ABAP Select data from SAP table CNLSAFTSUBLDL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNLSAFTSUBLDL
*  INTO TABLE @DATA(IT_CNLSAFTSUBLDL2).
*--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_CNLSAFTSUBLDL INDEX 1 INTO DATA(WA_CNLSAFTSUBLDL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNLSAFTSUBLDL>-MANDT = 1.
<CNLSAFTSUBLDL>-LEDGER = 1.
<CNLSAFTSUBLDL>-COMPANYCODE = 1.
<CNLSAFTSUBLDL>-FISCALYEAR = 1.
<CNLSAFTSUBLDL>-SUBLEDGERTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNLSAFTSUBLDL-ACCOUNTINGDOCUMENT, sy-vline,
  WA_CNLSAFTSUBLDL-LEDGERGLLINEITEM, sy-vline,
  WA_CNLSAFTSUBLDL-POSTINGDATE, sy-vline,
  WA_CNLSAFTSUBLDL-SUBLEDGERDESCRIPTION, sy-vline,
  WA_CNLSAFTSUBLDL-CHARTOFACCOUNTS, sy-vline,
  WA_CNLSAFTSUBLDL-GLACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNLSAFTSUBLDL 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_CNLSAFTSUBLDL 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_CNLSAFTSUBLDL INTO WA_CNLSAFTSUBLDL.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CNLSAFTSUBLDL-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNLSAFTSUBLDL-BASEUNIT.
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_CNLSAFTSUBLDL_STR, 
MANDT TYPE STRING,
LEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
SUBLEDGERTYPE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
POSTINGDATE TYPE STRING,
SUBLEDGERDESCRIPTION TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
DOCUMENTTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
DEBITCREDITCODE TYPE STRING,
INVOICEREFERENCE TYPE STRING,
NETDUEDATE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
BASEUNIT TYPE STRING,
QUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNLSAFTSUBLDL_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_CNLSAFTSUBLDL_STR-MANDT sy-vline 
WA_CNLSAFTSUBLDL_STR-LEDGER sy-vline 
WA_CNLSAFTSUBLDL_STR-COMPANYCODE sy-vline 
WA_CNLSAFTSUBLDL_STR-FISCALYEAR sy-vline 
WA_CNLSAFTSUBLDL_STR-SUBLEDGERTYPE sy-vline 
WA_CNLSAFTSUBLDL_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CNLSAFTSUBLDL_STR-LEDGERGLLINEITEM sy-vline 
WA_CNLSAFTSUBLDL_STR-POSTINGDATE sy-vline 
WA_CNLSAFTSUBLDL_STR-SUBLEDGERDESCRIPTION sy-vline 
WA_CNLSAFTSUBLDL_STR-CHARTOFACCOUNTS sy-vline 
WA_CNLSAFTSUBLDL_STR-GLACCOUNT sy-vline 
WA_CNLSAFTSUBLDL_STR-BUSINESSPARTNER sy-vline 
WA_CNLSAFTSUBLDL_STR-DOCUMENTTYPE sy-vline 
WA_CNLSAFTSUBLDL_STR-COMPANYCODECURRENCY sy-vline 
WA_CNLSAFTSUBLDL_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CNLSAFTSUBLDL_STR-DEBITCREDITCODE sy-vline 
WA_CNLSAFTSUBLDL_STR-INVOICEREFERENCE sy-vline 
WA_CNLSAFTSUBLDL_STR-NETDUEDATE sy-vline 
WA_CNLSAFTSUBLDL_STR-CONTROLLINGAREA sy-vline 
WA_CNLSAFTSUBLDL_STR-COSTCENTER sy-vline 
WA_CNLSAFTSUBLDL_STR-BASEUNIT sy-vline 
WA_CNLSAFTSUBLDL_STR-QUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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