ABAP Select data from SAP table /PICM/BAPI_DOC_FILES2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PICM/BAPI_DOC_FILES2 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 /PICM/BAPI_DOC_FILES2. 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 /PICM/BAPI_DOC_FILES2 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_/PICM/BAPI_DOC_FILES2 TYPE STANDARD TABLE OF /PICM/BAPI_DOC_FILES2,
      WA_/PICM/BAPI_DOC_FILES2 TYPE /PICM/BAPI_DOC_FILES2,
      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: </PICM/BAPI_DOC_FILES2> TYPE /PICM/BAPI_DOC_FILES2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PICM/BAPI_DOC_FILES2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PICM/BAPI_DOC_FILES2
  INTO TABLE IT_/PICM/BAPI_DOC_FILES2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PICM/BAPI_DOC_FILES2
*  INTO TABLE @DATA(IT_/PICM/BAPI_DOC_FILES22).
*--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_/PICM/BAPI_DOC_FILES2 INDEX 1 INTO DATA(WA_/PICM/BAPI_DOC_FILES22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PICM/BAPI_DOC_FILES2 ASSIGNING </PICM/BAPI_DOC_FILES2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PICM/BAPI_DOC_FILES2>-DELETEVALUE = 1.
</PICM/BAPI_DOC_FILES2>-DOCUMENTTYPE = 1.
</PICM/BAPI_DOC_FILES2>-DOCUMENTNUMBER = 1.
</PICM/BAPI_DOC_FILES2>-DOCUMENTPART = 1.
</PICM/BAPI_DOC_FILES2>-DOCUMENTVERSION = 1.

ENDLOOP.

LOOP AT IT_/PICM/BAPI_DOC_FILES2 INTO WA_/PICM/BAPI_DOC_FILES2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PICM/BAPI_DOC_FILES2-ORIGINALTYPE, sy-vline,
  WA_/PICM/BAPI_DOC_FILES2-SOURCEDATACARRIER, sy-vline,
  WA_/PICM/BAPI_DOC_FILES2-STORAGECATEGORY, sy-vline,
  WA_/PICM/BAPI_DOC_FILES2-WSAPPLICATION, sy-vline,
  WA_/PICM/BAPI_DOC_FILES2-DOCPATH, sy-vline,
  WA_/PICM/BAPI_DOC_FILES2-DOCFILE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PICM/BAPI_DOC_FILES2 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_/PICM/BAPI_DOC_FILES2 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_/PICM/BAPI_DOC_FILES2 INTO WA_/PICM/BAPI_DOC_FILES2.


*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 DOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PICM/BAPI_DOC_FILES2-DOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PICM/BAPI_DOC_FILES2-DOCUMENTNUMBER.
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_/PICM/BAPI_DOC_FILES2_STR, 
DELETEVALUE TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTPART TYPE STRING,
DOCUMENTVERSION TYPE STRING,
ORIGINALTYPE TYPE STRING,
SOURCEDATACARRIER TYPE STRING,
STORAGECATEGORY TYPE STRING,
WSAPPLICATION TYPE STRING,
DOCPATH TYPE STRING,
DOCFILE TYPE STRING,
STATUSINTERN TYPE STRING,
STATUSEXTERN TYPE STRING,
STATUSLOG TYPE STRING,
APPLICATION_ID TYPE STRING,
FILE_ID TYPE STRING,
DESCRIPTION TYPE STRING,
LANGUAGE TYPE STRING,
CHECKEDIN TYPE STRING,
ACTIVE_VERSION TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
CONTENT_DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PICM/BAPI_DOC_FILES2_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_/PICM/BAPI_DOC_FILES2_STR-DELETEVALUE sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DOCUMENTTYPE sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DOCUMENTNUMBER sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DOCUMENTPART sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DOCUMENTVERSION sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-ORIGINALTYPE sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-SOURCEDATACARRIER sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-STORAGECATEGORY sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-WSAPPLICATION sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DOCPATH sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DOCFILE sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-STATUSINTERN sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-STATUSEXTERN sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-STATUSLOG sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-APPLICATION_ID sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-FILE_ID sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-DESCRIPTION sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-LANGUAGE sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-CHECKEDIN sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-ACTIVE_VERSION sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-CREATED_AT sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-CHANGED_AT sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-CREATED_BY sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-CHANGED_BY sy-vline 
WA_/PICM/BAPI_DOC_FILES2_STR-CONTENT_DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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