ABAP Select data from SAP table DRAW_DRAFT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DRAW_DRAFT
*  INTO TABLE @DATA(IT_DRAW_DRAFT2).
*--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_DRAW_DRAFT INDEX 1 INTO DATA(WA_DRAW_DRAFT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DRAW_DRAFT>-MANDT = 1.
<DRAW_DRAFT>-DRAFTUUID = 1.
<DRAW_DRAFT>-DOCUMENTINFORECORDDOCTYPE = 1.
<DRAW_DRAFT>-DOCUMENTINFORECORDDOCNUMBER = 1.
<DRAW_DRAFT>-DOCUMENTINFORECORDDOCVERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DRAW_DRAFT-DOCUMENTINFORECORDDOCPART, sy-vline,
  WA_DRAW_DRAFT-DOCUMENTINFORECORD, sy-vline,
  WA_DRAW_DRAFT-DOCINFORECDISMARKEDFORDELETION, sy-vline,
  WA_DRAW_DRAFT-INTERNALDOCUMENTSTATUS, sy-vline,
  WA_DRAW_DRAFT-ISDOCINFORECDCREATEDFROMCAD, sy-vline,
  WA_DRAW_DRAFT-ISDOCINFORECDSTRUCTURE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DRAW_DRAFT 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_DRAW_DRAFT 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_DRAW_DRAFT INTO WA_DRAW_DRAFT.


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

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

*Conversion exit ALPHA, internal->external for field DOCINFORECDDOCNUMBERFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DRAW_DRAFT-DOCINFORECDDOCNUMBERFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DRAW_DRAFT-DOCINFORECDDOCNUMBERFOREDIT.
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_DRAW_DRAFT_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
DOCUMENTINFORECORDDOCTYPE TYPE STRING,
DOCUMENTINFORECORDDOCNUMBER TYPE STRING,
DOCUMENTINFORECORDDOCVERSION TYPE STRING,
DOCUMENTINFORECORDDOCPART TYPE STRING,
DOCUMENTINFORECORD TYPE STRING,
DOCINFORECDISMARKEDFORDELETION TYPE STRING,
INTERNALDOCUMENTSTATUS TYPE STRING,
ISDOCINFORECDCREATEDFROMCAD TYPE STRING,
ISDOCINFORECDSTRUCTURE TYPE STRING,
DOCINFORECDSOURCEDOCNUMBER TYPE STRING,
DOCINFORECDSOURCEDOCVERSION TYPE STRING,
DOCINFORECDSOURCEDOCPART TYPE STRING,
RESPONSIBLEPERSONNAME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CHANGEDDATETIME TYPE STRING,
DOCINFORECDDOCTYPEFOREDIT TYPE STRING,
DOCINFORECDDOCNUMBERFOREDIT TYPE STRING,
DOCINFORECDDOCVERSIONFOREDIT TYPE STRING,
DOCINFORECDDOCPARTFOREDIT TYPE STRING,
LABORATORYORDESIGNOFFICE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
DOCUMENTDESCRIPTIONFOREDIT TYPE STRING,
EXTERNALDOCUMENTSTATUSFOREDIT TYPE STRING,
CLASSIFICATIONSIDEEFFECT TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DRAW_DRAFT_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_DRAW_DRAFT_STR-MANDT sy-vline 
WA_DRAW_DRAFT_STR-DRAFTUUID sy-vline 
WA_DRAW_DRAFT_STR-DOCUMENTINFORECORDDOCTYPE sy-vline 
WA_DRAW_DRAFT_STR-DOCUMENTINFORECORDDOCNUMBER sy-vline 
WA_DRAW_DRAFT_STR-DOCUMENTINFORECORDDOCVERSION sy-vline 
WA_DRAW_DRAFT_STR-DOCUMENTINFORECORDDOCPART sy-vline 
WA_DRAW_DRAFT_STR-DOCUMENTINFORECORD sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDISMARKEDFORDELETION sy-vline 
WA_DRAW_DRAFT_STR-INTERNALDOCUMENTSTATUS sy-vline 
WA_DRAW_DRAFT_STR-ISDOCINFORECDCREATEDFROMCAD sy-vline 
WA_DRAW_DRAFT_STR-ISDOCINFORECDSTRUCTURE sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDSOURCEDOCNUMBER sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDSOURCEDOCVERSION sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDSOURCEDOCPART sy-vline 
WA_DRAW_DRAFT_STR-RESPONSIBLEPERSONNAME sy-vline 
WA_DRAW_DRAFT_STR-CREATEDBYUSER sy-vline 
WA_DRAW_DRAFT_STR-CREATIONDATETIME sy-vline 
WA_DRAW_DRAFT_STR-LASTCHANGEDBYUSER sy-vline 
WA_DRAW_DRAFT_STR-CHANGEDDATETIME sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDDOCTYPEFOREDIT sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDDOCNUMBERFOREDIT sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDDOCVERSIONFOREDIT sy-vline 
WA_DRAW_DRAFT_STR-DOCINFORECDDOCPARTFOREDIT sy-vline 
WA_DRAW_DRAFT_STR-LABORATORYORDESIGNOFFICE sy-vline 
WA_DRAW_DRAFT_STR-AUTHORIZATIONGROUP sy-vline 
WA_DRAW_DRAFT_STR-DOCUMENTDESCRIPTIONFOREDIT sy-vline 
WA_DRAW_DRAFT_STR-EXTERNALDOCUMENTSTATUSFOREDIT sy-vline 
WA_DRAW_DRAFT_STR-CLASSIFICATIONSIDEEFFECT sy-vline 
WA_DRAW_DRAFT_STR-HASACTIVEENTITY sy-vline 
WA_DRAW_DRAFT_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_DRAW_DRAFT_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_DRAW_DRAFT_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_DRAW_DRAFT_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_DRAW_DRAFT_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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