ABAP Select data from SAP table LCM_DOCUMENT_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LCM_DOCUMENT_D
*  INTO TABLE @DATA(IT_LCM_DOCUMENT_D2).
*--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_LCM_DOCUMENT_D INDEX 1 INTO DATA(WA_LCM_DOCUMENT_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LCM_DOCUMENT_D>-MANDT = 1.
<LCM_DOCUMENT_D>-LGLCNTNTMDOCUMENTUUID = 1.
<LCM_DOCUMENT_D>-LGLCNTNTMDOCUMENT = 1.
<LCM_DOCUMENT_D>-LGLCNTNTMDOCUMENTLINKEDOBJECT = 1.
<LCM_DOCUMENT_D>-LGLCNTNTMDOCUMENTLINKEDOBJKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LCM_DOCUMENT_D-LGLCNTNTMDOCUMENTISTOPVERSION, sy-vline,
  WA_LCM_DOCUMENT_D-LEGALTRANSACTION, sy-vline,
  WA_LCM_DOCUMENT_D-LEGALTRANSACTIONUUID, sy-vline,
  WA_LCM_DOCUMENT_D-LEGALTRANSACTIONTITLE, sy-vline,
  WA_LCM_DOCUMENT_D-LGLCNTNTMDOCCONTENTTYPE, sy-vline,
  WA_LCM_DOCUMENT_D-LGLCNTNTMLANGUAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LCM_DOCUMENT_D 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_LCM_DOCUMENT_D 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_LCM_DOCUMENT_D INTO WA_LCM_DOCUMENT_D.


