ABAP Select data from SAP table BAPI_DOC_MASS_DRAWX2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_DOC_MASS_DRAWX2 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 BAPI_DOC_MASS_DRAWX2. 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 BAPI_DOC_MASS_DRAWX2 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_BAPI_DOC_MASS_DRAWX2 TYPE STANDARD TABLE OF BAPI_DOC_MASS_DRAWX2,
      WA_BAPI_DOC_MASS_DRAWX2 TYPE BAPI_DOC_MASS_DRAWX2,
      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: <BAPI_DOC_MASS_DRAWX2> TYPE BAPI_DOC_MASS_DRAWX2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI_DOC_MASS_DRAWX2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI_DOC_MASS_DRAWX2
  INTO TABLE IT_BAPI_DOC_MASS_DRAWX2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_DOC_MASS_DRAWX2
*  INTO TABLE @DATA(IT_BAPI_DOC_MASS_DRAWX22).
*--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_BAPI_DOC_MASS_DRAWX2 INDEX 1 INTO DATA(WA_BAPI_DOC_MASS_DRAWX22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI_DOC_MASS_DRAWX2 ASSIGNING <BAPI_DOC_MASS_DRAWX2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_DOC_MASS_DRAWX2>-DOCUMENT_TYPE = 1.
<BAPI_DOC_MASS_DRAWX2>-DOCUMENT_NUMBER = 1.
<BAPI_DOC_MASS_DRAWX2>-DOCUMENT_PART = 1.
<BAPI_DOC_MASS_DRAWX2>-DOCUMENT_VERSION = 1.
<BAPI_DOC_MASS_DRAWX2>-DOCUMENTTYPE = 1.

ENDLOOP.

LOOP AT IT_BAPI_DOC_MASS_DRAWX2 INTO WA_BAPI_DOC_MASS_DRAWX2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_DOC_MASS_DRAWX2-DOCUMENTNUMBER, sy-vline,
  WA_BAPI_DOC_MASS_DRAWX2-DOCUMENTVERSION, sy-vline,
  WA_BAPI_DOC_MASS_DRAWX2-DOCUMENTPART, sy-vline,
  WA_BAPI_DOC_MASS_DRAWX2-DESCRIPTION, sy-vline,
  WA_BAPI_DOC_MASS_DRAWX2-USERNAME, sy-vline,
  WA_BAPI_DOC_MASS_DRAWX2-STATUSEXTERN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_DOC_MASS_DRAWX2 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_BAPI_DOC_MASS_DRAWX2 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_BAPI_DOC_MASS_DRAWX2 INTO WA_BAPI_DOC_MASS_DRAWX2.


*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 DOCUMENT_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_DOC_MASS_DRAWX2-DOCUMENT_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_DOC_MASS_DRAWX2-DOCUMENT_NUMBER.
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_BAPI_DOC_MASS_DRAWX2_STR, 
DOCUMENT_TYPE TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,
DOCUMENT_PART TYPE STRING,
DOCUMENT_VERSION TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
DESCRIPTION TYPE STRING,
USERNAME TYPE STRING,
STATUSEXTERN TYPE STRING,
STATUSINTERN TYPE STRING,
STATUSLOG TYPE STRING,
LABORATORY TYPE STRING,
ECNUMBER TYPE STRING,
REVLEVEL TYPE STRING,
DELETEINDICATOR TYPE STRING,
CADINDICATOR TYPE STRING,
STRUCTUREINDICATOR TYPE STRING,
PREDOCUMENTNUMBER TYPE STRING,
PREDOCUMENTVERSION TYPE STRING,
PREDOCUMENTPART TYPE STRING,
PREDOCUMENTTYPE TYPE STRING,
AUTHORITYGROUP TYPE STRING,
DOCFILE1 TYPE STRING,
DATACARRIER1 TYPE STRING,
WSAPPLICATION1 TYPE STRING,
DOCFILE2 TYPE STRING,
DATACARRIER2 TYPE STRING,
WSAPPLICATION2 TYPE STRING,
VRLDAT TYPE STRING,
USERDEFINED1 TYPE STRING,
USERDEFINED2 TYPE STRING,
USERDEFINED3 TYPE STRING,
USERDEFINED4 TYPE STRING,
SAVEDOCFILE1 TYPE STRING,
SAVEDATACARRIER1 TYPE STRING,
SAVEDOCFILE2 TYPE STRING,
SAVEDATACARRIER2 TYPE STRING,
CREATEDATE TYPE STRING,
REFDOCUMENTNUMBER TYPE STRING,
REFDOCUMENTPART TYPE STRING,
REFDOCUMENTVERSION TYPE STRING,
FILESIZE1 TYPE STRING,
FILESIZE2 TYPE STRING,
CMRELEVANCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_DOC_MASS_DRAWX2_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_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENT_TYPE sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENT_NUMBER sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENT_PART sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENT_VERSION sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENTTYPE sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENTNUMBER sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENTVERSION sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCUMENTPART sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DESCRIPTION sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-USERNAME sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-STATUSEXTERN sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-STATUSINTERN sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-STATUSLOG sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-LABORATORY sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-ECNUMBER sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-REVLEVEL sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DELETEINDICATOR sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-CADINDICATOR sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-STRUCTUREINDICATOR sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-PREDOCUMENTNUMBER sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-PREDOCUMENTVERSION sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-PREDOCUMENTPART sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-PREDOCUMENTTYPE sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-AUTHORITYGROUP sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCFILE1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DATACARRIER1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-WSAPPLICATION1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DOCFILE2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-DATACARRIER2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-WSAPPLICATION2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-VRLDAT sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-USERDEFINED1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-USERDEFINED2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-USERDEFINED3 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-USERDEFINED4 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-SAVEDOCFILE1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-SAVEDATACARRIER1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-SAVEDOCFILE2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-SAVEDATACARRIER2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-CREATEDATE sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-REFDOCUMENTNUMBER sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-REFDOCUMENTPART sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-REFDOCUMENTVERSION sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-FILESIZE1 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-FILESIZE2 sy-vline 
WA_BAPI_DOC_MASS_DRAWX2_STR-CMRELEVANCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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