ABAP Select data from SAP table ILEGALTRANSAGGR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ILEGALTRANSAGGR
*  INTO TABLE @DATA(IT_ILEGALTRANSAGGR2).
*--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_ILEGALTRANSAGGR INDEX 1 INTO DATA(WA_ILEGALTRANSAGGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ILEGALTRANSAGGR>-MANDT = 1.
<ILEGALTRANSAGGR>-LEGALTRANSACTIONUUID = 1.
<ILEGALTRANSAGGR>-LEGALTRANSACTION = 1.
<ILEGALTRANSAGGR>-LEGALTRANSACTIONHEALTH = 1.
<ILEGALTRANSAGGR>-LGLTRANSHEALTHCRITICALITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ILEGALTRANSAGGR-LGLCNTNTMDOCEDITENABLED, sy-vline,
  WA_ILEGALTRANSAGGR-CHANGEDOCOBJECT, sy-vline,
  WA_ILEGALTRANSAGGR-LGLCNTNTMDOCCREATEENABLED, sy-vline,
  WA_ILEGALTRANSAGGR-LGLCNTNTMSGNTRISDISABLED, sy-vline,
  WA_ILEGALTRANSAGGR-LGLCNTNTMGMTDOCUSIGNISENABLED, sy-vline,
  WA_ILEGALTRANSAGGR-LGLCNTNTMSGNTRISAUTHFORSNDG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ILEGALTRANSAGGR 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_ILEGALTRANSAGGR 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_ILEGALTRANSAGGR INTO WA_ILEGALTRANSAGGR.


*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 LEGALTRANSACTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ILEGALTRANSAGGR-LEGALTRANSACTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILEGALTRANSAGGR-LEGALTRANSACTION.
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_ILEGALTRANSAGGR_STR, 
MANDT TYPE STRING,
LEGALTRANSACTIONUUID TYPE STRING,
LEGALTRANSACTION TYPE STRING,
LEGALTRANSACTIONHEALTH TYPE STRING,
LGLTRANSHEALTHCRITICALITY TYPE STRING,
LGLCNTNTMDOCEDITENABLED TYPE STRING,
CHANGEDOCOBJECT TYPE STRING,
LGLCNTNTMDOCCREATEENABLED TYPE STRING,
LGLCNTNTMSGNTRISDISABLED TYPE STRING,
LGLCNTNTMGMTDOCUSIGNISENABLED TYPE STRING,
LGLCNTNTMSGNTRISAUTHFORSNDG TYPE STRING,
LGLCNTNTMSGNTRISAUTHFORCANCEL TYPE STRING,
LGLTRANSWRKFLWBUTTONISENABLED TYPE STRING,
LGLCNTNTMPROFILE TYPE STRING,
LEGALTRANSACTIONSOURCE TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
LGLTRANSACCESSLVL TYPE STRING,
LGLCNTNTMMAINORGCOCODE TYPE STRING,
LGLCNTNTMMAINORGSALESORG TYPE STRING,
LGLCNTNTMMAINORGPURORG TYPE STRING,
LGLCNTNTMMAINORGTYPE TYPE STRING,
LGLCNTNTMMAINORG TYPE STRING,
LGLCNTNTMMAINORGNAME TYPE STRING,
LGLCNTNTMNUMERATOR TYPE STRING,
LGLCNTNTMFILTERENTITY TYPE STRING,
LGLCNTNTMFILTERCATEGORY TYPE STRING,
LGLCNTNTMINTCNTCTUSER TYPE STRING,
LGLCNTNTMINTCNTCTTYPE TYPE STRING,
LGLCNTNTMDATETYPE TYPE STRING,
LGLCNTNTMFROMDATE TYPE STRING,
LGLCNTNTMTODATE TYPE STRING,
LGLCNTNTMISMAINENTITY TYPE STRING,
LGLCNTNTMENTITYTYPE TYPE STRING,
LGLCNTNTMLINKDOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ILEGALTRANSAGGR_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_ILEGALTRANSAGGR_STR-MANDT sy-vline 
WA_ILEGALTRANSAGGR_STR-LEGALTRANSACTIONUUID sy-vline 
WA_ILEGALTRANSAGGR_STR-LEGALTRANSACTION sy-vline 
WA_ILEGALTRANSAGGR_STR-LEGALTRANSACTIONHEALTH sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLTRANSHEALTHCRITICALITY sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMDOCEDITENABLED sy-vline 
WA_ILEGALTRANSAGGR_STR-CHANGEDOCOBJECT sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMDOCCREATEENABLED sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMSGNTRISDISABLED sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMGMTDOCUSIGNISENABLED sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMSGNTRISAUTHFORSNDG sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMSGNTRISAUTHFORCANCEL sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLTRANSWRKFLWBUTTONISENABLED sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMPROFILE sy-vline 
WA_ILEGALTRANSAGGR_STR-LEGALTRANSACTIONSOURCE sy-vline 
WA_ILEGALTRANSAGGR_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLTRANSACCESSLVL sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMMAINORGCOCODE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMMAINORGSALESORG sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMMAINORGPURORG sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMMAINORGTYPE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMMAINORG sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMMAINORGNAME sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMNUMERATOR sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMFILTERENTITY sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMFILTERCATEGORY sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMINTCNTCTUSER sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMINTCNTCTTYPE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMDATETYPE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMFROMDATE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMTODATE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMISMAINENTITY sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMENTITYTYPE sy-vline 
WA_ILEGALTRANSAGGR_STR-LGLCNTNTMLINKDOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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