ABAP Select data from SAP table ITECHNICALO000TP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ITECHNICALO000TP 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 ITECHNICALO000TP. 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 ITECHNICALO000TP 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_ITECHNICALO000TP TYPE STANDARD TABLE OF ITECHNICALO000TP,
      WA_ITECHNICALO000TP TYPE ITECHNICALO000TP,
      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: <ITECHNICALO000TP> TYPE ITECHNICALO000TP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ITECHNICALO000TP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ITECHNICALO000TP
  INTO TABLE IT_ITECHNICALO000TP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITECHNICALO000TP
*  INTO TABLE @DATA(IT_ITECHNICALO000TP2).
*--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_ITECHNICALO000TP INDEX 1 INTO DATA(WA_ITECHNICALO000TP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ITECHNICALO000TP ASSIGNING <ITECHNICALO000TP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITECHNICALO000TP>-MANDT = 1.
<ITECHNICALO000TP>-TECHNICALOBJECT = 1.
<ITECHNICALO000TP>-TECHOBJISEQUIPORFUNCNLLOC = 1.
<ITECHNICALO000TP>-TECHNICALOBJECTLABEL = 1.
<ITECHNICALO000TP>-ISEQUIPORFUNCNLLOCFOREDIT = 1.

ENDLOOP.

LOOP AT IT_ITECHNICALO000TP INTO WA_ITECHNICALO000TP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITECHNICALO000TP-TECHNICALOBJECTFOREDIT, sy-vline,
  WA_ITECHNICALO000TP-TECHNICALOBJECTCATEGORY, sy-vline,
  WA_ITECHNICALO000TP-EQUIPMENT, sy-vline,
  WA_ITECHNICALO000TP-FUNCTIONALLOCATION, sy-vline,
  WA_ITECHNICALO000TP-TECHNICALOBJECTTYPE, sy-vline,
  WA_ITECHNICALO000TP-CREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITECHNICALO000TP 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_ITECHNICALO000TP 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_ITECHNICALO000TP INTO WA_ITECHNICALO000TP.


