ABAP Select data from SAP table FAGL_S_RFINDEX_DOC_LIST2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAGL_S_RFINDEX_DOC_LIST2 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_S_RFINDEX_DOC_LIST2. 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_S_RFINDEX_DOC_LIST2 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_S_RFINDEX_DOC_LIST2 TYPE STANDARD TABLE OF FAGL_S_RFINDEX_DOC_LIST2,
      WA_FAGL_S_RFINDEX_DOC_LIST2 TYPE FAGL_S_RFINDEX_DOC_LIST2,
      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_S_RFINDEX_DOC_LIST2> TYPE FAGL_S_RFINDEX_DOC_LIST2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FAGL_S_RFINDEX_DOC_LIST2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FAGL_S_RFINDEX_DOC_LIST2
  INTO TABLE IT_FAGL_S_RFINDEX_DOC_LIST2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_S_RFINDEX_DOC_LIST2
*  INTO TABLE @DATA(IT_FAGL_S_RFINDEX_DOC_LIST22).
*--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_S_RFINDEX_DOC_LIST2 INDEX 1 INTO DATA(WA_FAGL_S_RFINDEX_DOC_LIST22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FAGL_S_RFINDEX_DOC_LIST2 ASSIGNING <FAGL_S_RFINDEX_DOC_LIST2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_S_RFINDEX_DOC_LIST2>-BUKRS = 1.
<FAGL_S_RFINDEX_DOC_LIST2>-B_TBL = 1.
<FAGL_S_RFINDEX_DOC_LIST2>-LEV = 1.
<FAGL_S_RFINDEX_DOC_LIST2>-HKONT = 1.
<FAGL_S_RFINDEX_DOC_LIST2>-RLDNR = 1.

ENDLOOP.

LOOP AT IT_FAGL_S_RFINDEX_DOC_LIST2 INTO WA_FAGL_S_RFINDEX_DOC_LIST2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_S_RFINDEX_DOC_LIST2-GJAHR, sy-vline,
  WA_FAGL_S_RFINDEX_DOC_LIST2-SHBKZ, sy-vline,
  WA_FAGL_S_RFINDEX_DOC_LIST2-GSBER, sy-vline,
  WA_FAGL_S_RFINDEX_DOC_LIST2-PSWSL, sy-vline,
  WA_FAGL_S_RFINDEX_DOC_LIST2-FLD, sy-vline,
  WA_FAGL_S_RFINDEX_DOC_LIST2-DOCAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_S_RFINDEX_DOC_LIST2 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_S_RFINDEX_DOC_LIST2 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_S_RFINDEX_DOC_LIST2 INTO WA_FAGL_S_RFINDEX_DOC_LIST2.


*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 HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_RFINDEX_DOC_LIST2-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_RFINDEX_DOC_LIST2-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_RFINDEX_DOC_LIST2-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_RFINDEX_DOC_LIST2-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_RFINDEX_DOC_LIST2-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_RFINDEX_DOC_LIST2-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_FAGL_S_RFINDEX_DOC_LIST2_STR, 
BUKRS TYPE STRING,
B_TBL TYPE STRING,
LEV TYPE STRING,
HKONT TYPE STRING,
RLDNR TYPE STRING,
GJAHR TYPE STRING,
SHBKZ TYPE STRING,
GSBER TYPE STRING,
PSWSL TYPE STRING,
FLD TYPE STRING,
DOCAMT TYPE STRING,
WAERS_DOC TYPE STRING,
TBLAMT TYPE STRING,
WAERS_TBL TYPE STRING,
DIFAMT TYPE STRING,
WAERS_DIF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_S_RFINDEX_DOC_LIST2_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_S_RFINDEX_DOC_LIST2_STR-BUKRS sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-B_TBL sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-LEV sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-HKONT sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-RLDNR sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-GJAHR sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-SHBKZ sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-GSBER sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-PSWSL sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-FLD sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-DOCAMT sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-WAERS_DOC sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-TBLAMT sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-WAERS_TBL sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-DIFAMT sy-vline 
WA_FAGL_S_RFINDEX_DOC_LIST2_STR-WAERS_DIF sy-vline      INTO ld_text SEPARATED BY SPACE.

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