ABAP Select data from SAP table FIFAFAE_S_GL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIFAFAE_S_GL
*  INTO TABLE @DATA(IT_FIFAFAE_S_GL2).
*--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_FIFAFAE_S_GL INDEX 1 INTO DATA(WA_FIFAFAE_S_GL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIFAFAE_S_GL>-ITEM_LBL = 1.
<FIFAFAE_S_GL>-TRANSACTIONDATEL = 1.
<FIFAFAE_S_GL>-ACCOUNTID = 1.
<FIFAFAE_S_GL>-ACCOUNTNAME = 1.
<FIFAFAE_S_GL>-TRANSACTIONDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIFAFAE_S_GL-NAME, sy-vline,
  WA_FIFAFAE_S_GL-TRANSACTIONID, sy-vline,
  WA_FIFAFAE_S_GL-SOURCEDOCUMENTID, sy-vline,
  WA_FIFAFAE_S_GL-SOURCETYPE, sy-vline,
  WA_FIFAFAE_S_GL-DEBIT, sy-vline,
  WA_FIFAFAE_S_GL-CREDIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIFAFAE_S_GL 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_FIFAFAE_S_GL 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_FIFAFAE_S_GL INTO WA_FIFAFAE_S_GL.


*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 AU132, internal->external for field TOTALDEBIT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIFAFAE_S_GL-TOTALDEBIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIFAFAE_S_GL-TOTALDEBIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TOTALCREDIT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIFAFAE_S_GL-TOTALCREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIFAFAE_S_GL-TOTALCREDIT.
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_FIFAFAE_S_GL_STR, 
ITEM_LBL TYPE STRING,
TRANSACTIONDATEL TYPE STRING,
ACCOUNTID TYPE STRING,
ACCOUNTNAME TYPE STRING,
TRANSACTIONDESCRIPTION TYPE STRING,
NAME TYPE STRING,
TRANSACTIONID TYPE STRING,
SOURCEDOCUMENTID TYPE STRING,
SOURCETYPE TYPE STRING,
DEBIT TYPE STRING,
CREDIT TYPE STRING,
BALANCE TYPE STRING,
ITEM TYPE STRING,
FOOTER_LBL TYPE STRING,
TOTALDEBIT TYPE STRING,
TOTALCREDIT TYPE STRING,
TRANSACTIONCOUNTTOTAL TYPE STRING,
GLTCURRENCY TYPE STRING,
FOOTER TYPE STRING,
TOTALDEBIT TYPE STRING,
TOTALCREDIT TYPE STRING,
TRANSACTIONCOUNTTOTAL TYPE STRING,
GLTCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIFAFAE_S_GL_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_FIFAFAE_S_GL_STR-ITEM_LBL sy-vline 
WA_FIFAFAE_S_GL_STR-TRANSACTIONDATEL sy-vline 
WA_FIFAFAE_S_GL_STR-ACCOUNTID sy-vline 
WA_FIFAFAE_S_GL_STR-ACCOUNTNAME sy-vline 
WA_FIFAFAE_S_GL_STR-TRANSACTIONDESCRIPTION sy-vline 
WA_FIFAFAE_S_GL_STR-NAME sy-vline 
WA_FIFAFAE_S_GL_STR-TRANSACTIONID sy-vline 
WA_FIFAFAE_S_GL_STR-SOURCEDOCUMENTID sy-vline 
WA_FIFAFAE_S_GL_STR-SOURCETYPE sy-vline 
WA_FIFAFAE_S_GL_STR-DEBIT sy-vline 
WA_FIFAFAE_S_GL_STR-CREDIT sy-vline 
WA_FIFAFAE_S_GL_STR-BALANCE sy-vline 
WA_FIFAFAE_S_GL_STR-ITEM sy-vline 
WA_FIFAFAE_S_GL_STR-FOOTER_LBL sy-vline 
WA_FIFAFAE_S_GL_STR-TOTALDEBIT sy-vline 
WA_FIFAFAE_S_GL_STR-TOTALCREDIT sy-vline 
WA_FIFAFAE_S_GL_STR-TRANSACTIONCOUNTTOTAL sy-vline 
WA_FIFAFAE_S_GL_STR-GLTCURRENCY sy-vline 
WA_FIFAFAE_S_GL_STR-FOOTER sy-vline 
WA_FIFAFAE_S_GL_STR-TOTALDEBIT sy-vline 
WA_FIFAFAE_S_GL_STR-TOTALCREDIT sy-vline 
WA_FIFAFAE_S_GL_STR-TRANSACTIONCOUNTTOTAL sy-vline 
WA_FIFAFAE_S_GL_STR-GLTCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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