ABAP Select data from SAP table /FTI/APP_DETAILS_ST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /FTI/APP_DETAILS_ST 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 /FTI/APP_DETAILS_ST. 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 /FTI/APP_DETAILS_ST 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_/FTI/APP_DETAILS_ST TYPE STANDARD TABLE OF /FTI/APP_DETAILS_ST,
      WA_/FTI/APP_DETAILS_ST TYPE /FTI/APP_DETAILS_ST,
      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: </FTI/APP_DETAILS_ST> TYPE /FTI/APP_DETAILS_ST.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /FTI/APP_DETAILS_ST
  INTO TABLE IT_/FTI/APP_DETAILS_ST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /FTI/APP_DETAILS_ST
*  INTO TABLE @DATA(IT_/FTI/APP_DETAILS_ST2).
*--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_/FTI/APP_DETAILS_ST INDEX 1 INTO DATA(WA_/FTI/APP_DETAILS_ST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/FTI/APP_DETAILS_ST ASSIGNING </FTI/APP_DETAILS_ST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</FTI/APP_DETAILS_ST>-WEBGUI_GUID = 1.
</FTI/APP_DETAILS_ST>-ACTIVITY_ID = 1.
</FTI/APP_DETAILS_ST>-CUST_OBJ_NAME = 1.
</FTI/APP_DETAILS_ST>-CUST_OBJ_TYPE = 1.
</FTI/APP_DETAILS_ST>-EXTRNAL_ID = 1.

ENDLOOP.

LOOP AT IT_/FTI/APP_DETAILS_ST INTO WA_/FTI/APP_DETAILS_ST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/FTI/APP_DETAILS_ST-GLOBAL_ACT, sy-vline,
  WA_/FTI/APP_DETAILS_ST-SEQUENCE_NUMBER, sy-vline,
  WA_/FTI/APP_DETAILS_ST-TRANSACTION_CODE, sy-vline,
  WA_/FTI/APP_DETAILS_ST-PRESET, sy-vline,
  WA_/FTI/APP_DETAILS_ST-EXPLORE, sy-vline,
  WA_/FTI/APP_DETAILS_ST-REALIZE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/FTI/APP_DETAILS_ST 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_/FTI/APP_DETAILS_ST 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_/FTI/APP_DETAILS_ST INTO WA_/FTI/APP_DETAILS_ST.


*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 TSTLC, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/FTI/APP_DETAILS_ST-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/FTI/APP_DETAILS_ST-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/FTI/APP_DETAILS_ST-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/FTI/APP_DETAILS_ST-CHANGED_AT.
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_/FTI/APP_DETAILS_ST_STR, 
WEBGUI_GUID TYPE STRING,
ACTIVITY_ID TYPE STRING,
CUST_OBJ_NAME TYPE STRING,
CUST_OBJ_TYPE TYPE STRING,
EXTRNAL_ID TYPE STRING,
GLOBAL_ACT TYPE STRING,
SEQUENCE_NUMBER TYPE STRING,
TRANSACTION_CODE TYPE STRING,
PRESET TYPE STRING,
EXPLORE TYPE STRING,
REALIZE TYPE STRING,
DEPLOY TYPE STRING,
RUN_PHASE TYPE STRING,
DISABLE_NEW_Q2P TYPE STRING,
DISABLE_OLD_Q2P TYPE STRING,
IS_REQUIRED TYPE STRING,
APPLICATION_AREA TYPE STRING,
TRANSPORT_RELEVANT TYPE STRING,
CUST_AVAILABLE TYPE STRING,
ENABLE_OLD_Q2P_B TYPE STRING,
ENABLE_SSPUI_CBA TYPE STRING,
ONLY_CBC TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
TITLE TYPE STRING,
TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/FTI/APP_DETAILS_ST_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_/FTI/APP_DETAILS_ST_STR-WEBGUI_GUID sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-ACTIVITY_ID sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CUST_OBJ_NAME sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CUST_OBJ_TYPE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-EXTRNAL_ID sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-GLOBAL_ACT sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-SEQUENCE_NUMBER sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-TRANSACTION_CODE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-PRESET sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-EXPLORE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-REALIZE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-DEPLOY sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-RUN_PHASE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-DISABLE_NEW_Q2P sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-DISABLE_OLD_Q2P sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-IS_REQUIRED sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-APPLICATION_AREA sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-TRANSPORT_RELEVANT sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CUST_AVAILABLE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-ENABLE_OLD_Q2P_B sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-ENABLE_SSPUI_CBA sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-ONLY_CBC sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CREATED_BY sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CREATED_AT sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CHANGED_BY sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-CHANGED_AT sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-TITLE sy-vline 
WA_/FTI/APP_DETAILS_ST_STR-TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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