ABAP Select data from SAP table FTCOMT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FTCOMT 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 FTCOMT. 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 FTCOMT 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_FTCOMT TYPE STANDARD TABLE OF FTCOMT,
      WA_FTCOMT TYPE FTCOMT,
      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: <FTCOMT> TYPE FTCOMT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTCOMT
*  INTO TABLE @DATA(IT_FTCOMT2).
*--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_FTCOMT INDEX 1 INTO DATA(WA_FTCOMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTCOMT>-MANDT = 1.
<FTCOMT>-TZONE = 1.
<FTCOMT>-TSTMP = 1.
<FTCOMT>-VBELN = 1.
<FTCOMT>-POSNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTCOMT-KAPPL, sy-vline,
  WA_FTCOMT-KSCHL, sy-vline,
  WA_FTCOMT-SPRAS, sy-vline,
  WA_FTCOMT-PARNR, sy-vline,
  WA_FTCOMT-PARVW, sy-vline,
  WA_FTCOMT-NACHA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTCOMT 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_FTCOMT 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_FTCOMT INTO WA_FTCOMT.


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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FTCOMT-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTCOMT-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FTCOMT-PARNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTCOMT-PARNR.
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_FTCOMT_STR, 
MANDT TYPE STRING,
TZONE TYPE STRING,
TSTMP TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
SPRAS TYPE STRING,
PARNR TYPE STRING,
PARVW TYPE STRING,
NACHA TYPE STRING,
HEFEL TYPE STRING,
ERNAM TYPE STRING,
AHBAS TYPE STRING,
HETAB TYPE STRING,
ELEMENT TYPE STRING,
FTCOM_ALT TYPE STRING,
FTCOM_NEU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTCOMT_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_FTCOMT_STR-MANDT sy-vline 
WA_FTCOMT_STR-TZONE sy-vline 
WA_FTCOMT_STR-TSTMP sy-vline 
WA_FTCOMT_STR-VBELN sy-vline 
WA_FTCOMT_STR-POSNR sy-vline 
WA_FTCOMT_STR-KAPPL sy-vline 
WA_FTCOMT_STR-KSCHL sy-vline 
WA_FTCOMT_STR-SPRAS sy-vline 
WA_FTCOMT_STR-PARNR sy-vline 
WA_FTCOMT_STR-PARVW sy-vline 
WA_FTCOMT_STR-NACHA sy-vline 
WA_FTCOMT_STR-HEFEL sy-vline 
WA_FTCOMT_STR-ERNAM sy-vline 
WA_FTCOMT_STR-AHBAS sy-vline 
WA_FTCOMT_STR-HETAB sy-vline 
WA_FTCOMT_STR-ELEMENT sy-vline 
WA_FTCOMT_STR-FTCOM_ALT sy-vline 
WA_FTCOMT_STR-FTCOM_NEU sy-vline      INTO ld_text SEPARATED BY SPACE.

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