ABAP Select data from SAP table RFBILA00N_EXT_SEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RFBILA00N_EXT_SEL 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 RFBILA00N_EXT_SEL. 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 RFBILA00N_EXT_SEL 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_RFBILA00N_EXT_SEL TYPE STANDARD TABLE OF RFBILA00N_EXT_SEL,
      WA_RFBILA00N_EXT_SEL TYPE RFBILA00N_EXT_SEL,
      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: <RFBILA00N_EXT_SEL> TYPE RFBILA00N_EXT_SEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RFBILA00N_EXT_SEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RFBILA00N_EXT_SEL
  INTO TABLE IT_RFBILA00N_EXT_SEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFBILA00N_EXT_SEL
*  INTO TABLE @DATA(IT_RFBILA00N_EXT_SEL2).
*--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_RFBILA00N_EXT_SEL INDEX 1 INTO DATA(WA_RFBILA00N_EXT_SEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RFBILA00N_EXT_SEL ASSIGNING <RFBILA00N_EXT_SEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFBILA00N_EXT_SEL>-BELNR = 1.
<RFBILA00N_EXT_SEL>-RYEAR = 1.
<RFBILA00N_EXT_SEL>-POPER = 1.
<RFBILA00N_EXT_SEL>-DOCLN = 1.
<RFBILA00N_EXT_SEL>-RMVCT = 1.

ENDLOOP.

LOOP AT IT_RFBILA00N_EXT_SEL INTO WA_RFBILA00N_EXT_SEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFBILA00N_EXT_SEL-RCNTR, sy-vline,
  WA_RFBILA00N_EXT_SEL-PRCTR, sy-vline,
  WA_RFBILA00N_EXT_SEL-RFAREA, sy-vline,
  WA_RFBILA00N_EXT_SEL-RBUSA, sy-vline,
  WA_RFBILA00N_EXT_SEL-KOKRS, sy-vline,
  WA_RFBILA00N_EXT_SEL-SEGMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFBILA00N_EXT_SEL 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_RFBILA00N_EXT_SEL 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_RFBILA00N_EXT_SEL INTO WA_RFBILA00N_EXT_SEL.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RCNTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-RCNTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-RCNTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SCNTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-SCNTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-SCNTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-PPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-PPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RASSC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-RASSC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-RASSC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PSEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-PSEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-PSEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACRLOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-ACRLOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-ACRLOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-VNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-VNAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EGRUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-EGRUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-EGRUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-RECID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-RECID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VPTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-VPTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-VPTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-BTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-BTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ETYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-ETYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-ETYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PVNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-PVNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-PVNAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PEGRUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-PEGRUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-PEGRUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field S_RECIND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-S_RECIND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-S_RECIND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CBRACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFBILA00N_EXT_SEL-CBRACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFBILA00N_EXT_SEL-CBRACCT.
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_RFBILA00N_EXT_SEL_STR, 
BELNR TYPE STRING,
RYEAR TYPE STRING,
POPER TYPE STRING,
DOCLN TYPE STRING,
RMVCT TYPE STRING,
RCNTR TYPE STRING,
PRCTR TYPE STRING,
RFAREA TYPE STRING,
RBUSA TYPE STRING,
KOKRS TYPE STRING,
SEGMENT TYPE STRING,
SCNTR TYPE STRING,
PPRCTR TYPE STRING,
SFAREA TYPE STRING,
SBUSA TYPE STRING,
RASSC TYPE STRING,
PSEGMENT TYPE STRING,
ACROBJTYPE TYPE STRING,
ACRLOGSYS TYPE STRING,
ACROBJ_ID TYPE STRING,
ACRSOBJ_ID TYPE STRING,
ACRITMTYPE TYPE STRING,
ACRREFOBJ_ID TYPE STRING,
ACRVALDAT TYPE STRING,
VALOBJTYPE TYPE STRING,
VALOBJ_ID TYPE STRING,
VALSOBJ_ID TYPE STRING,
NETDT TYPE STRING,
RISK_CLASS TYPE STRING,
VNAME TYPE STRING,
EGRUP TYPE STRING,
RECID TYPE STRING,
VPTNR TYPE STRING,
BTYPE TYPE STRING,
ETYPE TYPE STRING,
PRODPER TYPE STRING,
BILLM TYPE STRING,
POM TYPE STRING,
CBRUNID TYPE STRING,
JVACTIVITY TYPE STRING,
PVNAME TYPE STRING,
PEGRUP TYPE STRING,
S_RECIND TYPE STRING,
CBRACCT TYPE STRING,
CBOBJNR TYPE STRING,
ACDOC_EEW_DUMMY TYPE STRING,
DUMMY_INCL_EEW_COBL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFBILA00N_EXT_SEL_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_RFBILA00N_EXT_SEL_STR-BELNR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RYEAR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-POPER sy-vline 
WA_RFBILA00N_EXT_SEL_STR-DOCLN sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RMVCT sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RCNTR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-PRCTR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RFAREA sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RBUSA sy-vline 
WA_RFBILA00N_EXT_SEL_STR-KOKRS sy-vline 
WA_RFBILA00N_EXT_SEL_STR-SEGMENT sy-vline 
WA_RFBILA00N_EXT_SEL_STR-SCNTR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-PPRCTR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-SFAREA sy-vline 
WA_RFBILA00N_EXT_SEL_STR-SBUSA sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RASSC sy-vline 
WA_RFBILA00N_EXT_SEL_STR-PSEGMENT sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACROBJTYPE sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACRLOGSYS sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACROBJ_ID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACRSOBJ_ID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACRITMTYPE sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACRREFOBJ_ID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACRVALDAT sy-vline 
WA_RFBILA00N_EXT_SEL_STR-VALOBJTYPE sy-vline 
WA_RFBILA00N_EXT_SEL_STR-VALOBJ_ID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-VALSOBJ_ID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-NETDT sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RISK_CLASS sy-vline 
WA_RFBILA00N_EXT_SEL_STR-VNAME sy-vline 
WA_RFBILA00N_EXT_SEL_STR-EGRUP sy-vline 
WA_RFBILA00N_EXT_SEL_STR-RECID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-VPTNR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-BTYPE sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ETYPE sy-vline 
WA_RFBILA00N_EXT_SEL_STR-PRODPER sy-vline 
WA_RFBILA00N_EXT_SEL_STR-BILLM sy-vline 
WA_RFBILA00N_EXT_SEL_STR-POM sy-vline 
WA_RFBILA00N_EXT_SEL_STR-CBRUNID sy-vline 
WA_RFBILA00N_EXT_SEL_STR-JVACTIVITY sy-vline 
WA_RFBILA00N_EXT_SEL_STR-PVNAME sy-vline 
WA_RFBILA00N_EXT_SEL_STR-PEGRUP sy-vline 
WA_RFBILA00N_EXT_SEL_STR-S_RECIND sy-vline 
WA_RFBILA00N_EXT_SEL_STR-CBRACCT sy-vline 
WA_RFBILA00N_EXT_SEL_STR-CBOBJNR sy-vline 
WA_RFBILA00N_EXT_SEL_STR-ACDOC_EEW_DUMMY sy-vline 
WA_RFBILA00N_EXT_SEL_STR-DUMMY_INCL_EEW_COBL sy-vline      INTO ld_text SEPARATED BY SPACE.

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