ABAP Select data from SAP table CSAFTNOGLSUPPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSAFTNOGLSUPPL
*  INTO TABLE @DATA(IT_CSAFTNOGLSUPPL2).
*--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_CSAFTNOGLSUPPL INDEX 1 INTO DATA(WA_CSAFTNOGLSUPPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSAFTNOGLSUPPL>-MANDT = 1.
<CSAFTNOGLSUPPL>-COMPANYCODE = 1.
<CSAFTNOGLSUPPL>-CREDITOR = 1.
<CSAFTNOGLSUPPL>-SUPPLIER = 1.
<CSAFTNOGLSUPPL>-VATREGISTRATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSAFTNOGLSUPPL-SUPPLIERVATREGISTRATION, sy-vline,
  WA_CSAFTNOGLSUPPL-GLACCOUNT, sy-vline,
  WA_CSAFTNOGLSUPPL-COMPANYNAME, sy-vline,
  WA_CSAFTNOGLSUPPL-CITYNAME, sy-vline,
  WA_CSAFTNOGLSUPPL-STREETNAME, sy-vline,
  WA_CSAFTNOGLSUPPL-HOUSENUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSAFTNOGLSUPPL 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_CSAFTNOGLSUPPL 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_CSAFTNOGLSUPPL INTO WA_CSAFTNOGLSUPPL.


*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 CREDITOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSAFTNOGLSUPPL-CREDITOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSAFTNOGLSUPPL-CREDITOR.
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_CSAFTNOGLSUPPL_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
CREDITOR TYPE STRING,
SUPPLIER TYPE STRING,
VATREGISTRATION TYPE STRING,
SUPPLIERVATREGISTRATION TYPE STRING,
GLACCOUNT TYPE STRING,
COMPANYNAME TYPE STRING,
CITYNAME TYPE STRING,
STREETNAME TYPE STRING,
HOUSENUMBER TYPE STRING,
POSTALCODE TYPE STRING,
ADDRESSTYPEDESC TYPE STRING,
REGION TYPE STRING,
COUNTRY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
DEBITSTARTINGBALAMTINCCCRCY TYPE STRING,
CREDITSTARTINGBALAMTINCCCRCY TYPE STRING,
DEBITENDINGBALAMTINCCCRCY TYPE STRING,
CREDITENDINGBALAMTINCCCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSAFTNOGLSUPPL_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_CSAFTNOGLSUPPL_STR-MANDT sy-vline 
WA_CSAFTNOGLSUPPL_STR-COMPANYCODE sy-vline 
WA_CSAFTNOGLSUPPL_STR-CREDITOR sy-vline 
WA_CSAFTNOGLSUPPL_STR-SUPPLIER sy-vline 
WA_CSAFTNOGLSUPPL_STR-VATREGISTRATION sy-vline 
WA_CSAFTNOGLSUPPL_STR-SUPPLIERVATREGISTRATION sy-vline 
WA_CSAFTNOGLSUPPL_STR-GLACCOUNT sy-vline 
WA_CSAFTNOGLSUPPL_STR-COMPANYNAME sy-vline 
WA_CSAFTNOGLSUPPL_STR-CITYNAME sy-vline 
WA_CSAFTNOGLSUPPL_STR-STREETNAME sy-vline 
WA_CSAFTNOGLSUPPL_STR-HOUSENUMBER sy-vline 
WA_CSAFTNOGLSUPPL_STR-POSTALCODE sy-vline 
WA_CSAFTNOGLSUPPL_STR-ADDRESSTYPEDESC sy-vline 
WA_CSAFTNOGLSUPPL_STR-REGION sy-vline 
WA_CSAFTNOGLSUPPL_STR-COUNTRY sy-vline 
WA_CSAFTNOGLSUPPL_STR-COMPANYCODECURRENCY sy-vline 
WA_CSAFTNOGLSUPPL_STR-DEBITSTARTINGBALAMTINCCCRCY sy-vline 
WA_CSAFTNOGLSUPPL_STR-CREDITSTARTINGBALAMTINCCCRCY sy-vline 
WA_CSAFTNOGLSUPPL_STR-DEBITENDINGBALAMTINCCCRCY sy-vline 
WA_CSAFTNOGLSUPPL_STR-CREDITENDINGBALAMTINCCCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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