ABAP Select data from SAP table RELUBIEXTPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RELUBIEXTPL
*  INTO TABLE @DATA(IT_RELUBIEXTPL2).
*--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_RELUBIEXTPL INDEX 1 INTO DATA(WA_RELUBIEXTPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RELUBIEXTPL>-BIBUKRS = 1.
<RELUBIEXTPL>-DELIMKE01 = 1.
<RELUBIEXTPL>-BIRECNNR = 1.
<RELUBIEXTPL>-DELIMKE02 = 1.
<RELUBIEXTPL>-BIRECORDTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RELUBIEXTPL-DELIMKE03, sy-vline,
  WA_RELUBIEXTPL-INTRENOAO, sy-vline,
  WA_RELUBIEXTPL-DELIMPL01, sy-vline,
  WA_RELUBIEXTPL-LAND1, sy-vline,
  WA_RELUBIEXTPL-DELIMPL02, sy-vline,
  WA_RELUBIEXTPL-BUNDESLAND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RELUBIEXTPL 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_RELUBIEXTPL 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_RELUBIEXTPL INTO WA_RELUBIEXTPL.


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

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

*Conversion exit CUNIT, internal->external for field KATFEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RELUBIEXTPL-KATFEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELUBIEXTPL-KATFEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BIFEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RELUBIEXTPL-BIFEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELUBIEXTPL-BIFEINS.
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_RELUBIEXTPL_STR, 
BIBUKRS TYPE STRING,
DELIMKE01 TYPE STRING,
BIRECNNR TYPE STRING,
DELIMKE02 TYPE STRING,
BIRECORDTYPE TYPE STRING,
DELIMKE03 TYPE STRING,
INTRENOAO TYPE STRING,
DELIMPL01 TYPE STRING,
LAND1 TYPE STRING,
DELIMPL02 TYPE STRING,
BUNDESLAND TYPE STRING,
DELIMPL03 TYPE STRING,
BEZEI TYPE STRING,
DELIMPL04 TYPE STRING,
GEMARKUNG TYPE STRING,
DELIMPL05 TYPE STRING,
XGEMARK TYPE STRING,
DELIMPL06 TYPE STRING,
FLUR TYPE STRING,
DELIMPL07 TYPE STRING,
FLURSTUECK TYPE STRING,
DELIMPL08 TYPE STRING,
KREIS TYPE STRING,
DELIMPL09 TYPE STRING,
XKREIS TYPE STRING,
DELIMPL10 TYPE STRING,
GEMEINDE TYPE STRING,
DELIMPL11 TYPE STRING,
XGEMEINDE TYPE STRING,
DELIMPL12 TYPE STRING,
REGBEZIRK TYPE STRING,
DELIMPL13 TYPE STRING,
XMADMDIST TYPE STRING,
DELIMPL14 TYPE STRING,
STADTBEZIRK TYPE STRING,
DELIMPL15 TYPE STRING,
XMCITDIST TYPE STRING,
DELIMPL16 TYPE STRING,
STADTTEIL TYPE STRING,
DELIMPL17 TYPE STRING,
XMCITSEC TYPE STRING,
DELIMPL18 TYPE STRING,
KATAREAC TYPE STRING,
DELIMPL19 TYPE STRING,
KATFEINS TYPE STRING,
DELIMPL20 TYPE STRING,
BIAREAC TYPE STRING,
DELIMPL21 TYPE STRING,
BIFEINS TYPE STRING,
DELIMPL22 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RELUBIEXTPL_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_RELUBIEXTPL_STR-BIBUKRS sy-vline 
WA_RELUBIEXTPL_STR-DELIMKE01 sy-vline 
WA_RELUBIEXTPL_STR-BIRECNNR sy-vline 
WA_RELUBIEXTPL_STR-DELIMKE02 sy-vline 
WA_RELUBIEXTPL_STR-BIRECORDTYPE sy-vline 
WA_RELUBIEXTPL_STR-DELIMKE03 sy-vline 
WA_RELUBIEXTPL_STR-INTRENOAO sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL01 sy-vline 
WA_RELUBIEXTPL_STR-LAND1 sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL02 sy-vline 
WA_RELUBIEXTPL_STR-BUNDESLAND sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL03 sy-vline 
WA_RELUBIEXTPL_STR-BEZEI sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL04 sy-vline 
WA_RELUBIEXTPL_STR-GEMARKUNG sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL05 sy-vline 
WA_RELUBIEXTPL_STR-XGEMARK sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL06 sy-vline 
WA_RELUBIEXTPL_STR-FLUR sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL07 sy-vline 
WA_RELUBIEXTPL_STR-FLURSTUECK sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL08 sy-vline 
WA_RELUBIEXTPL_STR-KREIS sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL09 sy-vline 
WA_RELUBIEXTPL_STR-XKREIS sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL10 sy-vline 
WA_RELUBIEXTPL_STR-GEMEINDE sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL11 sy-vline 
WA_RELUBIEXTPL_STR-XGEMEINDE sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL12 sy-vline 
WA_RELUBIEXTPL_STR-REGBEZIRK sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL13 sy-vline 
WA_RELUBIEXTPL_STR-XMADMDIST sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL14 sy-vline 
WA_RELUBIEXTPL_STR-STADTBEZIRK sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL15 sy-vline 
WA_RELUBIEXTPL_STR-XMCITDIST sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL16 sy-vline 
WA_RELUBIEXTPL_STR-STADTTEIL sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL17 sy-vline 
WA_RELUBIEXTPL_STR-XMCITSEC sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL18 sy-vline 
WA_RELUBIEXTPL_STR-KATAREAC sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL19 sy-vline 
WA_RELUBIEXTPL_STR-KATFEINS sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL20 sy-vline 
WA_RELUBIEXTPL_STR-BIAREAC sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL21 sy-vline 
WA_RELUBIEXTPL_STR-BIFEINS sy-vline 
WA_RELUBIEXTPL_STR-DELIMPL22 sy-vline      INTO ld_text SEPARATED BY SPACE.

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