ABAP Select data from SAP table HRMS_BW_ATTR_EMPLOYEE_0077 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRMS_BW_ATTR_EMPLOYEE_0077 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 HRMS_BW_ATTR_EMPLOYEE_0077. 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 HRMS_BW_ATTR_EMPLOYEE_0077 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_HRMS_BW_ATTR_EMPLOYEE_0077 TYPE STANDARD TABLE OF HRMS_BW_ATTR_EMPLOYEE_0077,
      WA_HRMS_BW_ATTR_EMPLOYEE_0077 TYPE HRMS_BW_ATTR_EMPLOYEE_0077,
      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: <HRMS_BW_ATTR_EMPLOYEE_0077> TYPE HRMS_BW_ATTR_EMPLOYEE_0077.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRMS_BW_ATTR_EMPLOYEE_0077.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRMS_BW_ATTR_EMPLOYEE_0077
  INTO TABLE IT_HRMS_BW_ATTR_EMPLOYEE_0077.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRMS_BW_ATTR_EMPLOYEE_0077
*  INTO TABLE @DATA(IT_HRMS_BW_ATTR_EMPLOYEE_00772).
*--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_HRMS_BW_ATTR_EMPLOYEE_0077 INDEX 1 INTO DATA(WA_HRMS_BW_ATTR_EMPLOYEE_00772).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRMS_BW_ATTR_EMPLOYEE_0077 ASSIGNING <HRMS_BW_ATTR_EMPLOYEE_0077>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRMS_BW_ATTR_EMPLOYEE_0077>-DATEFROM = 1.
<HRMS_BW_ATTR_EMPLOYEE_0077>-DATETO = 1.
<HRMS_BW_ATTR_EMPLOYEE_0077>-PERNR = 1.
<HRMS_BW_ATTR_EMPLOYEE_0077>-RACKY = 1.
<HRMS_BW_ATTR_EMPLOYEE_0077>-MILSA = 1.

ENDLOOP.

LOOP AT IT_HRMS_BW_ATTR_EMPLOYEE_0077 INTO WA_HRMS_BW_ATTR_EMPLOYEE_0077.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRMS_BW_ATTR_EMPLOYEE_0077-DISAB, sy-vline,
  WA_HRMS_BW_ATTR_EMPLOYEE_0077-VETST, sy-vline,
  WA_HRMS_BW_ATTR_EMPLOYEE_0077-DISDT, sy-vline,
  WA_HRMS_BW_ATTR_EMPLOYEE_0077-ETHEN, sy-vline,
  WA_HRMS_BW_ATTR_EMPLOYEE_0077-RAC01, sy-vline,
  WA_HRMS_BW_ATTR_EMPLOYEE_0077-RAC02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRMS_BW_ATTR_EMPLOYEE_0077 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_HRMS_BW_ATTR_EMPLOYEE_0077 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_HRMS_BW_ATTR_EMPLOYEE_0077 INTO WA_HRMS_BW_ATTR_EMPLOYEE_0077.


*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_HRMS_BW_ATTR_EMPLOYEE_0077_STR, 
DATEFROM TYPE STRING,
DATETO TYPE STRING,
PERNR TYPE STRING,
RACKY TYPE STRING,
MILSA TYPE STRING,
DISAB TYPE STRING,
VETST TYPE STRING,
DISDT TYPE STRING,
ETHEN TYPE STRING,
RAC01 TYPE STRING,
RAC02 TYPE STRING,
RAC03 TYPE STRING,
RAC04 TYPE STRING,
RAC05 TYPE STRING,
RAC06 TYPE STRING,
RAC07 TYPE STRING,
RAC08 TYPE STRING,
RAC09 TYPE STRING,
RAC10 TYPE STRING,
VETS1 TYPE STRING,
VETS2 TYPE STRING,
VETS3 TYPE STRING,
VETS4 TYPE STRING,
VETS5 TYPE STRING,
VETS6 TYPE STRING,
VETS7 TYPE STRING,
VETS8 TYPE STRING,
VETS9 TYPE STRING,
VETS10 TYPE STRING,
VETS11 TYPE STRING,
VETS12 TYPE STRING,
DCRDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRMS_BW_ATTR_EMPLOYEE_0077_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_HRMS_BW_ATTR_EMPLOYEE_0077_STR-DATEFROM sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-DATETO sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-PERNR sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RACKY sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-MILSA sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-DISAB sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETST sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-DISDT sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-ETHEN sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC01 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC02 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC03 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC04 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC05 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC06 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC07 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC08 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC09 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-RAC10 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS1 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS2 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS3 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS4 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS5 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS6 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS7 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS8 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS9 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS10 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS11 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-VETS12 sy-vline 
WA_HRMS_BW_ATTR_EMPLOYEE_0077_STR-DCRDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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