ABAP Select data from SAP table CTECHOBJNOTIF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTECHOBJNOTIF
*  INTO TABLE @DATA(IT_CTECHOBJNOTIF2).
*--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_CTECHOBJNOTIF INDEX 1 INTO DATA(WA_CTECHOBJNOTIF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTECHOBJNOTIF>-MANDT = 1.
<CTECHOBJNOTIF>-MAINTENANCENOTIFICATION = 1.
<CTECHOBJNOTIF>-EQUIPMENT = 1.
<CTECHOBJNOTIF>-FUNCTIONALLOCATION = 1.
<CTECHOBJNOTIF>-TECHOBJECTWITHLEADINGZEROS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTECHOBJNOTIF-TECHOBJISEQUIPORFUNCNLLOC, sy-vline,
  WA_CTECHOBJNOTIF-TECHNICALOBJECT, sy-vline,
  WA_CTECHOBJNOTIF-TECHNICALOBJECTDESCRIPTION, sy-vline,
  WA_CTECHOBJNOTIF-TECHOBJISEQUIPORFUNCNLLOCDESC, sy-vline,
  WA_CTECHOBJNOTIF-TECHNICALOBJECTCATEGORY, sy-vline,
  WA_CTECHOBJNOTIF-TECHNICALOBJECTCATEGORYDESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTECHOBJNOTIF 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_CTECHOBJNOTIF 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_CTECHOBJNOTIF INTO WA_CTECHOBJNOTIF.


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

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

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

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CTECHOBJNOTIF-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTECHOBJNOTIF-COSTCENTER.
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_CTECHOBJNOTIF_STR, 
MANDT TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
EQUIPMENT TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
TECHOBJECTWITHLEADINGZEROS TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
TECHNICALOBJECT TYPE STRING,
TECHNICALOBJECTDESCRIPTION TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOCDESC TYPE STRING,
TECHNICALOBJECTCATEGORY TYPE STRING,
TECHNICALOBJECTCATEGORYDESC TYPE STRING,
TECHNICALOBJECTTYPE TYPE STRING,
TECHNICALOBJECTTYPEDESC TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
ASSETMANUFACTURERNAME TYPE STRING,
MANUFACTURERPARTTYPENAME TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINWORKCENTER TYPE STRING,
MAINTENANCEWORKCENTER TYPE STRING,
MAINTENANCEPLANT TYPE STRING,
PLANTSECTION TYPE STRING,
ASSETLOCATION TYPE STRING,
MAINTOBJECTFREEDEFINEDATTRIB TYPE STRING,
BUSINESSAREA TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
COMPANYCODE TYPE STRING,
DIVISION TYPE STRING,
ASSETROOM TYPE STRING,
ABCINDICATOR TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
CATALOGPROFILE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTECHOBJNOTIF_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_CTECHOBJNOTIF_STR-MANDT sy-vline 
WA_CTECHOBJNOTIF_STR-MAINTENANCENOTIFICATION sy-vline 
WA_CTECHOBJNOTIF_STR-EQUIPMENT sy-vline 
WA_CTECHOBJNOTIF_STR-FUNCTIONALLOCATION sy-vline 
WA_CTECHOBJNOTIF_STR-TECHOBJECTWITHLEADINGZEROS sy-vline 
WA_CTECHOBJNOTIF_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_CTECHOBJNOTIF_STR-TECHNICALOBJECT sy-vline 
WA_CTECHOBJNOTIF_STR-TECHNICALOBJECTDESCRIPTION sy-vline 
WA_CTECHOBJNOTIF_STR-TECHOBJISEQUIPORFUNCNLLOCDESC sy-vline 
WA_CTECHOBJNOTIF_STR-TECHNICALOBJECTCATEGORY sy-vline 
WA_CTECHOBJNOTIF_STR-TECHNICALOBJECTCATEGORYDESC sy-vline 
WA_CTECHOBJNOTIF_STR-TECHNICALOBJECTTYPE sy-vline 
WA_CTECHOBJNOTIF_STR-TECHNICALOBJECTTYPEDESC sy-vline 
WA_CTECHOBJNOTIF_STR-CREATEDBYUSER sy-vline 
WA_CTECHOBJNOTIF_STR-CREATIONDATE sy-vline 
WA_CTECHOBJNOTIF_STR-LASTCHANGEDBYUSER sy-vline 
WA_CTECHOBJNOTIF_STR-LASTCHANGEDATE sy-vline 
WA_CTECHOBJNOTIF_STR-ASSETMANUFACTURERNAME sy-vline 
WA_CTECHOBJNOTIF_STR-MANUFACTURERPARTTYPENAME sy-vline 
WA_CTECHOBJNOTIF_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_CTECHOBJNOTIF_STR-MAINWORKCENTER sy-vline 
WA_CTECHOBJNOTIF_STR-MAINTENANCEWORKCENTER sy-vline 
WA_CTECHOBJNOTIF_STR-MAINTENANCEPLANT sy-vline 
WA_CTECHOBJNOTIF_STR-PLANTSECTION sy-vline 
WA_CTECHOBJNOTIF_STR-ASSETLOCATION sy-vline 
WA_CTECHOBJNOTIF_STR-MAINTOBJECTFREEDEFINEDATTRIB sy-vline 
WA_CTECHOBJNOTIF_STR-BUSINESSAREA sy-vline 
WA_CTECHOBJNOTIF_STR-CONTROLLINGAREA sy-vline 
WA_CTECHOBJNOTIF_STR-COSTCENTER sy-vline 
WA_CTECHOBJNOTIF_STR-COMPANYCODE sy-vline 
WA_CTECHOBJNOTIF_STR-DIVISION sy-vline 
WA_CTECHOBJNOTIF_STR-ASSETROOM sy-vline 
WA_CTECHOBJNOTIF_STR-ABCINDICATOR sy-vline 
WA_CTECHOBJNOTIF_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_CTECHOBJNOTIF_STR-CATALOGPROFILE sy-vline 
WA_CTECHOBJNOTIF_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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