ABAP Select data from SAP table EHFNDS_WFF_UWL_TASK_CONFIG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_WFF_UWL_TASK_CONFIG
*  INTO TABLE @DATA(IT_EHFNDS_WFF_UWL_TASK_CONFIG2).
*--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_EHFNDS_WFF_UWL_TASK_CONFIG INDEX 1 INTO DATA(WA_EHFNDS_WFF_UWL_TASK_CONFIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_WFF_UWL_TASK_CONFIG>-TASK_DETAILS = 1.
<EHFNDS_WFF_UWL_TASK_CONFIG>-TASK = 1.
<EHFNDS_WFF_UWL_TASK_CONFIG>-TASKSHORT = 1.
<EHFNDS_WFF_UWL_TASK_CONFIG>-TASKTEXT = 1.
<EHFNDS_WFF_UWL_TASK_CONFIG>-TASKENDDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_WFF_UWL_TASK_CONFIG-TASKBEGDAT, sy-vline,
  WA_EHFNDS_WFF_UWL_TASK_CONFIG-GENERAL, sy-vline,
  WA_EHFNDS_WFF_UWL_TASK_CONFIG-SYNCHRON, sy-vline,
  WA_EHFNDS_WFF_UWL_TASK_CONFIG-BACKGROUND, sy-vline,
  WA_EHFNDS_WFF_UWL_TASK_CONFIG-DIALOG, sy-vline,
  WA_EHFNDS_WFF_UWL_TASK_CONFIG-CONFIRMTSK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_WFF_UWL_TASK_CONFIG 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_EHFNDS_WFF_UWL_TASK_CONFIG 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_EHFNDS_WFF_UWL_TASK_CONFIG INTO WA_EHFNDS_WFF_UWL_TASK_CONFIG.


*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_EHFNDS_WFF_UWL_TASK_CONFIG_STR, 
TASK_DETAILS TYPE STRING,
TASK TYPE STRING,
TASKSHORT TYPE STRING,
TASKTEXT TYPE STRING,
TASKENDDAT TYPE STRING,
TASKBEGDAT TYPE STRING,
GENERAL TYPE STRING,
SYNCHRON TYPE STRING,
BACKGROUND TYPE STRING,
DIALOG TYPE STRING,
CONFIRMTSK TYPE STRING,
OBJTYPE TYPE STRING,
TYPEID TYPE STRING,
CATID TYPE STRING,
OBJTEXT TYPE STRING,
METHOD TYPE STRING,
METHODTEXT TYPE STRING,
FULLQ_TASK_NAME TYPE STRING,
DEFAULT_ACTION TYPE STRING,
TASK_INFO TYPE STRING,
TASK_ID TYPE STRING,
DYN_ATTR_LIST TYPE STRING,
DEFAULT_ACTION TYPE STRING,
ACTION_INFO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_WFF_UWL_TASK_CONFIG_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_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASK_DETAILS sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASK sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASKSHORT sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASKTEXT sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASKENDDAT sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASKBEGDAT sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-GENERAL sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-SYNCHRON sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-BACKGROUND sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-DIALOG sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-CONFIRMTSK sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-OBJTYPE sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TYPEID sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-CATID sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-OBJTEXT sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-METHOD sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-METHODTEXT sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-FULLQ_TASK_NAME sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-DEFAULT_ACTION sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASK_INFO sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-TASK_ID sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-DYN_ATTR_LIST sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-DEFAULT_ACTION sy-vline 
WA_EHFNDS_WFF_UWL_TASK_CONFIG_STR-ACTION_INFO sy-vline      INTO ld_text SEPARATED BY SPACE.

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