ABAP Select data from SAP table UKM_CLR_ATTR_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP UKM_CLR_ATTR_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 UKM_CLR_ATTR_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 UKM_CLR_ATTR_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_UKM_CLR_ATTR_D TYPE STANDARD TABLE OF UKM_CLR_ATTR_D,
      WA_UKM_CLR_ATTR_D TYPE UKM_CLR_ATTR_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: <UKM_CLR_ATTR_D> TYPE UKM_CLR_ATTR_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UKM_CLR_ATTR_D
*  INTO TABLE @DATA(IT_UKM_CLR_ATTR_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_UKM_CLR_ATTR_D INDEX 1 INTO DATA(WA_UKM_CLR_ATTR_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UKM_CLR_ATTR_D>-MANDT = 1.
<UKM_CLR_ATTR_D>-CASEUUID = 1.
<UKM_CLR_ATTR_D>-CASEID = 1.
<UKM_CLR_ATTR_D>-BUSINESSPARTNER = 1.
<UKM_CLR_ATTR_D>-CREDITSEGMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UKM_CLR_ATTR_D-CASEPROCESSOR, sy-vline,
  WA_UKM_CLR_ATTR_D-CASERESPONSIBLE, sy-vline,
  WA_UKM_CLR_ATTR_D-CASEEXTERNALREFERENCE, sy-vline,
  WA_UKM_CLR_ATTR_D-CASETITLE, sy-vline,
  WA_UKM_CLR_ATTR_D-CASECREATEDBY, sy-vline,
  WA_UKM_CLR_ATTR_D-CREDITCASECREATIONDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UKM_CLR_ATTR_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_UKM_CLR_ATTR_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_UKM_CLR_ATTR_D INTO WA_UKM_CLR_ATTR_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 CASEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UKM_CLR_ATTR_D-CASEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UKM_CLR_ATTR_D-CASEID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UKM_CLR_ATTR_D-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UKM_CLR_ATTR_D-BUSINESSPARTNER.
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_UKM_CLR_ATTR_D_STR, 
MANDT TYPE STRING,
CASEUUID TYPE STRING,
CASEID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CREDITSEGMENT TYPE STRING,
CASEPROCESSOR TYPE STRING,
CASERESPONSIBLE TYPE STRING,
CASEEXTERNALREFERENCE TYPE STRING,
CASETITLE TYPE STRING,
CASECREATEDBY TYPE STRING,
CREDITCASECREATIONDATETIME TYPE STRING,
CASELASTCHANGEDBY TYPE STRING,
CREDITCASELASTCHANGEDATETIME TYPE STRING,
CASECLOSEDBY TYPE STRING,
CREDITCASECLOSEDATETIME TYPE STRING,
CASEPLANNEDCLOSEDATE TYPE STRING,
CASEREASON TYPE STRING,
CASETYPE TYPE STRING,
CASESTATUSPROFILE TYPE STRING,
CASESTATUS TYPE STRING,
CASESYSTEMSTATUS TYPE STRING,
CASEPRIORITY TYPE STRING,
CASEAUTHORIZATIONLEVEL TYPE STRING,
CASEESCALATIONREASON TYPE STRING,
CASECATEGORY TYPE STRING,
CASESTATUSOBJECTNUMBER TYPE STRING,
CASESYSTEMSTATUSNAME TYPE STRING,
CASEUSERSTATUSNAME TYPE STRING,
CREDITLIMITUTILIZATIONPCT TYPE STRING,
BUSINESSPARTNERRATING TYPE STRING,
CREDITRISKCLASS TYPE STRING,
CRDTMGMTBUSINESSPARTNERGROUP TYPE STRING,
CREDITSEGMENTCURRENCY TYPE STRING,
CREDITLIMITAMOUNT TYPE STRING,
CREDITLIMITREQUESTEDAMOUNT TYPE STRING,
CREDITLIMITAPPROVEDAMOUNT TYPE STRING,
EXPECTEDSALESAMOUNT TYPE STRING,
CUSTOMERCREDITEXPOSUREAMOUNT TYPE STRING,
CREDITLIMITVALIDITYENDDATE TYPE STRING,
CREDITCOORDINATOR TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,
DUMMY_CLR_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UKM_CLR_ATTR_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_UKM_CLR_ATTR_D_STR-MANDT sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEUUID sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEID sy-vline 
WA_UKM_CLR_ATTR_D_STR-BUSINESSPARTNER sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITSEGMENT sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEPROCESSOR sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASERESPONSIBLE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEEXTERNALREFERENCE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASETITLE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASECREATEDBY sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITCASECREATIONDATETIME sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASELASTCHANGEDBY sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITCASELASTCHANGEDATETIME sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASECLOSEDBY sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITCASECLOSEDATETIME sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEPLANNEDCLOSEDATE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEREASON sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASETYPE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASESTATUSPROFILE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASESTATUS sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASESYSTEMSTATUS sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEPRIORITY sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEAUTHORIZATIONLEVEL sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEESCALATIONREASON sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASECATEGORY sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASESTATUSOBJECTNUMBER sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASESYSTEMSTATUSNAME sy-vline 
WA_UKM_CLR_ATTR_D_STR-CASEUSERSTATUSNAME sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITLIMITUTILIZATIONPCT sy-vline 
WA_UKM_CLR_ATTR_D_STR-BUSINESSPARTNERRATING sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITRISKCLASS sy-vline 
WA_UKM_CLR_ATTR_D_STR-CRDTMGMTBUSINESSPARTNERGROUP sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITSEGMENTCURRENCY sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITLIMITAMOUNT sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITLIMITREQUESTEDAMOUNT sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITLIMITAPPROVEDAMOUNT sy-vline 
WA_UKM_CLR_ATTR_D_STR-EXPECTEDSALESAMOUNT sy-vline 
WA_UKM_CLR_ATTR_D_STR-CUSTOMERCREDITEXPOSUREAMOUNT sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITLIMITVALIDITYENDDATE sy-vline 
WA_UKM_CLR_ATTR_D_STR-CREDITCOORDINATOR sy-vline 
WA_UKM_CLR_ATTR_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_UKM_CLR_ATTR_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_UKM_CLR_ATTR_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_UKM_CLR_ATTR_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_UKM_CLR_ATTR_D_STR-HASACTIVEENTITY sy-vline 
WA_UKM_CLR_ATTR_D_STR-DRAFTFIELDCHANGES sy-vline 
WA_UKM_CLR_ATTR_D_STR-DUMMY_CLR_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.