ABAP Select data from SAP table RFBILA_ALV_SETTINGS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFBILA_ALV_SETTINGS
*  INTO TABLE @DATA(IT_RFBILA_ALV_SETTINGS2).
*--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_RFBILA_ALV_SETTINGS INDEX 1 INTO DATA(WA_RFBILA_ALV_SETTINGS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFBILA_ALV_SETTINGS>-FS_VERSION = 1.
<RFBILA_ALV_SETTINGS>-FS_LANGUAGE = 1.
<RFBILA_ALV_SETTINGS>-ALTACCT = 1.
<RFBILA_ALV_SETTINGS>-COMPTYPE = 1.
<RFBILA_ALV_SETTINGS>-ZEROACCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFBILA_ALV_SETTINGS-CLASSIC, sy-vline,
  WA_RFBILA_ALV_SETTINGS-GRID, sy-vline,
  WA_RFBILA_ALV_SETTINGS-LIST, sy-vline,
  WA_RFBILA_ALV_SETTINGS-TREE, sy-vline,
  WA_RFBILA_ALV_SETTINGS-STRUCBLNCE, sy-vline,
  WA_RFBILA_ALV_SETTINGS-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFBILA_ALV_SETTINGS 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_RFBILA_ALV_SETTINGS 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_RFBILA_ALV_SETTINGS INTO WA_RFBILA_ALV_SETTINGS.


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

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

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

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

*Conversion exit GJAHR, internal->external for field CMP_YEAR_TO
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA_ALV_SETTINGS-CMP_YEAR_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA_ALV_SETTINGS-CMP_YEAR_TO.
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_RFBILA_ALV_SETTINGS_STR, 
FS_VERSION TYPE STRING,
FS_LANGUAGE TYPE STRING,
ALTACCT TYPE STRING,
COMPTYPE TYPE STRING,
ZEROACCT TYPE STRING,
CLASSIC TYPE STRING,
GRID TYPE STRING,
LIST TYPE STRING,
TREE TYPE STRING,
STRUCBLNCE TYPE STRING,
BUKRS TYPE STRING,
REPID TYPE STRING,
TITLE TYPE STRING,
ALLGLINE TYPE STRING,
PAGE_NO TYPE STRING,
GRID_VARI TYPE STRING,
TREE_VARI TYPE STRING,
LIST_VARI TYPE STRING,
TOTALS_LEVEL TYPE STRING,
REP_YEAR_FROM TYPE STRING,
REP_YEAR_TO TYPE STRING,
REP_PERIOD_FROM TYPE STRING,
REP_PERIOD_TO TYPE STRING,
CMP_YEAR_FROM TYPE STRING,
CMP_YEAR_TO TYPE STRING,
CMP_PERIOD_FROM TYPE STRING,
CMP_PERIOD_TO TYPE STRING,
OUTPUT_NONE TYPE STRING,
DOWNLOAD_CREATE TYPE STRING,
DOWNLOAD_PRES TYPE STRING,
DOWNLOAD_VARI TYPE STRING,
DOWNLOAD_FILENAME TYPE STRING,
LSTAT TYPE STRING,
CONS_EXTRACT TYPE STRING,
CONS_COMP_AGGR TYPE STRING,
CONS_REC_BCS TYPE STRING,
CONS_APPEND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFBILA_ALV_SETTINGS_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_RFBILA_ALV_SETTINGS_STR-FS_VERSION sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-FS_LANGUAGE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-ALTACCT sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-COMPTYPE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-ZEROACCT sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CLASSIC sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-GRID sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-LIST sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-TREE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-STRUCBLNCE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-BUKRS sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-REPID sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-TITLE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-ALLGLINE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-PAGE_NO sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-GRID_VARI sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-TREE_VARI sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-LIST_VARI sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-TOTALS_LEVEL sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-REP_YEAR_FROM sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-REP_YEAR_TO sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-REP_PERIOD_FROM sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-REP_PERIOD_TO sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CMP_YEAR_FROM sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CMP_YEAR_TO sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CMP_PERIOD_FROM sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CMP_PERIOD_TO sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-OUTPUT_NONE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-DOWNLOAD_CREATE sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-DOWNLOAD_PRES sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-DOWNLOAD_VARI sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-DOWNLOAD_FILENAME sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-LSTAT sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CONS_EXTRACT sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CONS_COMP_AGGR sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CONS_REC_BCS sy-vline 
WA_RFBILA_ALV_SETTINGS_STR-CONS_APPEND sy-vline      INTO ld_text SEPARATED BY SPACE.

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