ABAP Select data from SAP table TRTFS_POSITION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TRTFS_POSITION
*  INTO TABLE @DATA(IT_TRTFS_POSITION2).
*--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_TRTFS_POSITION INDEX 1 INTO DATA(WA_TRTFS_POSITION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TRTFS_POSITION>-COMPANY_CODE = 1.
<TRTFS_POSITION>-COM_VAL_CLASS = 1.
<TRTFS_POSITION>-PRODUCT_TYPE = 1.
<TRTFS_POSITION>-PRODUCT_CATEGORY = 1.
<TRTFS_POSITION>-FUND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TRTFS_POSITION-GRANT_NBR, sy-vline,
  WA_TRTFS_POSITION-SECURITY_ID, sy-vline,
  WA_TRTFS_POSITION-SECURITY_ACCOUNT, sy-vline,
  WA_TRTFS_POSITION-PORTFOLIO, sy-vline,
  WA_TRTFS_POSITION-DEAL_NUMBER, sy-vline,
  WA_TRTFS_POSITION-POSITION_ACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TRTFS_POSITION 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_TRTFS_POSITION 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_TRTFS_POSITION INTO WA_TRTFS_POSITION.


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

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

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

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

*Conversion exit ABPSP, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_TRTFS_POSITION-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRTFS_POSITION-WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field NEW_WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_TRTFS_POSITION-NEW_WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRTFS_POSITION-NEW_WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit POSCT, internal->external for field ACTIVE_PASSIVE
CALL FUNCTION 'CONVERSION_EXIT_POSCT_OUTPUT'
  EXPORTING
    input =                      WA_TRTFS_POSITION-ACTIVE_PASSIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRTFS_POSITION-ACTIVE_PASSIVE.
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_TRTFS_POSITION_STR, 
COMPANY_CODE TYPE STRING,
COM_VAL_CLASS TYPE STRING,
PRODUCT_TYPE TYPE STRING,
PRODUCT_CATEGORY TYPE STRING,
FUND TYPE STRING,
GRANT_NBR TYPE STRING,
SECURITY_ID TYPE STRING,
SECURITY_ACCOUNT TYPE STRING,
PORTFOLIO TYPE STRING,
DEAL_NUMBER TYPE STRING,
POSITION_ACCOUNT TYPE STRING,
FLAG_LONG_SHORT TYPE STRING,
NEW_FUND TYPE STRING,
NEW_GRANT_NBR TYPE STRING,
NEW_PORTFOLIO TYPE STRING,
NEW_COM_VAL_CLASS TYPE STRING,
UNITS TYPE STRING,
NOMINAL_AMT TYPE STRING,
NOMINAL_ORG_AMT TYPE STRING,
NOMINAL_CURR TYPE STRING,
POSITION_AMT TYPE STRING,
POSITION_CURR TYPE STRING,
POSAMT_IDX_CLEAN TYPE STRING,
SSIGN TYPE STRING,
POSITION_DATE TYPE STRING,
CREATE_DATE TYPE STRING,
CREATE_TIME TYPE STRING,
CALCULATION_DATE TYPE STRING,
WBS_ELEMENT TYPE STRING,
COST_CENTER TYPE STRING,
PROFIT_CENTER TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
NEW_WBS_ELEMENT TYPE STRING,
NEW_COST_CENTER TYPE STRING,
NEW_PROFIT_CENTER TYPE STRING,
NEW_FUNCTIONAL_AREA TYPE STRING,
SALE_INDEX TYPE STRING,
BUSTRANSID TYPE STRING,
TRL_POSITION TYPE STRING,
TRQ_POSITION TYPE STRING,
PROTOCOL TYPE STRING,
ACTIVE_PASSIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TRTFS_POSITION_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_TRTFS_POSITION_STR-COMPANY_CODE sy-vline 
WA_TRTFS_POSITION_STR-COM_VAL_CLASS sy-vline 
WA_TRTFS_POSITION_STR-PRODUCT_TYPE sy-vline 
WA_TRTFS_POSITION_STR-PRODUCT_CATEGORY sy-vline 
WA_TRTFS_POSITION_STR-FUND sy-vline 
WA_TRTFS_POSITION_STR-GRANT_NBR sy-vline 
WA_TRTFS_POSITION_STR-SECURITY_ID sy-vline 
WA_TRTFS_POSITION_STR-SECURITY_ACCOUNT sy-vline 
WA_TRTFS_POSITION_STR-PORTFOLIO sy-vline 
WA_TRTFS_POSITION_STR-DEAL_NUMBER sy-vline 
WA_TRTFS_POSITION_STR-POSITION_ACCOUNT sy-vline 
WA_TRTFS_POSITION_STR-FLAG_LONG_SHORT sy-vline 
WA_TRTFS_POSITION_STR-NEW_FUND sy-vline 
WA_TRTFS_POSITION_STR-NEW_GRANT_NBR sy-vline 
WA_TRTFS_POSITION_STR-NEW_PORTFOLIO sy-vline 
WA_TRTFS_POSITION_STR-NEW_COM_VAL_CLASS sy-vline 
WA_TRTFS_POSITION_STR-UNITS sy-vline 
WA_TRTFS_POSITION_STR-NOMINAL_AMT sy-vline 
WA_TRTFS_POSITION_STR-NOMINAL_ORG_AMT sy-vline 
WA_TRTFS_POSITION_STR-NOMINAL_CURR sy-vline 
WA_TRTFS_POSITION_STR-POSITION_AMT sy-vline 
WA_TRTFS_POSITION_STR-POSITION_CURR sy-vline 
WA_TRTFS_POSITION_STR-POSAMT_IDX_CLEAN sy-vline 
WA_TRTFS_POSITION_STR-SSIGN sy-vline 
WA_TRTFS_POSITION_STR-POSITION_DATE sy-vline 
WA_TRTFS_POSITION_STR-CREATE_DATE sy-vline 
WA_TRTFS_POSITION_STR-CREATE_TIME sy-vline 
WA_TRTFS_POSITION_STR-CALCULATION_DATE sy-vline 
WA_TRTFS_POSITION_STR-WBS_ELEMENT sy-vline 
WA_TRTFS_POSITION_STR-COST_CENTER sy-vline 
WA_TRTFS_POSITION_STR-PROFIT_CENTER sy-vline 
WA_TRTFS_POSITION_STR-FUNCTIONAL_AREA sy-vline 
WA_TRTFS_POSITION_STR-NEW_WBS_ELEMENT sy-vline 
WA_TRTFS_POSITION_STR-NEW_COST_CENTER sy-vline 
WA_TRTFS_POSITION_STR-NEW_PROFIT_CENTER sy-vline 
WA_TRTFS_POSITION_STR-NEW_FUNCTIONAL_AREA sy-vline 
WA_TRTFS_POSITION_STR-SALE_INDEX sy-vline 
WA_TRTFS_POSITION_STR-BUSTRANSID sy-vline 
WA_TRTFS_POSITION_STR-TRL_POSITION sy-vline 
WA_TRTFS_POSITION_STR-TRQ_POSITION sy-vline 
WA_TRTFS_POSITION_STR-PROTOCOL sy-vline 
WA_TRTFS_POSITION_STR-ACTIVE_PASSIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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