ABAP Select data from SAP table ICLX_IO_EMPLOYEE_S_IN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLX_IO_EMPLOYEE_S_IN
*  INTO TABLE @DATA(IT_ICLX_IO_EMPLOYEE_S_IN2).
*--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_ICLX_IO_EMPLOYEE_S_IN INDEX 1 INTO DATA(WA_ICLX_IO_EMPLOYEE_S_IN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICLX_IO_EMPLOYEE_S_IN>-CLAIM_GUID = 1.
<ICLX_IO_EMPLOYEE_S_IN>-EMPLOYEEDATA_GUID = 1.
<ICLX_IO_EMPLOYEE_S_IN>-EMPE_NOOFDEP = 1.
<ICLX_IO_EMPLOYEE_S_IN>-EMPE_HIREDATE = 1.
<ICLX_IO_EMPLOYEE_S_IN>-EMPE_OCC_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLX_IO_EMPLOYEE_S_IN-EMPE_MC_CODE, sy-vline,
  WA_ICLX_IO_EMPLOYEE_S_IN-EMPE_EMP_STATUS, sy-vline,
  WA_ICLX_IO_EMPLOYEE_S_IN-EMPE_WAGEBASIS, sy-vline,
  WA_ICLX_IO_EMPLOYEE_S_IN-EMPE_AWW, sy-vline,
  WA_ICLX_IO_EMPLOYEE_S_IN-CURRENCY, sy-vline,
  WA_ICLX_IO_EMPLOYEE_S_IN-EMPE_WORKDAYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLX_IO_EMPLOYEE_S_IN 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_ICLX_IO_EMPLOYEE_S_IN 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_ICLX_IO_EMPLOYEE_S_IN INTO WA_ICLX_IO_EMPLOYEE_S_IN.


*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_ICLX_IO_EMPLOYEE_S_IN_STR, 
CLAIM_GUID TYPE STRING,
EMPLOYEEDATA_GUID TYPE STRING,
EMPE_NOOFDEP TYPE STRING,
EMPE_HIREDATE TYPE STRING,
EMPE_OCC_CODE TYPE STRING,
EMPE_MC_CODE TYPE STRING,
EMPE_EMP_STATUS TYPE STRING,
EMPE_WAGEBASIS TYPE STRING,
EMPE_AWW TYPE STRING,
CURRENCY TYPE STRING,
EMPE_WORKDAYS TYPE STRING,
EMPE_WORKTIME TYPE STRING,
EMPE_LDW TYPE STRING,
EMPE_NOI TYPE STRING,
BODY_PART_CODE TYPE STRING,
EMPE_COI TYPE STRING,
EMPE_RTW TYPE STRING,
EMPE_DEATHDATE TYPE STRING,
EMPE_INITTRMNTCO TYPE STRING,
CREATE_DATE TYPE STRING,
CREATE_TIME TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_BY_DESCR TYPE STRING,
CHANGE_DATE TYPE STRING,
CHANGE_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_BY_DESCR TYPE STRING,
EMPE_OCC_CODE_DESCR TYPE STRING,
EMPE_MC_CODE_DESCR TYPE STRING,
EMPE_EMP_STATUS_DESCR TYPE STRING,
EMPE_WAGEBASIS_DESCR TYPE STRING,
EMPE_NOI_DESCR TYPE STRING,
EMPE_COI_DESCR TYPE STRING,
EMPE_INITTRMNTCO_DESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLX_IO_EMPLOYEE_S_IN_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_ICLX_IO_EMPLOYEE_S_IN_STR-CLAIM_GUID sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPLOYEEDATA_GUID sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_NOOFDEP sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_HIREDATE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_OCC_CODE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_MC_CODE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_EMP_STATUS sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_WAGEBASIS sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_AWW sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CURRENCY sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_WORKDAYS sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_WORKTIME sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_LDW sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_NOI sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-BODY_PART_CODE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_COI sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_RTW sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_DEATHDATE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_INITTRMNTCO sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CREATE_DATE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CREATE_TIME sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CREATED_BY sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CREATED_BY_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CHANGE_DATE sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CHANGE_TIME sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CHANGED_BY sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-CHANGED_BY_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_OCC_CODE_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_MC_CODE_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_EMP_STATUS_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_WAGEBASIS_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_NOI_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_COI_DESCR sy-vline 
WA_ICLX_IO_EMPLOYEE_S_IN_STR-EMPE_INITTRMNTCO_DESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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