ABAP Select data from SAP table /ISDFPS/V_BI_MPO 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_MPO 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_MPO. 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_MPO 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_MPO TYPE STANDARD TABLE OF /ISDFPS/V_BI_MPO,
      WA_/ISDFPS/V_BI_MPO TYPE /ISDFPS/V_BI_MPO,
      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_MPO> TYPE /ISDFPS/V_BI_MPO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/V_BI_MPO
*  INTO TABLE @DATA(IT_/ISDFPS/V_BI_MPO2).
*--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_MPO INDEX 1 INTO DATA(WA_/ISDFPS/V_BI_MPO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/V_BI_MPO>-MANDT = 1.
</ISDFPS/V_BI_MPO>-MPO = 1.
</ISDFPS/V_BI_MPO>-TIMSTMP = 1.
</ISDFPS/V_BI_MPO>-CREADAT = 1.
</ISDFPS/V_BI_MPO>-CREABY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/V_BI_MPO-CHNGDAT, sy-vline,
  WA_/ISDFPS/V_BI_MPO-CHNGBY, sy-vline,
  WA_/ISDFPS/V_BI_MPO-LOGSYS, sy-vline,
  WA_/ISDFPS/V_BI_MPO-PNCNT, sy-vline,
  WA_/ISDFPS/V_BI_MPO-MDM_PLVAR, sy-vline,
  WA_/ISDFPS/V_BI_MPO-MDM_OTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/V_BI_MPO 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_MPO 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_MPO INTO WA_/ISDFPS/V_BI_MPO.


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

*Conversion exit MATN1, internal->external for field MPO_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/V_BI_MPO-MPO_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/V_BI_MPO-MPO_MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN3, internal->external for field STOFF
CALL FUNCTION 'CONVERSION_EXIT_MATN3_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/V_BI_MPO-STOFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/V_BI_MPO-STOFF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEABM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/V_BI_MPO-MEABM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/V_BI_MPO-MEABM.
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_MPO_STR, 
MANDT TYPE STRING,
MPO TYPE STRING,
TIMSTMP TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
CHNGDAT TYPE STRING,
CHNGBY TYPE STRING,
LOGSYS TYPE STRING,
PNCNT TYPE STRING,
MDM_PLVAR TYPE STRING,
MDM_OTYPE TYPE STRING,
MDM_OBJID TYPE STRING,
SER_FLAG TYPE STRING,
TRANSPORT TYPE STRING,
RIC TYPE STRING,
OBJNR TYPE STRING,
STAT TYPE STRING,
MPO_MATNR TYPE STRING,
MTART TYPE STRING,
MATKL TYPE STRING,
BRGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
STOFF TYPE STRING,
LAENG TYPE STRING,
BREIT TYPE STRING,
HOEHE TYPE STRING,
MEABM TYPE STRING,
ATTYP TYPE STRING,
MFRPN TYPE STRING,
PROFL TYPE STRING,
MCOND TYPE STRING,
RETDELC TYPE STRING,
LOGLEV_RETO TYPE STRING,
NSNID TYPE STRING,
GROES TYPE STRING,
PNTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/V_BI_MPO_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_MPO_STR-MANDT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MPO sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-TIMSTMP sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-CREADAT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-CREABY sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-CHNGDAT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-CHNGBY sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-LOGSYS sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-PNCNT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MDM_PLVAR sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MDM_OTYPE sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MDM_OBJID sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-SER_FLAG sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-TRANSPORT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-RIC sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-OBJNR sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-STAT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MPO_MATNR sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MTART sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MATKL sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-BRGEW sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-NTGEW sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-GEWEI sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-VOLUM sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-VOLEH sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-STOFF sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-LAENG sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-BREIT sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-HOEHE sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MEABM sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-ATTYP sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MFRPN sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-PROFL sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-MCOND sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-RETDELC sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-LOGLEV_RETO sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-NSNID sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-GROES sy-vline 
WA_/ISDFPS/V_BI_MPO_STR-PNTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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