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

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

*Conversion exit ISOLA, internal->external for field LGLCNTNTMLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_LCM_DOCUMENT_D-LGLCNTNTMLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LCM_DOCUMENT_D-LGLCNTNTMLANGUAGE.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field LGLCNTNTMCONTEXT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LCM_DOCUMENT_D-LGLCNTNTMCONTEXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LCM_DOCUMENT_D-LGLCNTNTMCONTEXT.
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_LCM_DOCUMENT_D_STR, 
MANDT TYPE STRING,
LGLCNTNTMDOCUMENTUUID TYPE STRING,
LGLCNTNTMDOCUMENT TYPE STRING,
LGLCNTNTMDOCUMENTLINKEDOBJECT TYPE STRING,
LGLCNTNTMDOCUMENTLINKEDOBJKEY TYPE STRING,
LGLCNTNTMDOCUMENTISTOPVERSION TYPE STRING,
LEGALTRANSACTION TYPE STRING,
LEGALTRANSACTIONUUID TYPE STRING,
LEGALTRANSACTIONTITLE TYPE STRING,
LGLCNTNTMDOCCONTENTTYPE TYPE STRING,
LGLCNTNTMLANGUAGE TYPE STRING,
LGLCNTNTMPARENTDOCUMENT TYPE STRING,
LGLCNTNTMDOCACCESSLVL TYPE STRING,
LGLCNTNTMCHANGEDBYUSER TYPE STRING,
LGLCNTNTMCHANGEDUTCDATETIME TYPE STRING,
LGLCNTNTMCREATEDBYUSER TYPE STRING,
LGLCNTNTMCREATEDUTCDATETIME TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
LGLCNTNTMISMANDATORY TYPE STRING,
LGLCNTNTMAGINGTEMPERATURE TYPE STRING,
DOCUMENTDESCRIPTION TYPE STRING,
LGLCNTNTMPROFILE TYPE STRING,
INTERNALDOCUMENTSTATUS TYPE STRING,
LGLCNTNTMSIGNATUREDOCSTATUS TYPE STRING,
DOCUMENTVERSION TYPE STRING,
LEGALDOCUMENTVERSION TYPE STRING,
LGLCNTNTMDOCTYPE TYPE STRING,
LGLCNTNTMDOCASSEMBLYSTATUS TYPE STRING,
LGLCNTNTMLONGTEXTUUID TYPE STRING,
LGLCNTNTMLONGTEXT TYPE STRING,
LGLCNTNTMLONGTEXTMIMETYPE TYPE STRING,
LGLCNTNTMTMPLUUID TYPE STRING,
LGLCNTNTMVIRTUALDOCVERSKEY TYPE STRING,
LGLCNTNTMVIRTUALDOCSYNCSTS TYPE STRING,
LGLCNTNTMCNTXTDOCUUID TYPE STRING,
LGLCNTNTMCREATEDFROMDOCUUID TYPE STRING,
LEGALDOCUMENTSOURCE TYPE STRING,
LGLCNTNTMDOCREFERENCENUMBER TYPE STRING,
LGLCNTNTMDOCLOWTOUCHLEVEL TYPE STRING,
LGLCNTNTMDOCREFRESHSTATUS TYPE STRING,
FILENAME TYPE STRING,
MIMETYPE TYPE STRING,
DOCUMENTINFORECORDDOCTYPE TYPE STRING,
DOCUMENTINFORECORDDOCNUMBER TYPE STRING,
DOCUMENTINFORECORDDOCPART TYPE STRING,
DOCUMENTINFORECORDDOCVERSION TYPE STRING,
LOGICALDOCUMENT TYPE STRING,
PHYSICALDOCUMENT TYPE STRING,
FILEUUID TYPE STRING,
LGLCNTNTMDOCISVERSCREATEENABLE TYPE STRING,
LGLCNTNTMDOCUMENTHASSTAMP TYPE STRING,
LGLCNTNTMDOCISCHECKEDIN TYPE STRING,
LGLCNTNTMDOCISCRTESTMPENBLD TYPE STRING,
LGLCNTNTMDOCISFILECHANGED TYPE STRING,
LGLCNTNTMISVARBLPUSHRQD TYPE STRING,
LGLCNTNTMDOCCHECKOUTTIME TYPE STRING,
LGLCNTNTMDOCPREVSTATUS TYPE STRING,
LEGALDOCUMENTCREATEDFROM TYPE STRING,
LGLCNTNTMTMPLNAME TYPE STRING,
ISCLOUDSYSTEM TYPE STRING,
LGLCNTNTMDOCVIRTUALDOCURL TYPE STRING,
LGLCNTNTMVIRTUALDOCDOWNLOADURL TYPE STRING,
LGLCNTNTMGOVLAW TYPE STRING,
LGLCNTNTMCONTEXT TYPE STRING,
LGLCNTNTMDOCLOCKEDREASONCODE TYPE STRING,
LGLCNTNTMDOCISTOBEDELETED TYPE STRING,
LGLCNTNTMTMPLID TYPE STRING,
LGLCNTNTMCNTXTDOCUMENTID TYPE STRING,
LGLCNTNTMISINTEGRELEVANT TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_LCM_DOCUMENT_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LCM_DOCUMENT_D_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_LCM_DOCUMENT_D_STR-MANDT sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCUMENTUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCUMENT sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCUMENTLINKEDOBJECT sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCUMENTLINKEDOBJKEY sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCUMENTISTOPVERSION sy-vline 
WA_LCM_DOCUMENT_D_STR-LEGALTRANSACTION sy-vline 
WA_LCM_DOCUMENT_D_STR-LEGALTRANSACTIONUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LEGALTRANSACTIONTITLE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCCONTENTTYPE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMLANGUAGE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMPARENTDOCUMENT sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCACCESSLVL sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCHANGEDBYUSER sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCHANGEDUTCDATETIME sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCREATEDBYUSER sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCREATEDUTCDATETIME sy-vline 
WA_LCM_DOCUMENT_D_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMISMANDATORY sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMAGINGTEMPERATURE sy-vline 
WA_LCM_DOCUMENT_D_STR-DOCUMENTDESCRIPTION sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMPROFILE sy-vline 
WA_LCM_DOCUMENT_D_STR-INTERNALDOCUMENTSTATUS sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMSIGNATUREDOCSTATUS sy-vline 
WA_LCM_DOCUMENT_D_STR-DOCUMENTVERSION sy-vline 
WA_LCM_DOCUMENT_D_STR-LEGALDOCUMENTVERSION sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCTYPE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCASSEMBLYSTATUS sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMLONGTEXTUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMLONGTEXT sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMLONGTEXTMIMETYPE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMTMPLUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMVIRTUALDOCVERSKEY sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMVIRTUALDOCSYNCSTS sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCNTXTDOCUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCREATEDFROMDOCUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LEGALDOCUMENTSOURCE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCREFERENCENUMBER sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCLOWTOUCHLEVEL sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCREFRESHSTATUS sy-vline 
WA_LCM_DOCUMENT_D_STR-FILENAME sy-vline 
WA_LCM_DOCUMENT_D_STR-MIMETYPE sy-vline 
WA_LCM_DOCUMENT_D_STR-DOCUMENTINFORECORDDOCTYPE sy-vline 
WA_LCM_DOCUMENT_D_STR-DOCUMENTINFORECORDDOCNUMBER sy-vline 
WA_LCM_DOCUMENT_D_STR-DOCUMENTINFORECORDDOCPART sy-vline 
WA_LCM_DOCUMENT_D_STR-DOCUMENTINFORECORDDOCVERSION sy-vline 
WA_LCM_DOCUMENT_D_STR-LOGICALDOCUMENT sy-vline 
WA_LCM_DOCUMENT_D_STR-PHYSICALDOCUMENT sy-vline 
WA_LCM_DOCUMENT_D_STR-FILEUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCISVERSCREATEENABLE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCUMENTHASSTAMP sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCISCHECKEDIN sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCISCRTESTMPENBLD sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCISFILECHANGED sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMISVARBLPUSHRQD sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCCHECKOUTTIME sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCPREVSTATUS sy-vline 
WA_LCM_DOCUMENT_D_STR-LEGALDOCUMENTCREATEDFROM sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMTMPLNAME sy-vline 
WA_LCM_DOCUMENT_D_STR-ISCLOUDSYSTEM sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCVIRTUALDOCURL sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMVIRTUALDOCDOWNLOADURL sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMGOVLAW sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCONTEXT sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCLOCKEDREASONCODE sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMDOCISTOBEDELETED sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMTMPLID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMCNTXTDOCUMENTID sy-vline 
WA_LCM_DOCUMENT_D_STR-LGLCNTNTMISINTEGRELEVANT sy-vline 
WA_LCM_DOCUMENT_D_STR-ACTIVEUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-HASACTIVEENTITY sy-vline 
WA_LCM_DOCUMENT_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_LCM_DOCUMENT_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_LCM_DOCUMENT_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_LCM_DOCUMENT_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_LCM_DOCUMENT_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_LCM_DOCUMENT_D_STR-DUMMY_LCM_DOCUMENT_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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