ABAP Select data from SAP table PCVORIGINAL into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCVORIGINAL 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 PCVORIGINAL. 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 PCVORIGINAL 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_PCVORIGINAL TYPE STANDARD TABLE OF PCVORIGINAL,
      WA_PCVORIGINAL TYPE PCVORIGINAL,
      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: <PCVORIGINAL> TYPE PCVORIGINAL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCVORIGINAL
*  INTO TABLE @DATA(IT_PCVORIGINAL2).
*--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_PCVORIGINAL INDEX 1 INTO DATA(WA_PCVORIGINAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCVORIGINAL>-MANDT = 1.
<PCVORIGINAL>-DOCUMENTTYPE = 1.
<PCVORIGINAL>-DOCUMENTINFORECORD = 1.
<PCVORIGINAL>-DOCUMENTVERSION = 1.
<PCVORIGINAL>-DOCUMENTPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCVORIGINAL-DOCUMENTINDEX, sy-vline,
  WA_PCVORIGINAL-FILEUUID, sy-vline,
  WA_PCVORIGINAL-FILENAME, sy-vline,
  WA_PCVORIGINAL-ISORIGINALVERSIONACTIVE, sy-vline,
  WA_PCVORIGINAL-WORKSTATIONAPPLICATION, sy-vline,
  WA_PCVORIGINAL-MIMETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCVORIGINAL 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_PCVORIGINAL 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_PCVORIGINAL INTO WA_PCVORIGINAL.


*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 DOCUMENTINFORECORD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCVORIGINAL-DOCUMENTINFORECORD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCVORIGINAL-DOCUMENTINFORECORD.
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_PCVORIGINAL_STR, 
MANDT TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTINFORECORD TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
DOCUMENTINDEX TYPE STRING,
FILEUUID TYPE STRING,
FILENAME TYPE STRING,
ISORIGINALVERSIONACTIVE TYPE STRING,
WORKSTATIONAPPLICATION TYPE STRING,
MIMETYPE TYPE STRING,
STORAGECATEGORY TYPE STRING,
ORIGINALCHECKEDOUTUSER TYPE STRING,
ORIGINALCHECKEDOUTTIME TYPE STRING,
INTERNALCOMMENT TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CHANGEDDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PHYSICALDOCUMENT TYPE STRING,
FILESIZE TYPE STRING,
ORIGINALTYPE TYPE STRING,
LOGICALDOCUMENT TYPE STRING,
LOGICALDOCUMENTISREFERENCE TYPE STRING,
LOGICALDOCUMENTCLASS TYPE STRING,
PHYSICALDOCTECHNICALSTATUS TYPE STRING,
DOCUMENTTITLE TYPE STRING,
DOCUMENTFORMAT TYPE STRING,
ORIGINALISPROTECTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCVORIGINAL_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_PCVORIGINAL_STR-MANDT sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTTYPE sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTINFORECORD sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTVERSION sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTPART sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTINDEX sy-vline 
WA_PCVORIGINAL_STR-FILEUUID sy-vline 
WA_PCVORIGINAL_STR-FILENAME sy-vline 
WA_PCVORIGINAL_STR-ISORIGINALVERSIONACTIVE sy-vline 
WA_PCVORIGINAL_STR-WORKSTATIONAPPLICATION sy-vline 
WA_PCVORIGINAL_STR-MIMETYPE sy-vline 
WA_PCVORIGINAL_STR-STORAGECATEGORY sy-vline 
WA_PCVORIGINAL_STR-ORIGINALCHECKEDOUTUSER sy-vline 
WA_PCVORIGINAL_STR-ORIGINALCHECKEDOUTTIME sy-vline 
WA_PCVORIGINAL_STR-INTERNALCOMMENT sy-vline 
WA_PCVORIGINAL_STR-CREATIONDATETIME sy-vline 
WA_PCVORIGINAL_STR-CREATEDBYUSER sy-vline 
WA_PCVORIGINAL_STR-CHANGEDDATETIME sy-vline 
WA_PCVORIGINAL_STR-LASTCHANGEDBYUSER sy-vline 
WA_PCVORIGINAL_STR-PHYSICALDOCUMENT sy-vline 
WA_PCVORIGINAL_STR-FILESIZE sy-vline 
WA_PCVORIGINAL_STR-ORIGINALTYPE sy-vline 
WA_PCVORIGINAL_STR-LOGICALDOCUMENT sy-vline 
WA_PCVORIGINAL_STR-LOGICALDOCUMENTISREFERENCE sy-vline 
WA_PCVORIGINAL_STR-LOGICALDOCUMENTCLASS sy-vline 
WA_PCVORIGINAL_STR-PHYSICALDOCTECHNICALSTATUS sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTTITLE sy-vline 
WA_PCVORIGINAL_STR-DOCUMENTFORMAT sy-vline 
WA_PCVORIGINAL_STR-ORIGINALISPROTECTED sy-vline      INTO ld_text SEPARATED BY SPACE.

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