ABAP Select data from SAP table RECP_SCR_COSTITEMS_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_SCR_COSTITEMS_C
*  INTO TABLE @DATA(IT_RECP_SCR_COSTITEMS_C2).
*--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_RECP_SCR_COSTITEMS_C INDEX 1 INTO DATA(WA_RECP_SCR_COSTITEMS_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_SCR_COSTITEMS_C>-MANDT = 1.
<RECP_SCR_COSTITEMS_C>-SETTL_GUID = 1.
<RECP_SCR_COSTITEMS_C>-SETTL_LEVEL = 1.
<RECP_SCR_COSTITEMS_C>-SETTLOBJ_GUID = 1.
<RECP_SCR_COSTITEMS_C>-COSTACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_SCR_COSTITEMS_C-TAXACCOUNT, sy-vline,
  WA_RECP_SCR_COSTITEMS_C-TAXTYPE, sy-vline,
  WA_RECP_SCR_COSTITEMS_C-TAXGROUP, sy-vline,
  WA_RECP_SCR_COSTITEMS_C-COSTGUID, sy-vline,
  WA_RECP_SCR_COSTITEMS_C-OBJTYPE, sy-vline,
  WA_RECP_SCR_COSTITEMS_C-OBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_SCR_COSTITEMS_C 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_RECP_SCR_COSTITEMS_C 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_RECP_SCR_COSTITEMS_C INTO WA_RECP_SCR_COSTITEMS_C.


*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_RECP_SCR_COSTITEMS_C_STR, 
MANDT TYPE STRING,
SETTL_GUID TYPE STRING,
SETTL_LEVEL TYPE STRING,
SETTLOBJ_GUID TYPE STRING,
COSTACCOUNT TYPE STRING,
TAXACCOUNT TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
COSTGUID TYPE STRING,
OBJTYPE TYPE STRING,
OBJNR TYPE STRING,
CURRENCY TYPE STRING,
NET_AMOUNT TYPE STRING,
TAX_AMOUNT TYPE STRING,
DEDUCT_TAX TYPE STRING,
NONDEDUCT_TAX TYPE STRING,
GROSS_AMOUNT TYPE STRING,
PROCESSID TYPE STRING,
XSU TYPE STRING,
XSCKEY TYPE STRING,
ISPARTICIPATING TYPE STRING,
CUKY2ND TYPE STRING,
NET_AMOUNT_2ND TYPE STRING,
TAX_AMOUNT_2ND TYPE STRING,
DEDUCT_TAX_2ND TYPE STRING,
NONDEDUCT_TAX_2ND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_SCR_COSTITEMS_C_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_RECP_SCR_COSTITEMS_C_STR-MANDT sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-SETTL_GUID sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-SETTL_LEVEL sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-SETTLOBJ_GUID sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-COSTACCOUNT sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-TAXACCOUNT sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-TAXTYPE sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-TAXGROUP sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-COSTGUID sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-OBJTYPE sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-OBJNR sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-CURRENCY sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-NET_AMOUNT sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-TAX_AMOUNT sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-DEDUCT_TAX sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-NONDEDUCT_TAX sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-GROSS_AMOUNT sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-PROCESSID sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-XSU sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-XSCKEY sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-ISPARTICIPATING sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-CUKY2ND sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-NET_AMOUNT_2ND sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-TAX_AMOUNT_2ND sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-DEDUCT_TAX_2ND sy-vline 
WA_RECP_SCR_COSTITEMS_C_STR-NONDEDUCT_TAX_2ND sy-vline      INTO ld_text SEPARATED BY SPACE.

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