ABAP Select data from SAP table HCMFAB_S_TIMESHEET_VHLP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMFAB_S_TIMESHEET_VHLP
*  INTO TABLE @DATA(IT_HCMFAB_S_TIMESHEET_VHLP2).
*--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_HCMFAB_S_TIMESHEET_VHLP INDEX 1 INTO DATA(WA_HCMFAB_S_TIMESHEET_VHLP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMFAB_S_TIMESHEET_VHLP>-PERNR = 1.
<HCMFAB_S_TIMESHEET_VHLP>-PROFILE_ID = 1.
<HCMFAB_S_TIMESHEET_VHLP>-FIELD_NAME = 1.
<HCMFAB_S_TIMESHEET_VHLP>-FIELD_VALUE = 1.
<HCMFAB_S_TIMESHEET_VHLP>-FIELD_RELATED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMFAB_S_TIMESHEET_VHLP-SEL_FIELD1_NAME, sy-vline,
  WA_HCMFAB_S_TIMESHEET_VHLP-SEL_FIELD1_TEXT, sy-vline,
  WA_HCMFAB_S_TIMESHEET_VHLP-SEL_FIELD1_VAL, sy-vline,
  WA_HCMFAB_S_TIMESHEET_VHLP-SEL_FIELD2_NAME, sy-vline,
  WA_HCMFAB_S_TIMESHEET_VHLP-SEL_FIELD2_TEXT, sy-vline,
  WA_HCMFAB_S_TIMESHEET_VHLP-SEL_FIELD2_VAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMFAB_S_TIMESHEET_VHLP 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_HCMFAB_S_TIMESHEET_VHLP 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_HCMFAB_S_TIMESHEET_VHLP INTO WA_HCMFAB_S_TIMESHEET_VHLP.


*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_HCMFAB_S_TIMESHEET_VHLP_STR, 
PERNR TYPE STRING,
PROFILE_ID TYPE STRING,
FIELD_NAME TYPE STRING,
FIELD_VALUE TYPE STRING,
FIELD_RELATED TYPE STRING,
SEL_FIELD1_NAME TYPE STRING,
SEL_FIELD1_TEXT TYPE STRING,
SEL_FIELD1_VAL TYPE STRING,
SEL_FIELD2_NAME TYPE STRING,
SEL_FIELD2_TEXT TYPE STRING,
SEL_FIELD2_VAL TYPE STRING,
SEL_FIELD3_NAME TYPE STRING,
SEL_FIELD3_TEXT TYPE STRING,
SEL_FIELD3_VAL TYPE STRING,
SEL_FIELD4_NAME TYPE STRING,
SEL_FIELD4_TEXT TYPE STRING,
SEL_FIELD4_VAL TYPE STRING,
SEL_FIELD5_NAME TYPE STRING,
SEL_FIELD5_TEXT TYPE STRING,
SEL_FIELD5_VAL TYPE STRING,
SEL_FIELD6_NAME TYPE STRING,
SEL_FIELD6_TEXT TYPE STRING,
SEL_FIELD6_VAL TYPE STRING,
DISP_FIELD1_TEXT TYPE STRING,
DISP_FIELD2_TEXT TYPE STRING,
DISP_FIELD3_TEXT TYPE STRING,
DISP_FIELD4_TEXT TYPE STRING,
DISP_FIELD5_TEXT TYPE STRING,
DISP_FIELD6_TEXT TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
MAXIMUM_HITS TYPE STRING,
VALUEHELPHITS TYPE STRING,
DUMMY_VALUEHELP TYPE STRING,
SEL_FIELD1_F4 TYPE STRING,
SEL_FIELD2_F4 TYPE STRING,
SEL_FIELD3_F4 TYPE STRING,
SEL_FIELD4_F4 TYPE STRING,
SEL_FIELD5_F4 TYPE STRING,
SEL_FIELD6_F4 TYPE STRING,
SEL_FIELD1_MAXLEN TYPE STRING,
SEL_FIELD2_MAXLEN TYPE STRING,
SEL_FIELD3_MAXLEN TYPE STRING,
SEL_FIELD4_MAXLEN TYPE STRING,
SEL_FIELD5_MAXLEN TYPE STRING,
SEL_FIELD6_MAXLEN TYPE STRING,
DIS_FIELD2_MAXLEN TYPE STRING,
DISP_FIELD1_DATA_TYPE TYPE STRING,
DISP_FIELD2_DATA_TYPE TYPE STRING,
DISP_FIELD3_DATA_TYPE TYPE STRING,
DISP_FIELD4_DATA_TYPE TYPE STRING,
DISP_FIELD5_DATA_TYPE TYPE STRING,
DISP_FIELD6_DATA_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMFAB_S_TIMESHEET_VHLP_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_HCMFAB_S_TIMESHEET_VHLP_STR-PERNR sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-PROFILE_ID sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-FIELD_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-FIELD_VALUE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-FIELD_RELATED sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD1_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD1_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD1_VAL sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD2_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD2_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD2_VAL sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD3_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD3_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD3_VAL sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD4_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD4_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD4_VAL sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD5_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD5_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD5_VAL sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD6_NAME sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD6_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD6_VAL sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD1_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD2_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD3_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD4_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD5_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD6_TEXT sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-STARTDATE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-ENDDATE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-MAXIMUM_HITS sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-VALUEHELPHITS sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DUMMY_VALUEHELP sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD1_F4 sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD2_F4 sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD3_F4 sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD4_F4 sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD5_F4 sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD6_F4 sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD1_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD2_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD3_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD4_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD5_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-SEL_FIELD6_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DIS_FIELD2_MAXLEN sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD1_DATA_TYPE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD2_DATA_TYPE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD3_DATA_TYPE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD4_DATA_TYPE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD5_DATA_TYPE sy-vline 
WA_HCMFAB_S_TIMESHEET_VHLP_STR-DISP_FIELD6_DATA_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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