ABAP Select data from SAP table ILEGALDOCUMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ILEGALDOCUMENT
*  INTO TABLE @DATA(IT_ILEGALDOCUMENT2).
*--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_ILEGALDOCUMENT INDEX 1 INTO DATA(WA_ILEGALDOCUMENT2).


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

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

ENDLOOP.

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

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


*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_ILEGALDOCUMENT-LGLCNTNTMDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILEGALDOCUMENT-LGLCNTNTMDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field LEGALDOCUMENTVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ILEGALDOCUMENT-LEGALDOCUMENTVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILEGALDOCUMENT-LEGALDOCUMENTVERSION.
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_ILEGALDOCUMENT_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,
LGLCNTNTMDOCCONTENTTYPE TYPE STRING,
LGLCNTNTMLANGUAGE TYPE STRING,
LGLCNTNTMPARENTDOCUMENT TYPE STRING,
LGLCNTNTMCHANGEDBYUSER TYPE STRING,
LGLCNTNTMCHANGEDUTCDATETIME TYPE STRING,
LGLCNTNTMCREATEDBYUSER TYPE STRING,
LGLCNTNTMCREATEDUTCDATETIME TYPE STRING,
DOCUMENTDESCRIPTION TYPE STRING,
LGLCNTNTMPARENTDOCLINKDOBJECT TYPE STRING,
LGLCNTNTMPARENTDOCLINKDOBJKEY TYPE STRING,
LGLCNTNTMLONGTEXTUUID TYPE STRING,
LGLCNTNTMISMANDATORY TYPE STRING,
LGLCNTNTMDOCACCESSLVL TYPE STRING,
INTERNALDOCUMENTSTATUS TYPE STRING,
LGLCNTNTMSIGNATUREDOCSTATUS TYPE STRING,
DOCUMENTVERSION TYPE STRING,
LEGALDOCUMENTVERSION TYPE STRING,
LGLCNTNTMDOCTYPE TYPE STRING,
LGLCNTNTMTMPLUUID TYPE STRING,
LEGALDOCUMENTSOURCE TYPE STRING,
LGLCNTNTMAGINGTEMPERATURE TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
LGLCNTNTMVIRTUALDOCVERSKEY TYPE STRING,
LGLCNTNTMVIRTUALDOCSYNCSTS TYPE STRING,
LGLCNTNTMCNTXTDOCUUID TYPE STRING,
LGLCNTNTMDOCISTOBEDELETED TYPE STRING,
LGLCNTNTMDOCREFERENCENUMBER TYPE STRING,
LGLCNTNTMCNTXTDOCUMENTID TYPE STRING,
LGLCNTNTMISINTEGRELEVANT TYPE STRING,
LGLCNTNTMDOCLOWTOUCHLEVEL TYPE STRING,
LGLCNTNTMCREATEDFROMDOCUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ILEGALDOCUMENT_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_ILEGALDOCUMENT_STR-MANDT sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCUMENTUUID sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCUMENT sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCUMENTLINKEDOBJECT sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCUMENTLINKEDOBJKEY sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCUMENTISTOPVERSION sy-vline 
WA_ILEGALDOCUMENT_STR-LEGALTRANSACTION sy-vline 
WA_ILEGALDOCUMENT_STR-LEGALTRANSACTIONUUID sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCCONTENTTYPE sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMLANGUAGE sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMPARENTDOCUMENT sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCHANGEDBYUSER sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCHANGEDUTCDATETIME sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCREATEDBYUSER sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCREATEDUTCDATETIME sy-vline 
WA_ILEGALDOCUMENT_STR-DOCUMENTDESCRIPTION sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMPARENTDOCLINKDOBJECT sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMPARENTDOCLINKDOBJKEY sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMLONGTEXTUUID sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMISMANDATORY sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCACCESSLVL sy-vline 
WA_ILEGALDOCUMENT_STR-INTERNALDOCUMENTSTATUS sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMSIGNATUREDOCSTATUS sy-vline 
WA_ILEGALDOCUMENT_STR-DOCUMENTVERSION sy-vline 
WA_ILEGALDOCUMENT_STR-LEGALDOCUMENTVERSION sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCTYPE sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMTMPLUUID sy-vline 
WA_ILEGALDOCUMENT_STR-LEGALDOCUMENTSOURCE sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMAGINGTEMPERATURE sy-vline 
WA_ILEGALDOCUMENT_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMVIRTUALDOCVERSKEY sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMVIRTUALDOCSYNCSTS sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCNTXTDOCUUID sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCISTOBEDELETED sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCREFERENCENUMBER sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCNTXTDOCUMENTID sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMISINTEGRELEVANT sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMDOCLOWTOUCHLEVEL sy-vline 
WA_ILEGALDOCUMENT_STR-LGLCNTNTMCREATEDFROMDOCUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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