ABAP Select data from SAP table /ISDFPS/V_BI_ROD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/V_BI_ROD 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 /ISDFPS/V_BI_ROD. 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 /ISDFPS/V_BI_ROD 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_/ISDFPS/V_BI_ROD TYPE STANDARD TABLE OF /ISDFPS/V_BI_ROD,
      WA_/ISDFPS/V_BI_ROD TYPE /ISDFPS/V_BI_ROD,
      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: </ISDFPS/V_BI_ROD> TYPE /ISDFPS/V_BI_ROD.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/V_BI_ROD
  INTO TABLE IT_/ISDFPS/V_BI_ROD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/V_BI_ROD
*  INTO TABLE @DATA(IT_/ISDFPS/V_BI_ROD2).
*--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_/ISDFPS/V_BI_ROD INDEX 1 INTO DATA(WA_/ISDFPS/V_BI_ROD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/V_BI_ROD ASSIGNING </ISDFPS/V_BI_ROD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/V_BI_ROD>-MANDT = 1.
</ISDFPS/V_BI_ROD>-DOKNR = 1.
</ISDFPS/V_BI_ROD>-DOKAR = 1.
</ISDFPS/V_BI_ROD>-DOKVR = 1.
</ISDFPS/V_BI_ROD>-DOKOB = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/V_BI_ROD INTO WA_/ISDFPS/V_BI_ROD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/V_BI_ROD-DOKTL, sy-vline,
  WA_/ISDFPS/V_BI_ROD-OBZAE, sy-vline,
  WA_/ISDFPS/V_BI_ROD-VRKSTAT, sy-vline,
  WA_/ISDFPS/V_BI_ROD-VKEY, sy-vline,
  WA_/ISDFPS/V_BI_ROD-VDIR, sy-vline,
  WA_/ISDFPS/V_BI_ROD-DELFLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/V_BI_ROD 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_/ISDFPS/V_BI_ROD 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_/ISDFPS/V_BI_ROD INTO WA_/ISDFPS/V_BI_ROD.


*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 DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/V_BI_ROD-DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/V_BI_ROD-DOKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOKNR_VL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/V_BI_ROD-DOKNR_VL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/V_BI_ROD-DOKNR_VL.
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_/ISDFPS/V_BI_ROD_STR, 
MANDT TYPE STRING,
DOKNR TYPE STRING,
DOKAR TYPE STRING,
DOKVR TYPE STRING,
DOKOB TYPE STRING,
DOKTL TYPE STRING,
OBZAE TYPE STRING,
VRKSTAT TYPE STRING,
VKEY TYPE STRING,
VDIR TYPE STRING,
DELFLAG TYPE STRING,
CM_FIXED TYPE STRING,
DWNAM TYPE STRING,
DOKST TYPE STRING,
LOEDK TYPE STRING,
FILEP1 TYPE STRING,
VRLDAT TYPE STRING,
VPRIOR TYPE STRING,
MRK_FILEP TYPE STRING,
MRK_DTTRG TYPE STRING,
ADATUM TYPE STRING,
DOKNR_VL TYPE STRING,
DOKTL_VL TYPE STRING,
DOKVR_VL TYPE STRING,
OBJKY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/V_BI_ROD_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_/ISDFPS/V_BI_ROD_STR-MANDT sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKNR sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKAR sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKVR sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKOB sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKTL sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-OBZAE sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-VRKSTAT sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-VKEY sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-VDIR sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DELFLAG sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-CM_FIXED sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DWNAM sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKST sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-LOEDK sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-FILEP1 sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-VRLDAT sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-VPRIOR sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-MRK_FILEP sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-MRK_DTTRG sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-ADATUM sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKNR_VL sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKTL_VL sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-DOKVR_VL sy-vline 
WA_/ISDFPS/V_BI_ROD_STR-OBJKY sy-vline      INTO ld_text SEPARATED BY SPACE.

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