ABAP Select data from SAP table PAPFLXBLAGING8 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PAPFLXBLAGING8 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 PAPFLXBLAGING8. 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 PAPFLXBLAGING8 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_PAPFLXBLAGING8 TYPE STANDARD TABLE OF PAPFLXBLAGING8,
      WA_PAPFLXBLAGING8 TYPE PAPFLXBLAGING8,
      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: <PAPFLXBLAGING8> TYPE PAPFLXBLAGING8.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PAPFLXBLAGING8.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PAPFLXBLAGING8
  INTO TABLE IT_PAPFLXBLAGING8.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAPFLXBLAGING8
*  INTO TABLE @DATA(IT_PAPFLXBLAGING82).
*--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_PAPFLXBLAGING8 INDEX 1 INTO DATA(WA_PAPFLXBLAGING82).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PAPFLXBLAGING8 ASSIGNING <PAPFLXBLAGING8>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAPFLXBLAGING8>-MANDT = 1.
<PAPFLXBLAGING8>-COMPANYCODE = 1.
<PAPFLXBLAGING8>-TRANSACTIONCURRENCY = 1.
<PAPFLXBLAGING8>-BUSINESSAREA = 1.
<PAPFLXBLAGING8>-RECONCILIATIONACCOUNT = 1.

ENDLOOP.

LOOP AT IT_PAPFLXBLAGING8 INTO WA_PAPFLXBLAGING8.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAPFLXBLAGING8-SPECIALGLCODE, sy-vline,
  WA_PAPFLXBLAGING8-SUPPLIER, sy-vline,
  WA_PAPFLXBLAGING8-PAYMENTMETHOD, sy-vline,
  WA_PAPFLXBLAGING8-PAYMENTTERMS, sy-vline,
  WA_PAPFLXBLAGING8-ACCOUNTINGDOCUMENTCATEGORY, sy-vline,
  WA_PAPFLXBLAGING8-AGINGGRIDCOLUMNSEQUENCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAPFLXBLAGING8 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_PAPFLXBLAGING8 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_PAPFLXBLAGING8 INTO WA_PAPFLXBLAGING8.


*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 RECONCILIATIONACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PAPFLXBLAGING8-RECONCILIATIONACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPFLXBLAGING8-RECONCILIATIONACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PAPFLXBLAGING8-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPFLXBLAGING8-SUPPLIER.
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_PAPFLXBLAGING8_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
BUSINESSAREA TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
SPECIALGLCODE TYPE STRING,
SUPPLIER TYPE STRING,
PAYMENTMETHOD TYPE STRING,
PAYMENTTERMS TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
AGINGGRIDCOLUMNSEQUENCE TYPE STRING,
AGINGGRIDTEXT TYPE STRING,
KEYDATE TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
AGINGGRIDMEASUREINDAYS TYPE STRING,
NUMBEROFAGINGGRIDCOLUMNS TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
COUNTRY TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAPFLXBLAGING8_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_PAPFLXBLAGING8_STR-MANDT sy-vline 
WA_PAPFLXBLAGING8_STR-COMPANYCODE sy-vline 
WA_PAPFLXBLAGING8_STR-TRANSACTIONCURRENCY sy-vline 
WA_PAPFLXBLAGING8_STR-BUSINESSAREA sy-vline 
WA_PAPFLXBLAGING8_STR-RECONCILIATIONACCOUNT sy-vline 
WA_PAPFLXBLAGING8_STR-SPECIALGLCODE sy-vline 
WA_PAPFLXBLAGING8_STR-SUPPLIER sy-vline 
WA_PAPFLXBLAGING8_STR-PAYMENTMETHOD sy-vline 
WA_PAPFLXBLAGING8_STR-PAYMENTTERMS sy-vline 
WA_PAPFLXBLAGING8_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_PAPFLXBLAGING8_STR-AGINGGRIDCOLUMNSEQUENCE sy-vline 
WA_PAPFLXBLAGING8_STR-AGINGGRIDTEXT sy-vline 
WA_PAPFLXBLAGING8_STR-KEYDATE sy-vline 
WA_PAPFLXBLAGING8_STR-DISPLAYCURRENCY sy-vline 
WA_PAPFLXBLAGING8_STR-AGINGGRIDMEASUREINDAYS sy-vline 
WA_PAPFLXBLAGING8_STR-NUMBEROFAGINGGRIDCOLUMNS sy-vline 
WA_PAPFLXBLAGING8_STR-COMPANYCODECURRENCY sy-vline 
WA_PAPFLXBLAGING8_STR-COUNTRY sy-vline 
WA_PAPFLXBLAGING8_STR-CHARTOFACCOUNTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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