ABAP Select data from SAP table TSITEM_TYPE_VEH_SEGMENT_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TSITEM_TYPE_VEH_SEGMENT_INFO
*  INTO TABLE @DATA(IT_TSITEM_TYPE_VEH_SEGMENT_INFO2).
*--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_TSITEM_TYPE_VEH_SEGMENT_INFO INDEX 1 INTO DATA(WA_TSITEM_TYPE_VEH_SEGMENT_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TSITEM_TYPE_VEH_SEGMENT_INFO>-CONTROLLER = 1.
<TSITEM_TYPE_VEH_SEGMENT_INFO>-PRICED_OFF_LOC_SERVICE = 1.
<TSITEM_TYPE_VEH_SEGMENT_INFO>-CONTROLLER = 1.
<TSITEM_TYPE_VEH_SEGMENT_INFO>-OFF_LOC_SERVICE = 1.
<TSITEM_TYPE_VEH_SEGMENT_INFO>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TSITEM_TYPE_VEH_SEGMENT_INFO-TELEPHONE, sy-vline,
  WA_TSITEM_TYPE_VEH_SEGMENT_INFO-FAX, sy-vline,
  WA_TSITEM_TYPE_VEH_SEGMENT_INFO-CORPORATE_ID, sy-vline,
  WA_TSITEM_TYPE_VEH_SEGMENT_INFO-CLIENT_ID, sy-vline,
  WA_TSITEM_TYPE_VEH_SEGMENT_INFO-CUST_LOYALTY, sy-vline,
  WA_TSITEM_TYPE_VEH_SEGMENT_INFO-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TSITEM_TYPE_VEH_SEGMENT_INFO 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_TSITEM_TYPE_VEH_SEGMENT_INFO 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_TSITEM_TYPE_VEH_SEGMENT_INFO INTO WA_TSITEM_TYPE_VEH_SEGMENT_INFO.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_TSITEM_TYPE_VEH_SEGMENT_INFO_STR, 
CONTROLLER TYPE STRING,
PRICED_OFF_LOC_SERVICE TYPE STRING,
CONTROLLER TYPE STRING,
OFF_LOC_SERVICE TYPE STRING,
CONTROLLER TYPE STRING,
TELEPHONE TYPE STRING,
FAX TYPE STRING,
CORPORATE_ID TYPE STRING,
CLIENT_ID TYPE STRING,
CUST_LOYALTY TYPE STRING,
CONTROLLER TYPE STRING,
MEMBERSHIP_ID TYPE STRING,
INVOICE_REMARKS TYPE STRING,
CONTROLLER TYPE STRING,
TEXT TYPE STRING,
REMARKS TYPE STRING,
CONTROLLER TYPE STRING,
TEXT TYPE STRING,
PASSENGER_NAME TYPE STRING,
VOUCHER TYPE STRING,
CONTROLLER TYPE STRING,
TYPE TYPE STRING,
BILLING_NUMBER TYPE STRING,
ID TYPE STRING,
FORMAT TYPE STRING,
DELIVERY_COLLECTION_FEE TYPE STRING,
COLLECTION_INFO TYPE STRING,
CONTROLLER TYPE STRING,
CONTACT_NUMBERS TYPE STRING,
CONTROLLER TYPE STRING,
CONTACT_NUMBER TYPE STRING,
CONTROLLER TYPE STRING,
PHONE_NUMBER TYPE STRING,
ADDRESS TYPE STRING,
CONTROLLER TYPE STRING,
ADDRESS_LINE TYPE STRING,
STREET_NMBR TYPE STRING,
CITY_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
STATE_COUNTY_PROV TYPE STRING,
CONTROLLER TYPE STRING,
STATE_CODE TYPE STRING,
COUNTRY_CODE TYPE STRING,
SITE_ID TYPE STRING,
SITE_NAME TYPE STRING,
DELIVERY_INFO TYPE STRING,
CONTROLLER TYPE STRING,
CONTACT_NUMBERS TYPE STRING,
CONTROLLER TYPE STRING,
CONTACT_NUMBER TYPE STRING,
CONTROLLER TYPE STRING,
PHONE_NUMBER TYPE STRING,
ADDRESS TYPE STRING,
CONTROLLER TYPE STRING,
ADDRESS_LINE TYPE STRING,
STREET_NMBR TYPE STRING,
CITY_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
STATE_COUNTY_PROV TYPE STRING,
CONTROLLER TYPE STRING,
STATE_CODE TYPE STRING,
COUNTRY_CODE TYPE STRING,
COMMENT TYPE STRING,
SITE_ID TYPE STRING,
SITE_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TSITEM_TYPE_VEH_SEGMENT_INFO_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_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-PRICED_OFF_LOC_SERVICE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-OFF_LOC_SERVICE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-TELEPHONE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-FAX sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CORPORATE_ID sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CLIENT_ID sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CUST_LOYALTY sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-MEMBERSHIP_ID sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-INVOICE_REMARKS sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-TEXT sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-REMARKS sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-TEXT sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-PASSENGER_NAME sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-VOUCHER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-TYPE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-BILLING_NUMBER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-ID sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-FORMAT sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-DELIVERY_COLLECTION_FEE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-COLLECTION_INFO sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTACT_NUMBERS sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTACT_NUMBER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-PHONE_NUMBER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-ADDRESS sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-ADDRESS_LINE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-STREET_NMBR sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CITY_NAME sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-POSTAL_CODE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-STATE_COUNTY_PROV sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-STATE_CODE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-COUNTRY_CODE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-SITE_ID sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-SITE_NAME sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-DELIVERY_INFO sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTACT_NUMBERS sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTACT_NUMBER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-PHONE_NUMBER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-ADDRESS sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-ADDRESS_LINE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-STREET_NMBR sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CITY_NAME sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-POSTAL_CODE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-STATE_COUNTY_PROV sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-CONTROLLER sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-STATE_CODE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-COUNTRY_CODE sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-COMMENT sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-SITE_ID sy-vline 
WA_TSITEM_TYPE_VEH_SEGMENT_INFO_STR-SITE_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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