ABAP Select data from SAP table HRCUSCL_LOCATOR_EMPLOYEE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRCUSCL_LOCATOR_EMPLOYEE
*  INTO TABLE @DATA(IT_HRCUSCL_LOCATOR_EMPLOYEE2).
*--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_HRCUSCL_LOCATOR_EMPLOYEE INDEX 1 INTO DATA(WA_HRCUSCL_LOCATOR_EMPLOYEE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRCUSCL_LOCATOR_EMPLOYEE>-CONTROLLER = 1.
<HRCUSCL_LOCATOR_EMPLOYEE>-ANNUAL_GROSS_WAGE = 1.
<HRCUSCL_LOCATOR_EMPLOYEE>-CHECK_DATE_YYYYMMDD = 1.
<HRCUSCL_LOCATOR_EMPLOYEE>-CRSVD0 = 1.
<HRCUSCL_LOCATOR_EMPLOYEE>-CRSVD1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRCUSCL_LOCATOR_EMPLOYEE-DATA_VERSION, sy-vline,
  WA_HRCUSCL_LOCATOR_EMPLOYEE-DRSVD0, sy-vline,
  WA_HRCUSCL_LOCATOR_EMPLOYEE-DRSVD1, sy-vline,
  WA_HRCUSCL_LOCATOR_EMPLOYEE-EIC_CODE, sy-vline,
  WA_HRCUSCL_LOCATOR_EMPLOYEE-EMPLOYEE_CLASS, sy-vline,
  WA_HRCUSCL_LOCATOR_EMPLOYEE-EMPLOYEE_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRCUSCL_LOCATOR_EMPLOYEE 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_HRCUSCL_LOCATOR_EMPLOYEE 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_HRCUSCL_LOCATOR_EMPLOYEE INTO WA_HRCUSCL_LOCATOR_EMPLOYEE.


*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_HRCUSCL_LOCATOR_EMPLOYEE_STR, 
CONTROLLER TYPE STRING,
ANNUAL_GROSS_WAGE TYPE STRING,
CHECK_DATE_YYYYMMDD TYPE STRING,
CRSVD0 TYPE STRING,
CRSVD1 TYPE STRING,
DATA_VERSION TYPE STRING,
DRSVD0 TYPE STRING,
DRSVD1 TYPE STRING,
EIC_CODE TYPE STRING,
EMPLOYEE_CLASS TYPE STRING,
EMPLOYEE_CODE TYPE STRING,
EMPLOYEE_NAME TYPE STRING,
EMPLOYEE_STATUS TYPE STRING,
HIRE_DATE_YYYYMMDD TYPE STRING,
HRSVD0 TYPE STRING,
HRSVD1 TYPE STRING,
LOCATIONS TYPE STRING,
LOCATOR_PLACES TYPE STRING,
LOCATOR_TAXES TYPE STRING,
MEMBER_PSRETIREMENT TYPE STRING,
MESSAGE_LEVEL TYPE STRING,
NUMBER_OF_TAX_ENTRIES TYPE STRING,
RAIL_ROAD_CODE TYPE STRING,
RESIDENT_COUNTRY TYPE STRING,
RETURN_ALL_STATES TYPE STRING,
RETURN_LOCAL_CODE_BY_LOCATION TYPE STRING,
RRSVD0 TYPE STRING,
RRSVD1 TYPE STRING,
SEL_STATE_IND TYPE STRING,
SELECTED_STATE TYPE STRING,
SRSVD0 TYPE STRING,
SRSVD1 TYPE STRING,
TAX_FILTER TYPE STRING,
WHO_PAYS_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRCUSCL_LOCATOR_EMPLOYEE_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_HRCUSCL_LOCATOR_EMPLOYEE_STR-CONTROLLER sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-ANNUAL_GROSS_WAGE sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-CHECK_DATE_YYYYMMDD sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-CRSVD0 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-CRSVD1 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-DATA_VERSION sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-DRSVD0 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-DRSVD1 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-EIC_CODE sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-EMPLOYEE_CLASS sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-EMPLOYEE_CODE sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-EMPLOYEE_NAME sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-EMPLOYEE_STATUS sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-HIRE_DATE_YYYYMMDD sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-HRSVD0 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-HRSVD1 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-LOCATIONS sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-LOCATOR_PLACES sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-LOCATOR_TAXES sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-MEMBER_PSRETIREMENT sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-MESSAGE_LEVEL sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-NUMBER_OF_TAX_ENTRIES sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-RAIL_ROAD_CODE sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-RESIDENT_COUNTRY sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-RETURN_ALL_STATES sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-RETURN_LOCAL_CODE_BY_LOCATION sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-RRSVD0 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-RRSVD1 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-SEL_STATE_IND sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-SELECTED_STATE sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-SRSVD0 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-SRSVD1 sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-TAX_FILTER sy-vline 
WA_HRCUSCL_LOCATOR_EMPLOYEE_STR-WHO_PAYS_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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