ABAP Select data from SAP table FIS_GL_ACCOUNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIS_GL_ACCOUNT
*  INTO TABLE @DATA(IT_FIS_GL_ACCOUNT2).
*--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_FIS_GL_ACCOUNT INDEX 1 INTO DATA(WA_FIS_GL_ACCOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIS_GL_ACCOUNT>-MANDT = 1.
<FIS_GL_ACCOUNT>-VBUND = 1.
<FIS_GL_ACCOUNT>-FKBER = 1.
<FIS_GL_ACCOUNT>-KTOPL = 1.
<FIS_GL_ACCOUNT>-KTPLT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIS_GL_ACCOUNT-KKTPL, sy-vline,
  WA_FIS_GL_ACCOUNT-XCOAASSGD, sy-vline,
  WA_FIS_GL_ACCOUNT-ACCGRPT, sy-vline,
  WA_FIS_GL_ACCOUNT-ERDAT, sy-vline,
  WA_FIS_GL_ACCOUNT-XLOEV, sy-vline,
  WA_FIS_GL_ACCOUNT-XSPEB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIS_GL_ACCOUNT 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_FIS_GL_ACCOUNT 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_FIS_GL_ACCOUNT INTO WA_FIS_GL_ACCOUNT.


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

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

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

*Conversion exit ISOLA, internal->external for field DSPRA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FIS_GL_ACCOUNT-DSPRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIS_GL_ACCOUNT-DSPRA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MUSTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIS_GL_ACCOUNT-MUSTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIS_GL_ACCOUNT-MUSTR.
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_FIS_GL_ACCOUNT_STR, 
MANDT TYPE STRING,
VBUND TYPE STRING,
FKBER TYPE STRING,
KTOPL TYPE STRING,
KTPLT TYPE STRING,
KKTPL TYPE STRING,
XCOAASSGD TYPE STRING,
ACCGRPT TYPE STRING,
ERDAT TYPE STRING,
XLOEV TYPE STRING,
XSPEB TYPE STRING,
XBILK TYPE STRING,
XSPEP TYPE STRING,
BILKT TYPE STRING,
XSPEA TYPE STRING,
KTOKS TYPE STRING,
SAKNR TYPE STRING,
DSPRA TYPE STRING,
FKBTX TYPE STRING,
COMPNAME TYPE STRING,
GLACCTSHORT TYPE STRING,
GLACCTLONG TYPE STRING,
MUSTR TYPE STRING,
GVTYP TYPE STRING,
ERNAM TYPE STRING,
XPLACCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIS_GL_ACCOUNT_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_FIS_GL_ACCOUNT_STR-MANDT sy-vline 
WA_FIS_GL_ACCOUNT_STR-VBUND sy-vline 
WA_FIS_GL_ACCOUNT_STR-FKBER sy-vline 
WA_FIS_GL_ACCOUNT_STR-KTOPL sy-vline 
WA_FIS_GL_ACCOUNT_STR-KTPLT sy-vline 
WA_FIS_GL_ACCOUNT_STR-KKTPL sy-vline 
WA_FIS_GL_ACCOUNT_STR-XCOAASSGD sy-vline 
WA_FIS_GL_ACCOUNT_STR-ACCGRPT sy-vline 
WA_FIS_GL_ACCOUNT_STR-ERDAT sy-vline 
WA_FIS_GL_ACCOUNT_STR-XLOEV sy-vline 
WA_FIS_GL_ACCOUNT_STR-XSPEB sy-vline 
WA_FIS_GL_ACCOUNT_STR-XBILK sy-vline 
WA_FIS_GL_ACCOUNT_STR-XSPEP sy-vline 
WA_FIS_GL_ACCOUNT_STR-BILKT sy-vline 
WA_FIS_GL_ACCOUNT_STR-XSPEA sy-vline 
WA_FIS_GL_ACCOUNT_STR-KTOKS sy-vline 
WA_FIS_GL_ACCOUNT_STR-SAKNR sy-vline 
WA_FIS_GL_ACCOUNT_STR-DSPRA sy-vline 
WA_FIS_GL_ACCOUNT_STR-FKBTX sy-vline 
WA_FIS_GL_ACCOUNT_STR-COMPNAME sy-vline 
WA_FIS_GL_ACCOUNT_STR-GLACCTSHORT sy-vline 
WA_FIS_GL_ACCOUNT_STR-GLACCTLONG sy-vline 
WA_FIS_GL_ACCOUNT_STR-MUSTR sy-vline 
WA_FIS_GL_ACCOUNT_STR-GVTYP sy-vline 
WA_FIS_GL_ACCOUNT_STR-ERNAM sy-vline 
WA_FIS_GL_ACCOUNT_STR-XPLACCT sy-vline      INTO ld_text SEPARATED BY SPACE.

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