ABAP Select data from SAP table FAGL_BSBW_HISTRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_BSBW_HISTRY
*  INTO TABLE @DATA(IT_FAGL_BSBW_HISTRY2).
*--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_FAGL_BSBW_HISTRY INDEX 1 INTO DATA(WA_FAGL_BSBW_HISTRY2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_BSBW_HISTRY-CURTP, sy-vline,
  WA_FAGL_BSBW_HISTRY-BWBER, sy-vline,
  WA_FAGL_BSBW_HISTRY-METHD, sy-vline,
  WA_FAGL_BSBW_HISTRY-DATUM, sy-vline,
  WA_FAGL_BSBW_HISTRY-RUNID, sy-vline,
  WA_FAGL_BSBW_HISTRY-TIMESTAMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_BSBW_HISTRY 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_FAGL_BSBW_HISTRY 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_FAGL_BSBW_HISTRY INTO WA_FAGL_BSBW_HISTRY.


*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_FAGL_BSBW_HISTRY-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_BSBW_HISTRY-BELNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC152, internal->external for field BWSHB
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_BSBW_HISTRY-BWSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_BSBW_HISTRY-BWSHB.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field VALTRGTBA_ACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_BSBW_HISTRY-VALTRGTBA_ACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_BSBW_HISTRY-VALTRGTBA_ACCT.
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_FAGL_BSBW_HISTRY_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
CURTP TYPE STRING,
BWBER TYPE STRING,
METHD TYPE STRING,
DATUM TYPE STRING,
RUNID TYPE STRING,
TIMESTAMP TYPE STRING,
BWSHB TYPE STRING,
REVERSE_ID TYPE STRING,
FCV_STATUS TYPE STRING,
VALRUNKEY TYPE STRING,
VALTRGTPL_ACCT TYPE STRING,
VALTRGTPL_TYPE TYPE STRING,
RXDRUNKEY TYPE STRING,
RXDXKDFT TYPE STRING,
VALTRGTBA_ACCT TYPE STRING,
VALRUNKEY_NRNR TYPE STRING,
RXDRUNKEY_NRNR TYPE STRING,
_DATAAGING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_BSBW_HISTRY_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_FAGL_BSBW_HISTRY_STR-MANDT sy-vline 
WA_FAGL_BSBW_HISTRY_STR-BUKRS sy-vline 
WA_FAGL_BSBW_HISTRY_STR-BELNR sy-vline 
WA_FAGL_BSBW_HISTRY_STR-GJAHR sy-vline 
WA_FAGL_BSBW_HISTRY_STR-BUZEI sy-vline 
WA_FAGL_BSBW_HISTRY_STR-CURTP sy-vline 
WA_FAGL_BSBW_HISTRY_STR-BWBER sy-vline 
WA_FAGL_BSBW_HISTRY_STR-METHD sy-vline 
WA_FAGL_BSBW_HISTRY_STR-DATUM sy-vline 
WA_FAGL_BSBW_HISTRY_STR-RUNID sy-vline 
WA_FAGL_BSBW_HISTRY_STR-TIMESTAMP sy-vline 
WA_FAGL_BSBW_HISTRY_STR-BWSHB sy-vline 
WA_FAGL_BSBW_HISTRY_STR-REVERSE_ID sy-vline 
WA_FAGL_BSBW_HISTRY_STR-FCV_STATUS sy-vline 
WA_FAGL_BSBW_HISTRY_STR-VALRUNKEY sy-vline 
WA_FAGL_BSBW_HISTRY_STR-VALTRGTPL_ACCT sy-vline 
WA_FAGL_BSBW_HISTRY_STR-VALTRGTPL_TYPE sy-vline 
WA_FAGL_BSBW_HISTRY_STR-RXDRUNKEY sy-vline 
WA_FAGL_BSBW_HISTRY_STR-RXDXKDFT sy-vline 
WA_FAGL_BSBW_HISTRY_STR-VALTRGTBA_ACCT sy-vline 
WA_FAGL_BSBW_HISTRY_STR-VALRUNKEY_NRNR sy-vline 
WA_FAGL_BSBW_HISTRY_STR-RXDRUNKEY_NRNR sy-vline 
WA_FAGL_BSBW_HISTRY_STR-_DATAAGING sy-vline      INTO ld_text SEPARATED BY SPACE.

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