ABAP Select data from SAP table HRHCP_S_PLANSIMU_COSTITEMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRHCP_S_PLANSIMU_COSTITEMS
*  INTO TABLE @DATA(IT_HRHCP_S_PLANSIMU_COSTITEMS2).
*--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_HRHCP_S_PLANSIMU_COSTITEMS INDEX 1 INTO DATA(WA_HRHCP_S_PLANSIMU_COSTITEMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRHCP_S_PLANSIMU_COSTITEMS>-CITEM = 1.
<HRHCP_S_PLANSIMU_COSTITEMS>-BEGDA = 1.
<HRHCP_S_PLANSIMU_COSTITEMS>-ENDDA = 1.
<HRHCP_S_PLANSIMU_COSTITEMS>-BETRG = 1.
<HRHCP_S_PLANSIMU_COSTITEMS>-RATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRHCP_S_PLANSIMU_COSTITEMS-WAERS, sy-vline,
  WA_HRHCP_S_PLANSIMU_COSTITEMS-ANZHL, sy-vline,
  WA_HRHCP_S_PLANSIMU_COSTITEMS-UNIT, sy-vline,
  WA_HRHCP_S_PLANSIMU_COSTITEMS-PERIO, sy-vline,
  WA_HRHCP_S_PLANSIMU_COSTITEMS-INTERFACE, sy-vline,
  WA_HRHCP_S_PLANSIMU_COSTITEMS-SW_ADCI_DPCI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRHCP_S_PLANSIMU_COSTITEMS 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_HRHCP_S_PLANSIMU_COSTITEMS 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_HRHCP_S_PLANSIMU_COSTITEMS INTO WA_HRHCP_S_PLANSIMU_COSTITEMS.


*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_HRHCP_S_PLANSIMU_COSTITEMS_STR, 
CITEM TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
BETRG TYPE STRING,
RATE TYPE STRING,
WAERS TYPE STRING,
ANZHL TYPE STRING,
UNIT TYPE STRING,
PERIO TYPE STRING,
INTERFACE TYPE STRING,
SW_ADCI_DPCI TYPE STRING,
SW_VALU TYPE STRING,
CITEM_BAS TYPE STRING,
ORGGRP TYPE STRING,
DIFFCA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRHCP_S_PLANSIMU_COSTITEMS_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_HRHCP_S_PLANSIMU_COSTITEMS_STR-CITEM sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-BEGDA sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-ENDDA sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-BETRG sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-RATE sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-WAERS sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-ANZHL sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-UNIT sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-PERIO sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-INTERFACE sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-SW_ADCI_DPCI sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-SW_VALU sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-CITEM_BAS sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-ORGGRP sy-vline 
WA_HRHCP_S_PLANSIMU_COSTITEMS_STR-DIFFCA sy-vline      INTO ld_text SEPARATED BY SPACE.

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