ABAP Select data from SAP table IEDVCEICERTFNRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEDVCEICERTFNRY
*  INTO TABLE @DATA(IT_IEDVCEICERTFNRY2).
*--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_IEDVCEICERTFNRY INDEX 1 INTO DATA(WA_IEDVCEICERTFNRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEDVCEICERTFNRY>-MANDT = 1.
<IEDVCEICERTFNRY>-UTILITIESDEVICE = 1.
<IEDVCEICERTFNRY>-UTILSDEVICEVALIDITYENDDATE = 1.
<IEDVCEICERTFNRY>-UTILITIESDEVICECATEGORY = 1.
<IEDVCEICERTFNRY>-ASSETMANUFACTURERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEDVCEICERTFNRY-MANUFACTURERPARTTYPENAME, sy-vline,
  WA_IEDVCEICERTFNRY-MANUFACTURERCOUNTRY, sy-vline,
  WA_IEDVCEICERTFNRY-CONSTRUCTIONYEAR, sy-vline,
  WA_IEDVCEICERTFNRY-SERIALNUMBER, sy-vline,
  WA_IEDVCEICERTFNRY-PLANT, sy-vline,
  WA_IEDVCEICERTFNRY-STORAGELOCATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEDVCEICERTFNRY 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_IEDVCEICERTFNRY 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_IEDVCEICERTFNRY INTO WA_IEDVCEICERTFNRY.


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

*Conversion exit MATN1, internal->external for field UTILITIESDEVICECATEGORY
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IEDVCEICERTFNRY-UTILITIESDEVICECATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEDVCEICERTFNRY-UTILITIESDEVICECATEGORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_IEDVCEICERTFNRY-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEDVCEICERTFNRY-SERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field UTILSDEVICELOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_IEDVCEICERTFNRY-UTILSDEVICELOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEDVCEICERTFNRY-UTILSDEVICELOCATION.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field UTILSDEVICESAMPLELOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IEDVCEICERTFNRY-UTILSDEVICESAMPLELOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEDVCEICERTFNRY-UTILSDEVICESAMPLELOT.
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_IEDVCEICERTFNRY_STR, 
MANDT TYPE STRING,
UTILITIESDEVICE TYPE STRING,
UTILSDEVICEVALIDITYENDDATE TYPE STRING,
UTILITIESDEVICECATEGORY TYPE STRING,
ASSETMANUFACTURERNAME TYPE STRING,
MANUFACTURERPARTTYPENAME TYPE STRING,
MANUFACTURERCOUNTRY TYPE STRING,
CONSTRUCTIONYEAR TYPE STRING,
SERIALNUMBER TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
UTILSDEVICEBSCCATCOMBINATION TYPE STRING,
UTILSDEVICEACTIVITYREASON TYPE STRING,
UTILSDEVICEVALIDITYSTARTDATE TYPE STRING,
UTILSDEVICEINSTALLATIONDATE TYPE STRING,
UTILITIESLOGICALDEVICENUMBER TYPE STRING,
UTILSDEVICELOCATION TYPE STRING,
UTILSDEVICEGROUP TYPE STRING,
UTILITIESPREPAYMENTMETERTYPE TYPE STRING,
ADVANCEDMETERINGSYSTEM TYPE STRING,
UTILSDEVICEINOUTGROUP TYPE STRING,
UTILSDEVICESAMPLELOT TYPE STRING,
UTILSDEVICEINSPRELEVANCECODE TYPE STRING,
UTILSDEVICECERTIFICATIONYEAR TYPE STRING,
UTILSDEVICEADVNCRPLCMTYEAR TYPE STRING,
UTILSDEVICECERTFNSTATUS TYPE STRING,
UTILSDEVICECALIBRNVALDTYISUSED TYPE STRING,
INSTDUTILSDEVICEISCERTIFIABLE TYPE STRING,
UTILSDEVICEINSPECTIONNUMBER TYPE STRING,
DVCEINDIVCERTFNVALDTYINYRS TYPE STRING,
MANUFACTURERSERIALNUMBER TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
DVCEINDIVIDUALCERTFNRPLCMTYEAR TYPE STRING,
DVCESAMPLELOTNEXTDUEYEAR TYPE STRING,
DVCEINTERNALCERTFNRPLCMTYEAR TYPE STRING,
DVCEOLDCERTFNRPLCMTYEAR TYPE STRING,
DVCELOSTCERTFNRPLCMTYEAR TYPE STRING,
DVCEEXTERNALCERTFNRPLCMTYEAR TYPE STRING,
DVCEADVANCEDRPLCMTYEAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEDVCEICERTFNRY_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_IEDVCEICERTFNRY_STR-MANDT sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILITIESDEVICE sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEVALIDITYENDDATE sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILITIESDEVICECATEGORY sy-vline 
WA_IEDVCEICERTFNRY_STR-ASSETMANUFACTURERNAME sy-vline 
WA_IEDVCEICERTFNRY_STR-MANUFACTURERPARTTYPENAME sy-vline 
WA_IEDVCEICERTFNRY_STR-MANUFACTURERCOUNTRY sy-vline 
WA_IEDVCEICERTFNRY_STR-CONSTRUCTIONYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-SERIALNUMBER sy-vline 
WA_IEDVCEICERTFNRY_STR-PLANT sy-vline 
WA_IEDVCEICERTFNRY_STR-STORAGELOCATION sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEBSCCATCOMBINATION sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEACTIVITYREASON sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEVALIDITYSTARTDATE sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEINSTALLATIONDATE sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILITIESLOGICALDEVICENUMBER sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICELOCATION sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEGROUP sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILITIESPREPAYMENTMETERTYPE sy-vline 
WA_IEDVCEICERTFNRY_STR-ADVANCEDMETERINGSYSTEM sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEINOUTGROUP sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICESAMPLELOT sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEINSPRELEVANCECODE sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICECERTIFICATIONYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEADVNCRPLCMTYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICECERTFNSTATUS sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICECALIBRNVALDTYISUSED sy-vline 
WA_IEDVCEICERTFNRY_STR-INSTDUTILSDEVICEISCERTIFIABLE sy-vline 
WA_IEDVCEICERTFNRY_STR-UTILSDEVICEINSPECTIONNUMBER sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCEINDIVCERTFNVALDTYINYRS sy-vline 
WA_IEDVCEICERTFNRY_STR-MANUFACTURERSERIALNUMBER sy-vline 
WA_IEDVCEICERTFNRY_STR-AUTHORIZATIONGROUP sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCEINDIVIDUALCERTFNRPLCMTYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCESAMPLELOTNEXTDUEYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCEINTERNALCERTFNRPLCMTYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCEOLDCERTFNRPLCMTYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCELOSTCERTFNRPLCMTYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCEEXTERNALCERTFNRPLCMTYEAR sy-vline 
WA_IEDVCEICERTFNRY_STR-DVCEADVANCEDRPLCMTYEAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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