ABAP Select data from SAP table HRWPC_S_CP_ORGASSIGNMENTDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRWPC_S_CP_ORGASSIGNMENTDATA
*  INTO TABLE @DATA(IT_HRWPC_S_CP_ORGASSIGNMENTDATA2).
*--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_HRWPC_S_CP_ORGASSIGNMENTDATA INDEX 1 INTO DATA(WA_HRWPC_S_CP_ORGASSIGNMENTDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRWPC_S_CP_ORGASSIGNMENTDATA>-PERNR = 1.
<HRWPC_S_CP_ORGASSIGNMENTDATA>-ENAME = 1.
<HRWPC_S_CP_ORGASSIGNMENTDATA>-COMPANYCODE = 1.
<HRWPC_S_CP_ORGASSIGNMENTDATA>-COMPANYCODE_TEXT = 1.
<HRWPC_S_CP_ORGASSIGNMENTDATA>-MOLGA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRWPC_S_CP_ORGASSIGNMENTDATA-MOLGA_TEXT, sy-vline,
  WA_HRWPC_S_CP_ORGASSIGNMENTDATA-PERSAREA, sy-vline,
  WA_HRWPC_S_CP_ORGASSIGNMENTDATA-PERSAREA_TEXT, sy-vline,
  WA_HRWPC_S_CP_ORGASSIGNMENTDATA-PERSSUBAREA, sy-vline,
  WA_HRWPC_S_CP_ORGASSIGNMENTDATA-PERSSUBAREA_TEXT, sy-vline,
  WA_HRWPC_S_CP_ORGASSIGNMENTDATA-COSTCENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRWPC_S_CP_ORGASSIGNMENTDATA 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_HRWPC_S_CP_ORGASSIGNMENTDATA 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_HRWPC_S_CP_ORGASSIGNMENTDATA INTO WA_HRWPC_S_CP_ORGASSIGNMENTDATA.


*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.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRWPC_S_CP_ORGASSIGNMENTDATA-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRWPC_S_CP_ORGASSIGNMENTDATA-COSTCENTER.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HRWPC_S_CP_ORGASSIGNMENTDATA_STR, 
PERNR TYPE STRING,
ENAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODE_TEXT TYPE STRING,
MOLGA TYPE STRING,
MOLGA_TEXT TYPE STRING,
PERSAREA TYPE STRING,
PERSAREA_TEXT TYPE STRING,
PERSSUBAREA TYPE STRING,
PERSSUBAREA_TEXT TYPE STRING,
COSTCENTER TYPE STRING,
COSTCENTER_TEXT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CONTROLLINGAREA_TEXT TYPE STRING,
BUSINESSAREA TYPE STRING,
BUSINESSAREA_TEXT TYPE STRING,
EMPGROUP TYPE STRING,
EMPGROUP_TEXT TYPE STRING,
EMPSUBGROUP TYPE STRING,
EMPSUBGROUP_TEXT TYPE STRING,
PAYROLLAREA TYPE STRING,
PAYROLLAREA_TEXT TYPE STRING,
ORGUNIT TYPE STRING,
ORGUNIT_TEXT TYPE STRING,
ORGUNIT_SHORTTEXT TYPE STRING,
JOB TYPE STRING,
JOB_TEXT TYPE STRING,
JOB_SHORTTEXT TYPE STRING,
POSITION TYPE STRING,
POSITION_TEXT TYPE STRING,
POSITION_SHORTTEXT TYPE STRING,
WORKCONTRACT TYPE STRING,
WORKCONTRACT_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRWPC_S_CP_ORGASSIGNMENTDATA_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_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PERNR sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-ENAME sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-COMPANYCODE sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-COMPANYCODE_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-MOLGA sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-MOLGA_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PERSAREA sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PERSAREA_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PERSSUBAREA sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PERSSUBAREA_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-COSTCENTER sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-COSTCENTER_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-CONTROLLINGAREA sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-CONTROLLINGAREA_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-BUSINESSAREA sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-BUSINESSAREA_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-EMPGROUP sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-EMPGROUP_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-EMPSUBGROUP sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-EMPSUBGROUP_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PAYROLLAREA sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-PAYROLLAREA_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-ORGUNIT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-ORGUNIT_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-ORGUNIT_SHORTTEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-JOB sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-JOB_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-JOB_SHORTTEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-POSITION sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-POSITION_TEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-POSITION_SHORTTEXT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-WORKCONTRACT sy-vline 
WA_HRWPC_S_CP_ORGASSIGNMENTDATA_STR-WORKCONTRACT_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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