ABAP Select data from SAP table PFR_ASM2002_EMPLOYEE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFR_ASM2002_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 PFR_ASM2002_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 PFR_ASM2002_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_PFR_ASM2002_EMPLOYEE TYPE STANDARD TABLE OF PFR_ASM2002_EMPLOYEE,
      WA_PFR_ASM2002_EMPLOYEE TYPE PFR_ASM2002_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: <PFR_ASM2002_EMPLOYEE> TYPE PFR_ASM2002_EMPLOYEE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFR_ASM2002_EMPLOYEE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFR_ASM2002_EMPLOYEE
  INTO TABLE IT_PFR_ASM2002_EMPLOYEE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFR_ASM2002_EMPLOYEE
*  INTO TABLE @DATA(IT_PFR_ASM2002_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_PFR_ASM2002_EMPLOYEE INDEX 1 INTO DATA(WA_PFR_ASM2002_EMPLOYEE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFR_ASM2002_EMPLOYEE ASSIGNING <PFR_ASM2002_EMPLOYEE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFR_ASM2002_EMPLOYEE>-CLESS = 1.
<PFR_ASM2002_EMPLOYEE>-CNAME = 1.
<PFR_ASM2002_EMPLOYEE>-GESCH = 1.
<PFR_ASM2002_EMPLOYEE>-HSNMR = 1.
<PFR_ASM2002_EMPLOYEE>-LOCAT = 1.

ENDLOOP.

LOOP AT IT_PFR_ASM2002_EMPLOYEE INTO WA_PFR_ASM2002_EMPLOYEE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFR_ASM2002_EMPLOYEE-NUMSS, sy-vline,
  WA_PFR_ASM2002_EMPLOYEE-ORT01, sy-vline,
  WA_PFR_ASM2002_EMPLOYEE-PERNR, sy-vline,
  WA_PFR_ASM2002_EMPLOYEE-QUALTX, sy-vline,
  WA_PFR_ASM2002_EMPLOYEE-PSTLZ, sy-vline,
  WA_PFR_ASM2002_EMPLOYEE-STRAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFR_ASM2002_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_PFR_ASM2002_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_PFR_ASM2002_EMPLOYEE INTO WA_PFR_ASM2002_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_PFR_ASM2002_EMPLOYEE_STR, 
CLESS TYPE STRING,
CNAME TYPE STRING,
GESCH TYPE STRING,
HSNMR TYPE STRING,
LOCAT TYPE STRING,
NUMSS TYPE STRING,
ORT01 TYPE STRING,
PERNR TYPE STRING,
QUALTX TYPE STRING,
PSTLZ TYPE STRING,
STRAS TYPE STRING,
MODAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFR_ASM2002_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_PFR_ASM2002_EMPLOYEE_STR-CLESS sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-CNAME sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-GESCH sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-HSNMR sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-LOCAT sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-NUMSS sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-ORT01 sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-PERNR sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-QUALTX sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-PSTLZ sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-STRAS sy-vline 
WA_PFR_ASM2002_EMPLOYEE_STR-MODAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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