ABAP Select data from SAP table EHFNDS_API_COMPONENT_PRODN_BO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_API_COMPONENT_PRODN_BO
*  INTO TABLE @DATA(IT_EHFNDS_API_COMPONENT_PRODN_BO2).
*--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_EHFNDS_API_COMPONENT_PRODN_BO INDEX 1 INTO DATA(WA_EHFNDS_API_COMPONENT_PRODN_BO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_API_COMPONENT_PRODN_BO>-KEY = 1.
<EHFNDS_API_COMPONENT_PRODN_BO>-PARENT_KEY = 1.
<EHFNDS_API_COMPONENT_PRODN_BO>-ROOT_KEY = 1.
<EHFNDS_API_COMPONENT_PRODN_BO>-ACTIVEMATLBSDCOMPUUID = 1.
<EHFNDS_API_COMPONENT_PRODN_BO>-CHMLCMPLNCINFOUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_API_COMPONENT_PRODN_BO-CREATIONUTCDATETIME, sy-vline,
  WA_EHFNDS_API_COMPONENT_PRODN_BO-CREATEDBYUSER, sy-vline,
  WA_EHFNDS_API_COMPONENT_PRODN_BO-LASTCHANGEUTCDATETIME, sy-vline,
  WA_EHFNDS_API_COMPONENT_PRODN_BO-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDS_API_COMPONENT_PRODN_BO-MATLBSDCOMPPRODUCTIONTYPE, sy-vline,
  WA_EHFNDS_API_COMPONENT_PRODN_BO-COMPCHMLCMPLNCINFOUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_API_COMPONENT_PRODN_BO 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_EHFNDS_API_COMPONENT_PRODN_BO 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_EHFNDS_API_COMPONENT_PRODN_BO INTO WA_EHFNDS_API_COMPONENT_PRODN_BO.


*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 CUNIT, internal->external for field CHMLCOMPQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_API_COMPONENT_PRODN_BO-CHMLCOMPQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_API_COMPONENT_PRODN_BO-CHMLCOMPQTYUNIT.
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_EHFNDS_API_COMPONENT_PRODN_BO_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
ACTIVEMATLBSDCOMPUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
MATLBSDCOMPPRODUCTIONTYPE TYPE STRING,
COMPCHMLCMPLNCINFOUUID TYPE STRING,
CHMLCOMPQTY TYPE STRING,
CHMLCOMPQTYASTEXT TYPE STRING,
CHMLCOMPQTYUNIT TYPE STRING,
CHMLCOMPOPERATORLOWERLIMIT TYPE STRING,
CHMLCOMPQTYLOWERLIMIT TYPE STRING,
CHMLCOMPQTYLOWERLIMITASTEXT TYPE STRING,
CHMLCOMPOPERATORUPPERLIMIT TYPE STRING,
CHMLCOMPQTYUPPERLIMIT TYPE STRING,
CHMLCOMPQTYUPPERLIMITASTEXT TYPE STRING,
CHMLCOMPISREMOVED TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,
SUBSTANCEUUID TYPE STRING,
CHMLCOMPTYPE TYPE STRING,
CHMLCOMPISNOTCONTAINED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_API_COMPONENT_PRODN_BO_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_EHFNDS_API_COMPONENT_PRODN_BO_STR-KEY sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-PARENT_KEY sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-ROOT_KEY sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-ACTIVEMATLBSDCOMPUUID sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CREATEDBYUSER sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-MATLBSDCOMPPRODUCTIONTYPE sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-COMPCHMLCMPLNCINFOUUID sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTY sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTYASTEXT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTYUNIT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPOPERATORLOWERLIMIT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTYLOWERLIMIT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTYLOWERLIMITASTEXT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPOPERATORUPPERLIMIT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTYUPPERLIMIT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPQTYUPPERLIMITASTEXT sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPISREMOVED sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-ACTIVEUUID sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-HASACTIVEENTITY sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-ISACTIVEENTITY sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-SUBSTANCEUUID sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPTYPE sy-vline 
WA_EHFNDS_API_COMPONENT_PRODN_BO_STR-CHMLCOMPISNOTCONTAINED sy-vline      INTO ld_text SEPARATED BY SPACE.

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