ABAP Select data from SAP table PLMCRREFPLS_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PLMCRREFPLS_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 PLMCRREFPLS_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 PLMCRREFPLS_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_PLMCRREFPLS_D TYPE STANDARD TABLE OF PLMCRREFPLS_D,
      WA_PLMCRREFPLS_D TYPE PLMCRREFPLS_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: <PLMCRREFPLS_D> TYPE PLMCRREFPLS_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMCRREFPLS_D
*  INTO TABLE @DATA(IT_PLMCRREFPLS_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_PLMCRREFPLS_D INDEX 1 INTO DATA(WA_PLMCRREFPLS_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMCRREFPLS_D>-MANDT = 1.
<PLMCRREFPLS_D>-CHANGERECORDREFERENCEUUID = 1.
<PLMCRREFPLS_D>-DOCUMENTID = 1.
<PLMCRREFPLS_D>-SOURCEMATERIAL = 1.
<PLMCRREFPLS_D>-SOURCEPLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMCRREFPLS_D-SOURCEBOMUSAGE, sy-vline,
  WA_PLMCRREFPLS_D-SOURCEBOMALTERNATIVE, sy-vline,
  WA_PLMCRREFPLS_D-PLANNINGSCOPEALTERNATIVE, sy-vline,
  WA_PLMCRREFPLS_D-PLANNINGSCOPEDESCRIPTION, sy-vline,
  WA_PLMCRREFPLS_D-CHANGERECORDUUID, sy-vline,
  WA_PLMCRREFPLS_D-CHANGERECORDREFERENCETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMCRREFPLS_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_PLMCRREFPLS_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_PLMCRREFPLS_D INTO WA_PLMCRREFPLS_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 MATN1, internal->external for field SOURCEMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PLMCRREFPLS_D-SOURCEMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMCRREFPLS_D-SOURCEMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field REFISSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PLMCRREFPLS_D-REFISSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PLMCRREFPLS_D-REFISSID.
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_PLMCRREFPLS_D_STR, 
MANDT TYPE STRING,
CHANGERECORDREFERENCEUUID TYPE STRING,
DOCUMENTID TYPE STRING,
SOURCEMATERIAL TYPE STRING,
SOURCEPLANT TYPE STRING,
SOURCEBOMUSAGE TYPE STRING,
SOURCEBOMALTERNATIVE TYPE STRING,
PLANNINGSCOPEALTERNATIVE TYPE STRING,
PLANNINGSCOPEDESCRIPTION TYPE STRING,
CHANGERECORDUUID TYPE STRING,
CHANGERECORDREFERENCETYPE TYPE STRING,
CHANGERECORDREFERENCESUBTYPE TYPE STRING,
CHANGERECORDREFOBJECTUUID TYPE STRING,
CHANGERECORDREFERENCE TYPE STRING,
PARENTCHANGERECORDREFUUID TYPE STRING,
ISMAINREFERENCE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CHANGERECORDITEMRELEVANCE TYPE STRING,
CHANGERECORDVIRTUALREFIND TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
I_OBJ_REF TYPE STRING,
ISREF TYPE STRING,
REFISSID TYPE STRING,
PO_DETAILS TYPE STRING,
REFERENCE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PLMCRREFPLS_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_PLMCRREFPLS_D_STR-MANDT sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDREFERENCEUUID sy-vline 
WA_PLMCRREFPLS_D_STR-DOCUMENTID sy-vline 
WA_PLMCRREFPLS_D_STR-SOURCEMATERIAL sy-vline 
WA_PLMCRREFPLS_D_STR-SOURCEPLANT sy-vline 
WA_PLMCRREFPLS_D_STR-SOURCEBOMUSAGE sy-vline 
WA_PLMCRREFPLS_D_STR-SOURCEBOMALTERNATIVE sy-vline 
WA_PLMCRREFPLS_D_STR-PLANNINGSCOPEALTERNATIVE sy-vline 
WA_PLMCRREFPLS_D_STR-PLANNINGSCOPEDESCRIPTION sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDUUID sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDREFERENCETYPE sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDREFERENCESUBTYPE sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDREFOBJECTUUID sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDREFERENCE sy-vline 
WA_PLMCRREFPLS_D_STR-PARENTCHANGERECORDREFUUID sy-vline 
WA_PLMCRREFPLS_D_STR-ISMAINREFERENCE sy-vline 
WA_PLMCRREFPLS_D_STR-CREATEDBYUSER sy-vline 
WA_PLMCRREFPLS_D_STR-CREATIONDATETIME sy-vline 
WA_PLMCRREFPLS_D_STR-LASTCHANGEDBYUSER sy-vline 
WA_PLMCRREFPLS_D_STR-LASTCHANGEDATETIME sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDITEMRELEVANCE sy-vline 
WA_PLMCRREFPLS_D_STR-CHANGERECORDVIRTUALREFIND sy-vline 
WA_PLMCRREFPLS_D_STR-ACTIVEUUID sy-vline 
WA_PLMCRREFPLS_D_STR-HASACTIVEENTITY sy-vline 
WA_PLMCRREFPLS_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_PLMCRREFPLS_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_PLMCRREFPLS_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_PLMCRREFPLS_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_PLMCRREFPLS_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_PLMCRREFPLS_D_STR-I_OBJ_REF sy-vline 
WA_PLMCRREFPLS_D_STR-ISREF sy-vline 
WA_PLMCRREFPLS_D_STR-REFISSID sy-vline 
WA_PLMCRREFPLS_D_STR-PO_DETAILS sy-vline 
WA_PLMCRREFPLS_D_STR-REFERENCE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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