ABAP Select data from SAP table PSVDISSJOUR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSVDISSJOUR
*  INTO TABLE @DATA(IT_PSVDISSJOUR2).
*--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_PSVDISSJOUR INDEX 1 INTO DATA(WA_PSVDISSJOUR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSVDISSJOUR>-MANDT = 1.
<PSVDISSJOUR>-APPLICATIONLOG = 1.
<PSVDISSJOUR>-SERVICEDOCUMENT = 1.
<PSVDISSJOUR>-SERVICEDOCUMENTITEM = 1.
<PSVDISSJOUR>-SERVICEDOCUMENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSVDISSJOUR-CONTROLLINGOBJECT, sy-vline,
  WA_PSVDISSJOUR-ORGANIZATIONDIVISION, sy-vline,
  WA_PSVDISSJOUR-DISTRIBUTIONCHANNEL, sy-vline,
  WA_PSVDISSJOUR-SALESORGANIZATION, sy-vline,
  WA_PSVDISSJOUR-RESULTANALYSISINTERNALID, sy-vline,
  WA_PSVDISSJOUR-COMPANYCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSVDISSJOUR 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_PSVDISSJOUR 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_PSVDISSJOUR INTO WA_PSVDISSJOUR.


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

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

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

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSVDISSJOUR-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSVDISSJOUR-PROFITCENTER.
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_PSVDISSJOUR_STR, 
MANDT TYPE STRING,
APPLICATIONLOG TYPE STRING,
SERVICEDOCUMENT TYPE STRING,
SERVICEDOCUMENTITEM TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
SALESORGANIZATION TYPE STRING,
RESULTANALYSISINTERNALID TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
LEDGER TYPE STRING,
ACCOUNTINGPRINCIPLE TYPE STRING,
SERVICEDOCUMENTTYPENAME TYPE STRING,
NUMBEROFOPENERRORMESSAGES TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALYEAR TYPE STRING,
TOFISCALYEARPERIOD TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
PROFITCENTER TYPE STRING,
POSTINGDATE TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSVDISSJOUR_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_PSVDISSJOUR_STR-MANDT sy-vline 
WA_PSVDISSJOUR_STR-APPLICATIONLOG sy-vline 
WA_PSVDISSJOUR_STR-SERVICEDOCUMENT sy-vline 
WA_PSVDISSJOUR_STR-SERVICEDOCUMENTITEM sy-vline 
WA_PSVDISSJOUR_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_PSVDISSJOUR_STR-CONTROLLINGOBJECT sy-vline 
WA_PSVDISSJOUR_STR-ORGANIZATIONDIVISION sy-vline 
WA_PSVDISSJOUR_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSVDISSJOUR_STR-SALESORGANIZATION sy-vline 
WA_PSVDISSJOUR_STR-RESULTANALYSISINTERNALID sy-vline 
WA_PSVDISSJOUR_STR-COMPANYCODE sy-vline 
WA_PSVDISSJOUR_STR-COMPANYCODENAME sy-vline 
WA_PSVDISSJOUR_STR-FISCALYEARVARIANT sy-vline 
WA_PSVDISSJOUR_STR-LEDGER sy-vline 
WA_PSVDISSJOUR_STR-ACCOUNTINGPRINCIPLE sy-vline 
WA_PSVDISSJOUR_STR-SERVICEDOCUMENTTYPENAME sy-vline 
WA_PSVDISSJOUR_STR-NUMBEROFOPENERRORMESSAGES sy-vline 
WA_PSVDISSJOUR_STR-FISCALPERIOD sy-vline 
WA_PSVDISSJOUR_STR-FISCALYEAR sy-vline 
WA_PSVDISSJOUR_STR-TOFISCALYEARPERIOD sy-vline 
WA_PSVDISSJOUR_STR-FISCALYEARPERIOD sy-vline 
WA_PSVDISSJOUR_STR-PROFITCENTER sy-vline 
WA_PSVDISSJOUR_STR-POSTINGDATE sy-vline 
WA_PSVDISSJOUR_STR-APPLICATIONLOGHANDLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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