ABAP Select data from SAP table WFAFCS_INDICATOR_10 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WFAFCS_INDICATOR_10 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 WFAFCS_INDICATOR_10. 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 WFAFCS_INDICATOR_10 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_WFAFCS_INDICATOR_10 TYPE STANDARD TABLE OF WFAFCS_INDICATOR_10,
      WA_WFAFCS_INDICATOR_10 TYPE WFAFCS_INDICATOR_10,
      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: <WFAFCS_INDICATOR_10> TYPE WFAFCS_INDICATOR_10.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WFAFCS_INDICATOR_10.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WFAFCS_INDICATOR_10
  INTO TABLE IT_WFAFCS_INDICATOR_10.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WFAFCS_INDICATOR_10
*  INTO TABLE @DATA(IT_WFAFCS_INDICATOR_102).
*--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_WFAFCS_INDICATOR_10 INDEX 1 INTO DATA(WA_WFAFCS_INDICATOR_102).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WFAFCS_INDICATOR_10 ASSIGNING <WFAFCS_INDICATOR_10>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WFAFCS_INDICATOR_10>-START_DATE = 1.
<WFAFCS_INDICATOR_10>-END_DATE = 1.
<WFAFCS_INDICATOR_10>-ACROSSDAYSFLAG = 1.
<WFAFCS_INDICATOR_10>-MIXPERCENT = 1.
<WFAFCS_INDICATOR_10>-MAXPEOPLE = 1.

ENDLOOP.

LOOP AT IT_WFAFCS_INDICATOR_10 INTO WA_WFAFCS_INDICATOR_10.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WFAFCS_INDICATOR_10-DAYASSIGNTYPE, sy-vline,
  WA_WFAFCS_INDICATOR_10-TASKHOURSTYPE, sy-vline,
  WA_WFAFCS_INDICATOR_10-WORKAREAKEY, sy-vline,
  WA_WFAFCS_INDICATOR_10-TASKSTANDARD, sy-vline,
  WA_WFAFCS_INDICATOR_10-MINHOURS, sy-vline,
  WA_WFAFCS_INDICATOR_10-MAXHOURS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WFAFCS_INDICATOR_10 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_WFAFCS_INDICATOR_10 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_WFAFCS_INDICATOR_10 INTO WA_WFAFCS_INDICATOR_10.


*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_WFAFCS_INDICATOR_10_STR, 
START_DATE TYPE STRING,
END_DATE TYPE STRING,
ACROSSDAYSFLAG TYPE STRING,
MIXPERCENT TYPE STRING,
MAXPEOPLE TYPE STRING,
DAYASSIGNTYPE TYPE STRING,
TASKHOURSTYPE TYPE STRING,
WORKAREAKEY TYPE STRING,
TASKSTANDARD TYPE STRING,
MINHOURS TYPE STRING,
MAXHOURS TYPE STRING,
VOL_INDICATOR_ID TYPE STRING,
VOL_IND_EXT_KEY TYPE STRING,
VOL_INDICATOR_TXT TYPE STRING,
VOLOFFSETDIRECT TYPE STRING,
VOLOFFSETVALUE TYPE STRING,
SNAME TYPE STRING,
LNAME TYPE STRING,
VISIBILITY TYPE STRING,
TASKSTANDARDTYPE TYPE STRING,
STEP_VOL_IND_EXT_KEY TYPE STRING,
STEP_VOL_IND_SNAME TYPE STRING,
STEPVOLOFFSETDIRECT TYPE STRING,
STEPVOLOFFSETVALUE TYPE STRING,
DFTSTEPSTANDARD TYPE STRING,
STEPVOLMAXSTD TYPE STRING,
IMPORT_WORKLOAD TYPE STRING,
IND_STD_EXT_KEY TYPE STRING,
IND_STD_SNAME TYPE STRING,
ALLOCATE_ALL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WFAFCS_INDICATOR_10_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_WFAFCS_INDICATOR_10_STR-START_DATE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-END_DATE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-ACROSSDAYSFLAG sy-vline 
WA_WFAFCS_INDICATOR_10_STR-MIXPERCENT sy-vline 
WA_WFAFCS_INDICATOR_10_STR-MAXPEOPLE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-DAYASSIGNTYPE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-TASKHOURSTYPE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-WORKAREAKEY sy-vline 
WA_WFAFCS_INDICATOR_10_STR-TASKSTANDARD sy-vline 
WA_WFAFCS_INDICATOR_10_STR-MINHOURS sy-vline 
WA_WFAFCS_INDICATOR_10_STR-MAXHOURS sy-vline 
WA_WFAFCS_INDICATOR_10_STR-VOL_INDICATOR_ID sy-vline 
WA_WFAFCS_INDICATOR_10_STR-VOL_IND_EXT_KEY sy-vline 
WA_WFAFCS_INDICATOR_10_STR-VOL_INDICATOR_TXT sy-vline 
WA_WFAFCS_INDICATOR_10_STR-VOLOFFSETDIRECT sy-vline 
WA_WFAFCS_INDICATOR_10_STR-VOLOFFSETVALUE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-SNAME sy-vline 
WA_WFAFCS_INDICATOR_10_STR-LNAME sy-vline 
WA_WFAFCS_INDICATOR_10_STR-VISIBILITY sy-vline 
WA_WFAFCS_INDICATOR_10_STR-TASKSTANDARDTYPE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-STEP_VOL_IND_EXT_KEY sy-vline 
WA_WFAFCS_INDICATOR_10_STR-STEP_VOL_IND_SNAME sy-vline 
WA_WFAFCS_INDICATOR_10_STR-STEPVOLOFFSETDIRECT sy-vline 
WA_WFAFCS_INDICATOR_10_STR-STEPVOLOFFSETVALUE sy-vline 
WA_WFAFCS_INDICATOR_10_STR-DFTSTEPSTANDARD sy-vline 
WA_WFAFCS_INDICATOR_10_STR-STEPVOLMAXSTD sy-vline 
WA_WFAFCS_INDICATOR_10_STR-IMPORT_WORKLOAD sy-vline 
WA_WFAFCS_INDICATOR_10_STR-IND_STD_EXT_KEY sy-vline 
WA_WFAFCS_INDICATOR_10_STR-IND_STD_SNAME sy-vline 
WA_WFAFCS_INDICATOR_10_STR-ALLOCATE_ALL sy-vline      INTO ld_text SEPARATED BY SPACE.

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