ABAP Select data from SAP table VTS_FC_ASGN_TRTM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTS_FC_ASGN_TRTM
*  INTO TABLE @DATA(IT_VTS_FC_ASGN_TRTM2).
*--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_VTS_FC_ASGN_TRTM INDEX 1 INTO DATA(WA_VTS_FC_ASGN_TRTM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTS_FC_ASGN_TRTM>-MANDT = 1.
<VTS_FC_ASGN_TRTM>-BUKRS = 1.
<VTS_FC_ASGN_TRTM>-RFHA = 1.
<VTS_FC_ASGN_TRTM>-RANTYP = 1.
<VTS_FC_ASGN_TRTM>-SANLF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTS_FC_ASGN_TRTM-SFGTYP, sy-vline,
  WA_VTS_FC_ASGN_TRTM-SGSART, sy-vline,
  WA_VTS_FC_ASGN_TRTM-SFHAART, sy-vline,
  WA_VTS_FC_ASGN_TRTM-SAKTIV, sy-vline,
  WA_VTS_FC_ASGN_TRTM-RFHAZUL, sy-vline,
  WA_VTS_FC_ASGN_TRTM-KONTRH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTS_FC_ASGN_TRTM 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_VTS_FC_ASGN_TRTM 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_VTS_FC_ASGN_TRTM INTO WA_VTS_FC_ASGN_TRTM.


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

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

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

*Conversion exit ALPHA, internal->external for field FACILITYPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTS_FC_ASGN_TRTM-FACILITYPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTS_FC_ASGN_TRTM-FACILITYPARTNER.
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_VTS_FC_ASGN_TRTM_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RFHA TYPE STRING,
RANTYP TYPE STRING,
SANLF TYPE STRING,
SFGTYP TYPE STRING,
SGSART TYPE STRING,
SFHAART TYPE STRING,
SAKTIV TYPE STRING,
RFHAZUL TYPE STRING,
KONTRH TYPE STRING,
WGSCHFT TYPE STRING,
KKASSA TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
FACILITYNR TYPE STRING,
FACILITYBUKRS TYPE STRING,
FACILITYLINE TYPE STRING,
FACILITYPARTNER TYPE STRING,
SFGZUSTT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTS_FC_ASGN_TRTM_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_VTS_FC_ASGN_TRTM_STR-MANDT sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-BUKRS sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-RFHA sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-RANTYP sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-SANLF sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-SFGTYP sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-SGSART sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-SFHAART sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-SAKTIV sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-RFHAZUL sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-KONTRH sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-WGSCHFT sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-KKASSA sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-DBLFZ sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-DELFZ sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-FACILITYNR sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-FACILITYBUKRS sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-FACILITYLINE sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-FACILITYPARTNER sy-vline 
WA_VTS_FC_ASGN_TRTM_STR-SFGZUSTT sy-vline      INTO ld_text SEPARATED BY SPACE.

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