1.
<ISAFTGLSUP>-FISCALYEAR = 1.
<ISAFTGLSUP>-ACCOUNTINGDOCUMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISAFTGLSUP-LEDGERGLLINEITEM, sy-vline,
  WA_ISAFTGLSUP-LEDGER, sy-vline,
  WA_ISAFTGLSUP-CHARTOFACCOUNTS, sy-vline,
  WA_ISAFTGLSUP-GLACCOUNT, sy-vline,
  WA_ISAFTGLSUP-ACCOUNTINGDOCUMENTCATEGORY, sy-vline,
  WA_ISAFTGLSUP-ACCOUNTINGDOCUMENTITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISAFTGLSUP 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_ISAFTGLSUP 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_ISAFTGLSUP INTO WA_ISAFTGLSUP.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RECONCILIATIONACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISAFTGLSUP-RECONCILIATIONACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISAFTGLSUP-RECONCILIATIONACCOUNT.
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_ISAFTGLSUP_STR, 
MANDT TYPE STRING,
SOURCELEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
LEDGER TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
POSTINGDATE TYPE STRING,
SUPPLIER TYPE STRING,
ADDRESSID TYPE STRING,
VATREGISTRATION TYPE STRING,
COMPANYNAME TYPE STRING,
STREETNAME TYPE STRING,
STREETPREFIXNAME TYPE STRING,
ADDITIONALSTREETPREFIXNAME TYPE STRING,
STREETSUFFIXNAME TYPE STRING,
ADDITIONALSTREETSUFFIXNAME TYPE STRING,
HOUSENUMBER TYPE STRING,
CITYNAME TYPE STRING,
POSTALCODE TYPE STRING,
COUNTRY TYPE STRING,
SUPPLIERNAME TYPE STRING,
REGION TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISAFTGLSUP_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_ISAFTGLSUP_STR-MANDT sy-vline 
WA_ISAFTGLSUP_STR-SOURCELEDGER sy-vline 
WA_ISAFTGLSUP_STR-COMPANYCODE sy-vline 
WA_ISAFTGLSUP_STR-FISCALYEAR sy-vline 
WA_ISAFTGLSUP_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ISAFTGLSUP_STR-LEDGERGLLINEITEM sy-vline 
WA_ISAFTGLSUP_STR-LEDGER sy-vline 
WA_ISAFTGLSUP_STR-CHARTOFACCOUNTS sy-vline 
WA_ISAFTGLSUP_STR-GLACCOUNT sy-vline 
WA_ISAFTGLSUP_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_ISAFTGLSUP_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_ISAFTGLSUP_STR-POSTINGDATE sy-vline 
WA_ISAFTGLSUP_STR-SUPPLIER sy-vline 
WA_ISAFTGLSUP_STR-ADDRESSID sy-vline 
WA_ISAFTGLSUP_STR-VATREGISTRATION sy-vline 
WA_ISAFTGLSUP_STR-COMPANYNAME sy-vline 
WA_ISAFTGLSUP_STR-STREETNAME sy-vline 
WA_ISAFTGLSUP_STR-STREETPREFIXNAME sy-vline 
WA_ISAFTGLSUP_STR-ADDITIONALSTREETPREFIXNAME sy-vline 
WA_ISAFTGLSUP_STR-STREETSUFFIXNAME sy-vline 
WA_ISAFTGLSUP_STR-ADDITIONALSTREETSUFFIXNAME sy-vline 
WA_ISAFTGLSUP_STR-HOUSENUMBER sy-vline 
WA_ISAFTGLSUP_STR-CITYNAME sy-vline 
WA_ISAFTGLSUP_STR-POSTALCODE sy-vline 
WA_ISAFTGLSUP_STR-COUNTRY sy-vline 
WA_ISAFTGLSUP_STR-SUPPLIERNAME sy-vline 
WA_ISAFTGLSUP_STR-REGION sy-vline 
WA_ISAFTGLSUP_STR-RECONCILIATIONACCOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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