*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 TECHO, internal->external for field TECHNICALOBJECTLABEL
CALL FUNCTION 'CONVERSION_EXIT_TECHO_OUTPUT'
  EXPORTING
    input =                      WA_ITECHNICALO000TP-TECHNICALOBJECTLABEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITECHNICALO000TP-TECHNICALOBJECTLABEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITECHNICALO000TP-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITECHNICALO000TP-EQUIPMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_ITECHNICALO000TP-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITECHNICALO000TP-FUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CONSTRUCTIONYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ITECHNICALO000TP-CONSTRUCTIONYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITECHNICALO000TP-CONSTRUCTIONYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GROSSWEIGHTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ITECHNICALO000TP-GROSSWEIGHTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITECHNICALO000TP-GROSSWEIGHTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TECHO, internal->external for field SUPERIORTECHNICALOBJECTLABEL
CALL FUNCTION 'CONVERSION_EXIT_TECHO_OUTPUT'
  EXPORTING
    input =                      WA_ITECHNICALO000TP-SUPERIORTECHNICALOBJECTLABEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITECHNICALO000TP-SUPERIORTECHNICALOBJECTLABEL.
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_ITECHNICALO000TP_STR, 
MANDT TYPE STRING,
TECHNICALOBJECT TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
TECHNICALOBJECTLABEL TYPE STRING,
ISEQUIPORFUNCNLLOCFOREDIT TYPE STRING,
TECHNICALOBJECTFOREDIT TYPE STRING,
TECHNICALOBJECTCATEGORY TYPE STRING,
EQUIPMENT TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
TECHNICALOBJECTTYPE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
ASSETMANUFACTURERNAME TYPE STRING,
MANUFACTURERPARTTYPENAME TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
CATALOGPROFILE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
MAINTOBJECTLOCACCTASSGMTNMBR TYPE STRING,
MANUFACTURERCOUNTRY TYPE STRING,
CONSTRUCTIONYEAR TYPE STRING,
CONSTRUCTIONMONTH TYPE STRING,
ACQUISITIONDATE TYPE STRING,
CURRENCY TYPE STRING,
ACQUISITIONVALUE TYPE STRING,
TECHNICALOBJECTSORTCODE TYPE STRING,
MAINTOBJECTINTERNALID TYPE STRING,
ISDELETED TYPE STRING,
SIZEORDIMENSIONTEXT TYPE STRING,
INVENTORYNUMBER TYPE STRING,
GROSSWEIGHT TYPE STRING,
GROSSWEIGHTUNIT TYPE STRING,
MANUFACTURERPARTNMBR TYPE STRING,
MANUFACTURERSERIALNUMBER TYPE STRING,
TECHNICALOBJECTDESCRIPTION TYPE STRING,
TECHNICALOBJECTHASLONGTEXT TYPE STRING,
SUPERIORTECHNICALOBJECT TYPE STRING,
SUPERIORTECHNICALOBJECTLABEL TYPE STRING,
SUPERIORTECHNICALOBJECTNAME TYPE STRING,
SUPERIOROBJISEQUIPORFUNCNLLOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITECHNICALO000TP_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_ITECHNICALO000TP_STR-MANDT sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECT sy-vline 
WA_ITECHNICALO000TP_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTLABEL sy-vline 
WA_ITECHNICALO000TP_STR-ISEQUIPORFUNCNLLOCFOREDIT sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTFOREDIT sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTCATEGORY sy-vline 
WA_ITECHNICALO000TP_STR-EQUIPMENT sy-vline 
WA_ITECHNICALO000TP_STR-FUNCTIONALLOCATION sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTTYPE sy-vline 
WA_ITECHNICALO000TP_STR-CREATEDBYUSER sy-vline 
WA_ITECHNICALO000TP_STR-CREATIONDATE sy-vline 
WA_ITECHNICALO000TP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ITECHNICALO000TP_STR-LASTCHANGEDATE sy-vline 
WA_ITECHNICALO000TP_STR-ASSETMANUFACTURERNAME sy-vline 
WA_ITECHNICALO000TP_STR-MANUFACTURERPARTTYPENAME sy-vline 
WA_ITECHNICALO000TP_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_ITECHNICALO000TP_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_ITECHNICALO000TP_STR-CATALOGPROFILE sy-vline 
WA_ITECHNICALO000TP_STR-AUTHORIZATIONGROUP sy-vline 
WA_ITECHNICALO000TP_STR-WORKCENTERINTERNALID sy-vline 
WA_ITECHNICALO000TP_STR-WORKCENTERTYPECODE sy-vline 
WA_ITECHNICALO000TP_STR-MAINTOBJECTLOCACCTASSGMTNMBR sy-vline 
WA_ITECHNICALO000TP_STR-MANUFACTURERCOUNTRY sy-vline 
WA_ITECHNICALO000TP_STR-CONSTRUCTIONYEAR sy-vline 
WA_ITECHNICALO000TP_STR-CONSTRUCTIONMONTH sy-vline 
WA_ITECHNICALO000TP_STR-ACQUISITIONDATE sy-vline 
WA_ITECHNICALO000TP_STR-CURRENCY sy-vline 
WA_ITECHNICALO000TP_STR-ACQUISITIONVALUE sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTSORTCODE sy-vline 
WA_ITECHNICALO000TP_STR-MAINTOBJECTINTERNALID sy-vline 
WA_ITECHNICALO000TP_STR-ISDELETED sy-vline 
WA_ITECHNICALO000TP_STR-SIZEORDIMENSIONTEXT sy-vline 
WA_ITECHNICALO000TP_STR-INVENTORYNUMBER sy-vline 
WA_ITECHNICALO000TP_STR-GROSSWEIGHT sy-vline 
WA_ITECHNICALO000TP_STR-GROSSWEIGHTUNIT sy-vline 
WA_ITECHNICALO000TP_STR-MANUFACTURERPARTNMBR sy-vline 
WA_ITECHNICALO000TP_STR-MANUFACTURERSERIALNUMBER sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTDESCRIPTION sy-vline 
WA_ITECHNICALO000TP_STR-TECHNICALOBJECTHASLONGTEXT sy-vline 
WA_ITECHNICALO000TP_STR-SUPERIORTECHNICALOBJECT sy-vline 
WA_ITECHNICALO000TP_STR-SUPERIORTECHNICALOBJECTLABEL sy-vline 
WA_ITECHNICALO000TP_STR-SUPERIORTECHNICALOBJECTNAME sy-vline 
WA_ITECHNICALO000TP_STR-SUPERIOROBJISEQUIPORFUNCNLLOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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