ABAP Select data from SAP table CAPFLXBLAGING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAPFLXBLAGING
*  INTO TABLE @DATA(IT_CAPFLXBLAGING2).
*--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_CAPFLXBLAGING INDEX 1 INTO DATA(WA_CAPFLXBLAGING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAPFLXBLAGING>-MANDT = 1.
<CAPFLXBLAGING>-COMPANYCODE = 1.
<CAPFLXBLAGING>-TRANSACTIONCURRENCY = 1.
<CAPFLXBLAGING>-GLACCOUNT = 1.
<CAPFLXBLAGING>-SUPPLIER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAPFLXBLAGING-ACCOUNTINGDOCUMENTCATEGORY, sy-vline,
  WA_CAPFLXBLAGING-AGINGGRIDTEXT, sy-vline,
  WA_CAPFLXBLAGING-SPECIALGLCODE, sy-vline,
  WA_CAPFLXBLAGING-EXCHANGERATETYPE, sy-vline,
  WA_CAPFLXBLAGING-COMPANYCODENAME, sy-vline,
  WA_CAPFLXBLAGING-GLACCOUNTLONGNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAPFLXBLAGING 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_CAPFLXBLAGING 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_CAPFLXBLAGING INTO WA_CAPFLXBLAGING.


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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CAPFLXBLAGING-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPFLXBLAGING-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_CAPFLXBLAGING_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
GLACCOUNT TYPE STRING,
SUPPLIER TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
AGINGGRIDTEXT TYPE STRING,
SPECIALGLCODE TYPE STRING,
EXCHANGERATETYPE TYPE STRING,
COMPANYCODENAME TYPE STRING,
GLACCOUNTLONGNAME TYPE STRING,
SUPPLIERNAME TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORYNAME TYPE STRING,
SPECIALGLCODENAME TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
CHARTOFACCOUNTSNAME TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
SUPPLIERACCOUNTGROUPNAME TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
AMOUNTINDISPLAYCURRENCY_E TYPE STRING,
TOTALNOTOVRDAMTINDSPCRCY TYPE STRING,
TOTALOVERDUEAMTINDSPCRCY_E TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAPFLXBLAGING_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_CAPFLXBLAGING_STR-MANDT sy-vline 
WA_CAPFLXBLAGING_STR-COMPANYCODE sy-vline 
WA_CAPFLXBLAGING_STR-TRANSACTIONCURRENCY sy-vline 
WA_CAPFLXBLAGING_STR-GLACCOUNT sy-vline 
WA_CAPFLXBLAGING_STR-SUPPLIER sy-vline 
WA_CAPFLXBLAGING_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_CAPFLXBLAGING_STR-AGINGGRIDTEXT sy-vline 
WA_CAPFLXBLAGING_STR-SPECIALGLCODE sy-vline 
WA_CAPFLXBLAGING_STR-EXCHANGERATETYPE sy-vline 
WA_CAPFLXBLAGING_STR-COMPANYCODENAME sy-vline 
WA_CAPFLXBLAGING_STR-GLACCOUNTLONGNAME sy-vline 
WA_CAPFLXBLAGING_STR-SUPPLIERNAME sy-vline 
WA_CAPFLXBLAGING_STR-ACCOUNTINGDOCUMENTCATEGORYNAME sy-vline 
WA_CAPFLXBLAGING_STR-SPECIALGLCODENAME sy-vline 
WA_CAPFLXBLAGING_STR-CHARTOFACCOUNTS sy-vline 
WA_CAPFLXBLAGING_STR-CHARTOFACCOUNTSNAME sy-vline 
WA_CAPFLXBLAGING_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_CAPFLXBLAGING_STR-SUPPLIERACCOUNTGROUPNAME sy-vline 
WA_CAPFLXBLAGING_STR-DISPLAYCURRENCY sy-vline 
WA_CAPFLXBLAGING_STR-AMOUNTINDISPLAYCURRENCY_E sy-vline 
WA_CAPFLXBLAGING_STR-TOTALNOTOVRDAMTINDSPCRCY sy-vline 
WA_CAPFLXBLAGING_STR-TOTALOVERDUEAMTINDSPCRCY_E sy-vline      INTO ld_text SEPARATED BY SPACE.

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