ABAP Select data from SAP table V_ESH_FL_FTASK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_ESH_FL_FTASK
*  INTO TABLE @DATA(IT_V_ESH_FL_FTASK2).
*--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_V_ESH_FL_FTASK INDEX 1 INTO DATA(WA_V_ESH_FL_FTASK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_ESH_FL_FTASK>-MANDT = 1.
<V_ESH_FL_FTASK>-PH_CLASS = 1.
<V_ESH_FL_FTASK>-PHIO_ID = 1.
<V_ESH_FL_FTASK>-FILE_NUM = 1.
<V_ESH_FL_FTASK>-JOB_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_ESH_FL_FTASK-TITLE, sy-vline,
  WA_V_ESH_FL_FTASK-URL_BIN_CONTENT, sy-vline,
  WA_V_ESH_FL_FTASK-PLAIN_TEXT, sy-vline,
  WA_V_ESH_FL_FTASK-FILENAME, sy-vline,
  WA_V_ESH_FL_FTASK-FILE_EXTENSION, sy-vline,
  WA_V_ESH_FL_FTASK-MIME_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_ESH_FL_FTASK 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_V_ESH_FL_FTASK 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_V_ESH_FL_FTASK INTO WA_V_ESH_FL_FTASK.


*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_V_ESH_FL_FTASK_STR, 
MANDT TYPE STRING,
PH_CLASS TYPE STRING,
PHIO_ID TYPE STRING,
FILE_NUM TYPE STRING,
JOB_ID TYPE STRING,
TITLE TYPE STRING,
URL_BIN_CONTENT TYPE STRING,
PLAIN_TEXT TYPE STRING,
FILENAME TYPE STRING,
FILE_EXTENSION TYPE STRING,
MIME_TYPE TYPE STRING,
LANGUAGE TYPE STRING,
URL_THUMBNAIL TYPE STRING,
URL_SUV TYPE STRING,
MIME_TYPE_SUV TYPE STRING,
CREATOR TYPE STRING,
AUTHOR TYPE STRING,
SIZE_FILE TYPE STRING,
SIZE_FILE_UOM TYPE STRING,
PH_CLASS_THUMBNAIL TYPE STRING,
PHIO_ID_THUMBNAIL TYPE STRING,
FILE_NUM_THUMBNAIL TYPE STRING,
PH_CLASS_SUV TYPE STRING,
PHIO_ID_SUV TYPE STRING,
FILE_NUM_SUV TYPE STRING,
FILE_PROPERTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_ESH_FL_FTASK_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_V_ESH_FL_FTASK_STR-MANDT sy-vline 
WA_V_ESH_FL_FTASK_STR-PH_CLASS sy-vline 
WA_V_ESH_FL_FTASK_STR-PHIO_ID sy-vline 
WA_V_ESH_FL_FTASK_STR-FILE_NUM sy-vline 
WA_V_ESH_FL_FTASK_STR-JOB_ID sy-vline 
WA_V_ESH_FL_FTASK_STR-TITLE sy-vline 
WA_V_ESH_FL_FTASK_STR-URL_BIN_CONTENT sy-vline 
WA_V_ESH_FL_FTASK_STR-PLAIN_TEXT sy-vline 
WA_V_ESH_FL_FTASK_STR-FILENAME sy-vline 
WA_V_ESH_FL_FTASK_STR-FILE_EXTENSION sy-vline 
WA_V_ESH_FL_FTASK_STR-MIME_TYPE sy-vline 
WA_V_ESH_FL_FTASK_STR-LANGUAGE sy-vline 
WA_V_ESH_FL_FTASK_STR-URL_THUMBNAIL sy-vline 
WA_V_ESH_FL_FTASK_STR-URL_SUV sy-vline 
WA_V_ESH_FL_FTASK_STR-MIME_TYPE_SUV sy-vline 
WA_V_ESH_FL_FTASK_STR-CREATOR sy-vline 
WA_V_ESH_FL_FTASK_STR-AUTHOR sy-vline 
WA_V_ESH_FL_FTASK_STR-SIZE_FILE sy-vline 
WA_V_ESH_FL_FTASK_STR-SIZE_FILE_UOM sy-vline 
WA_V_ESH_FL_FTASK_STR-PH_CLASS_THUMBNAIL sy-vline 
WA_V_ESH_FL_FTASK_STR-PHIO_ID_THUMBNAIL sy-vline 
WA_V_ESH_FL_FTASK_STR-FILE_NUM_THUMBNAIL sy-vline 
WA_V_ESH_FL_FTASK_STR-PH_CLASS_SUV sy-vline 
WA_V_ESH_FL_FTASK_STR-PHIO_ID_SUV sy-vline 
WA_V_ESH_FL_FTASK_STR-FILE_NUM_SUV sy-vline 
WA_V_ESH_FL_FTASK_STR-FILE_PROPERTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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