ABAP Select data from SAP table ISTRDCMPLNCLICENSETP6 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISTRDCMPLNCLICENSETP6 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 ISTRDCMPLNCLICENSETP6. 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 ISTRDCMPLNCLICENSETP6 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_ISTRDCMPLNCLICENSETP6 TYPE STANDARD TABLE OF ISTRDCMPLNCLICENSETP6,
      WA_ISTRDCMPLNCLICENSETP6 TYPE ISTRDCMPLNCLICENSETP6,
      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: <ISTRDCMPLNCLICENSETP6> TYPE ISTRDCMPLNCLICENSETP6.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISTRDCMPLNCLICENSETP6.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISTRDCMPLNCLICENSETP6
  INTO TABLE IT_ISTRDCMPLNCLICENSETP6.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISTRDCMPLNCLICENSETP6
*  INTO TABLE @DATA(IT_ISTRDCMPLNCLICENSETP62).
*--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_ISTRDCMPLNCLICENSETP6 INDEX 1 INTO DATA(WA_ISTRDCMPLNCLICENSETP62).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISTRDCMPLNCLICENSETP6 ASSIGNING <ISTRDCMPLNCLICENSETP6>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISTRDCMPLNCLICENSETP6>-KEY = 1.
<ISTRDCMPLNCLICENSETP6>-PARENT_KEY = 1.
<ISTRDCMPLNCLICENSETP6>-ROOT_KEY = 1.
<ISTRDCMPLNCLICENSETP6>-LEGALREGULATION = 1.
<ISTRDCMPLNCLICENSETP6>-TRDCMPLNCLICENSETYPE = 1.

ENDLOOP.

LOOP AT IT_ISTRDCMPLNCLICENSETP6 INTO WA_ISTRDCMPLNCLICENSETP6.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSE, sy-vline,
  WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSEUUID, sy-vline,
  WA_ISTRDCMPLNCLICENSETP6-EXTTRDCMPLNCLICENSE, sy-vline,
  WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSEOWNER, sy-vline,
  WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSESTATUS, sy-vline,
  WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSECATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISTRDCMPLNCLICENSETP6 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_ISTRDCMPLNCLICENSETP6 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_ISTRDCMPLNCLICENSETP6 INTO WA_ISTRDCMPLNCLICENSETP6.


*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 TRDCMPLNCLICENSE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TRDCMPLNCLICENSEDEPRUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSEDEPRUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISTRDCMPLNCLICENSETP6-TRDCMPLNCLICENSEDEPRUNIT.
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_ISTRDCMPLNCLICENSETP6_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
LEGALREGULATION TYPE STRING,
TRDCMPLNCLICENSETYPE TYPE STRING,
TRDCMPLNCLICENSE TYPE STRING,
TRDCMPLNCLICENSEUUID TYPE STRING,
EXTTRDCMPLNCLICENSE TYPE STRING,
TRDCMPLNCLICENSEOWNER TYPE STRING,
TRDCMPLNCLICENSESTATUS TYPE STRING,
TRDCMPLNCLICENSECATEGORY TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
TRDCMPLNCLICENSEREMARK TYPE STRING,
TRDCMPLNCLICENSEISMILITARYSCTR TYPE STRING,
TRDCMPLNCLICENSEISNUCLEARSCTR TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
TRDCMPLNCLICENSEMAXAMOUNT TYPE STRING,
TRDCMPLNCLICENSEDEPRCURRENCY TYPE STRING,
TRDCMPLNCLICENSEAMTEXCDPCT TYPE STRING,
TRDCMPLNCLICENSEMAXQUANTITY TYPE STRING,
TRDCMPLNCLICENSEDEPRUNIT TYPE STRING,
TRDCMPLNCLICENSEQTYEXCDPCT TYPE STRING,
TRDCMPLNCLICENSEAMTASSGMTLVL TYPE STRING,
TRDCMPLNCLICENSEQTYASSGMTLVL TYPE STRING,
TRDCMPLNCLICMAXAMTISLICENSE TYPE STRING,
TRDCMPLNCLICMAXQTYISLICENSE TYPE STRING,
TRDCMPLNCLICENSEHASPRODUCT TYPE STRING,
TRDCMPLNCLICENSEHASCTRLCL TYPE STRING,
TRDCMPLNCLICENSEHASCTRLGRPG TYPE STRING,
TRDCMPLNCLICENSEHASCMMDTYCODE TYPE STRING,
TRDCMPLNCLICENSEHASCOUNTRY TYPE STRING,
TRDCMPLNCLICENSEHASDOCUMENT TYPE STRING,
TRDCMPLNCLICENSEHASBP TYPE STRING,
TRDCMPLNCLICENSEHASCOMPANYCODE TYPE STRING,
TRDCMPLNCLICENSEHASPLANT TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISTRDCMPLNCLICENSETP6_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_ISTRDCMPLNCLICENSETP6_STR-KEY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-PARENT_KEY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-ROOT_KEY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-LEGALREGULATION sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSETYPE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEUUID sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-EXTTRDCMPLNCLICENSE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEOWNER sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSESTATUS sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSECATEGORY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-VALIDITYSTARTDATE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-VALIDITYENDDATE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEREMARK sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEISMILITARYSCTR sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEISNUCLEARSCTR sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-CREATEDBYUSER sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-CREATIONDATETIME sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-LASTCHANGEDATETIME sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEMAXAMOUNT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEDEPRCURRENCY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEAMTEXCDPCT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEMAXQUANTITY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEDEPRUNIT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEQTYEXCDPCT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEAMTASSGMTLVL sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEQTYASSGMTLVL sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICMAXAMTISLICENSE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICMAXQTYISLICENSE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASPRODUCT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASCTRLCL sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASCTRLGRPG sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASCMMDTYCODE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASCOUNTRY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASDOCUMENT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASBP sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASCOMPANYCODE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-TRDCMPLNCLICENSEHASPLANT sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-HASACTIVEENTITY sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISTRDCMPLNCLICENSETP6_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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