ABAP Select data from SAP table /PLMI/SW_CSTRT_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMI/SW_CSTRT_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 /PLMI/SW_CSTRT_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 /PLMI/SW_CSTRT_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_/PLMI/SW_CSTRT_D TYPE STANDARD TABLE OF /PLMI/SW_CSTRT_D,
      WA_/PLMI/SW_CSTRT_D TYPE /PLMI/SW_CSTRT_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: </PLMI/SW_CSTRT_D> TYPE /PLMI/SW_CSTRT_D.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMI/SW_CSTRT_D
  INTO TABLE IT_/PLMI/SW_CSTRT_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMI/SW_CSTRT_D
*  INTO TABLE @DATA(IT_/PLMI/SW_CSTRT_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_/PLMI/SW_CSTRT_D INDEX 1 INTO DATA(WA_/PLMI/SW_CSTRT_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMI/SW_CSTRT_D ASSIGNING </PLMI/SW_CSTRT_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMI/SW_CSTRT_D>-CLIENT = 1.
</PLMI/SW_CSTRT_D>-PRODUCTSTRUCTURENODEUUID = 1.
</PLMI/SW_CSTRT_D>-EMBEDDEDSWSOFTWAREMATERIAL = 1.
</PLMI/SW_CSTRT_D>-SOFTWAREMODULETYPE = 1.
</PLMI/SW_CSTRT_D>-DOCUMENTTYPE = 1.

ENDLOOP.

LOOP AT IT_/PLMI/SW_CSTRT_D INTO WA_/PLMI/SW_CSTRT_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMI/SW_CSTRT_D-DOCNUMBER, sy-vline,
  WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWFROMVERSION, sy-vline,
  WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWTOVERSION, sy-vline,
  WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWCONSTRAINTRULE, sy-vline,
  WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWCONSTRAINTOBJECTTYPE, sy-vline,
  WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWHARDWAREMATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMI/SW_CSTRT_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_/PLMI/SW_CSTRT_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_/PLMI/SW_CSTRT_D INTO WA_/PLMI/SW_CSTRT_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 EMBEDDEDSWSOFTWAREMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWSOFTWAREMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWSOFTWAREMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field EMBEDDEDSWHARDWAREMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWHARDWAREMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/SW_CSTRT_D-EMBEDDEDSWHARDWAREMATERIAL.
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_/PLMI/SW_CSTRT_D_STR, 
CLIENT TYPE STRING,
PRODUCTSTRUCTURENODEUUID TYPE STRING,
EMBEDDEDSWSOFTWAREMATERIAL TYPE STRING,
SOFTWAREMODULETYPE TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCNUMBER TYPE STRING,
EMBEDDEDSWFROMVERSION TYPE STRING,
EMBEDDEDSWTOVERSION TYPE STRING,
EMBEDDEDSWCONSTRAINTRULE TYPE STRING,
EMBEDDEDSWCONSTRAINTOBJECTTYPE TYPE STRING,
EMBEDDEDSWHARDWAREMATERIAL TYPE STRING,
EMBEDDEDSWSOFTWAREMINVERSION TYPE STRING,
EMBEDDEDSWSOFTWAREMAXVERSION TYPE STRING,
EMBEDDEDSWHARDWAREMATERIALDESC TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
EMBEDDEDSOFTWAREETAG TYPE STRING,
EMBEDDEDSOFTWARETIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMI/SW_CSTRT_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_/PLMI/SW_CSTRT_D_STR-CLIENT sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-PRODUCTSTRUCTURENODEUUID sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWSOFTWAREMATERIAL sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-SOFTWAREMODULETYPE sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-DOCUMENTTYPE sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-DOCNUMBER sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWFROMVERSION sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWTOVERSION sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWCONSTRAINTRULE sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWCONSTRAINTOBJECTTYPE sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWHARDWAREMATERIAL sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWSOFTWAREMINVERSION sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWSOFTWAREMAXVERSION sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSWHARDWAREMATERIALDESC sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-CREATIONDATE sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-CREATEDBYUSER sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-LASTCHANGEDATE sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-LASTCHANGEDBYUSER sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSOFTWAREETAG sy-vline 
WA_/PLMI/SW_CSTRT_D_STR-EMBEDDEDSOFTWARETIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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