ABAP Select data from SAP table HRPCP_WIZ1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPCP_WIZ1 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 HRPCP_WIZ1. 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 HRPCP_WIZ1 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_HRPCP_WIZ1 TYPE STANDARD TABLE OF HRPCP_WIZ1,
      WA_HRPCP_WIZ1 TYPE HRPCP_WIZ1,
      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: <HRPCP_WIZ1> TYPE HRPCP_WIZ1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPCP_WIZ1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPCP_WIZ1
  INTO TABLE IT_HRPCP_WIZ1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPCP_WIZ1
*  INTO TABLE @DATA(IT_HRPCP_WIZ12).
*--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_HRPCP_WIZ1 INDEX 1 INTO DATA(WA_HRPCP_WIZ12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPCP_WIZ1 ASSIGNING <HRPCP_WIZ1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPCP_WIZ1>-USE_CO_NOT = 1.
<HRPCP_WIZ1>-USE_CO_NEW = 1.
<HRPCP_WIZ1>-USE_CO_OLD = 1.
<HRPCP_WIZ1>-CO_DELTA = 1.
<HRPCP_WIZ1>-CO_PLANTYPE = 1.

ENDLOOP.

LOOP AT IT_HRPCP_WIZ1 INTO WA_HRPCP_WIZ1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPCP_WIZ1-CO_PLANTYPE_TXT, sy-vline,
  WA_HRPCP_WIZ1-ABART, sy-vline,
  WA_HRPCP_WIZ1-SUBTY, sy-vline,
  WA_HRPCP_WIZ1-SUBTY_TXT, sy-vline,
  WA_HRPCP_WIZ1-SPATH, sy-vline,
  WA_HRPCP_WIZ1-SPATH_TXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPCP_WIZ1 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_HRPCP_WIZ1 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_HRPCP_WIZ1 INTO WA_HRPCP_WIZ1.


*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_HRPCP_WIZ1_STR, 
USE_CO_NOT TYPE STRING,
USE_CO_NEW TYPE STRING,
USE_CO_OLD TYPE STRING,
CO_DELTA TYPE STRING,
CO_PLANTYPE TYPE STRING,
CO_PLANTYPE_TXT TYPE STRING,
ABART TYPE STRING,
SUBTY TYPE STRING,
SUBTY_TXT TYPE STRING,
SPATH TYPE STRING,
SPATH_TXT TYPE STRING,
OPATH TYPE STRING,
OPATH_TXT TYPE STRING,
USE0P TYPE STRING,
MULTP TYPE STRING,
HEADC TYPE STRING,
TOTAL TYPE STRING,
ROUND TYPE STRING,
BUKRS TYPE STRING,
CURTY TYPE STRING,
PERTP TYPE STRING,
AUTHM TYPE STRING,
EXCEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPCP_WIZ1_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_HRPCP_WIZ1_STR-USE_CO_NOT sy-vline 
WA_HRPCP_WIZ1_STR-USE_CO_NEW sy-vline 
WA_HRPCP_WIZ1_STR-USE_CO_OLD sy-vline 
WA_HRPCP_WIZ1_STR-CO_DELTA sy-vline 
WA_HRPCP_WIZ1_STR-CO_PLANTYPE sy-vline 
WA_HRPCP_WIZ1_STR-CO_PLANTYPE_TXT sy-vline 
WA_HRPCP_WIZ1_STR-ABART sy-vline 
WA_HRPCP_WIZ1_STR-SUBTY sy-vline 
WA_HRPCP_WIZ1_STR-SUBTY_TXT sy-vline 
WA_HRPCP_WIZ1_STR-SPATH sy-vline 
WA_HRPCP_WIZ1_STR-SPATH_TXT sy-vline 
WA_HRPCP_WIZ1_STR-OPATH sy-vline 
WA_HRPCP_WIZ1_STR-OPATH_TXT sy-vline 
WA_HRPCP_WIZ1_STR-USE0P sy-vline 
WA_HRPCP_WIZ1_STR-MULTP sy-vline 
WA_HRPCP_WIZ1_STR-HEADC sy-vline 
WA_HRPCP_WIZ1_STR-TOTAL sy-vline 
WA_HRPCP_WIZ1_STR-ROUND sy-vline 
WA_HRPCP_WIZ1_STR-BUKRS sy-vline 
WA_HRPCP_WIZ1_STR-CURTY sy-vline 
WA_HRPCP_WIZ1_STR-PERTP sy-vline 
WA_HRPCP_WIZ1_STR-AUTHM sy-vline 
WA_HRPCP_WIZ1_STR-EXCEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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