ABAP Select data from SAP table FOT_TDT_AUM_BSEG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FOT_TDT_AUM_BSEG
*  INTO TABLE @DATA(IT_FOT_TDT_AUM_BSEG2).
*--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_FOT_TDT_AUM_BSEG INDEX 1 INTO DATA(WA_FOT_TDT_AUM_BSEG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FOT_TDT_AUM_BSEG>-MANDT = 1.
<FOT_TDT_AUM_BSEG>-BUKRS = 1.
<FOT_TDT_AUM_BSEG>-BELNR = 1.
<FOT_TDT_AUM_BSEG>-GJAHR = 1.
<FOT_TDT_AUM_BSEG>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FOT_TDT_AUM_BSEG-MWSKZ, sy-vline,
  WA_FOT_TDT_AUM_BSEG-TXDAT, sy-vline,
  WA_FOT_TDT_AUM_BSEG-TXGRP, sy-vline,
  WA_FOT_TDT_AUM_BSEG-TAXPS, sy-vline,
  WA_FOT_TDT_AUM_BSEG-AWTYP, sy-vline,
  WA_FOT_TDT_AUM_BSEG-MWART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FOT_TDT_AUM_BSEG 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_FOT_TDT_AUM_BSEG 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_FOT_TDT_AUM_BSEG INTO WA_FOT_TDT_AUM_BSEG.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FOT_TDT_AUM_BSEG-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FOT_TDT_AUM_BSEG-GJAHR.
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_FOT_TDT_AUM_BSEG_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
MWSKZ TYPE STRING,
TXDAT TYPE STRING,
TXGRP TYPE STRING,
TAXPS TYPE STRING,
AWTYP TYPE STRING,
MWART TYPE STRING,
XAUTO TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FOT_TDT_AUM_BSEG_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_FOT_TDT_AUM_BSEG_STR-MANDT sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-BUKRS sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-BELNR sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-GJAHR sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-BUZEI sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-MWSKZ sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-TXDAT sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-TXGRP sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-TAXPS sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-AWTYP sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-MWART sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-XAUTO sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-BLDAT sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-BUDAT sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-CPUDT sy-vline 
WA_FOT_TDT_AUM_BSEG_STR-CPUTM sy-vline      INTO ld_text SEPARATED BY SPACE.

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