ABAP Select data from SAP table REXCJP_CP_SCR_OBJECT_C into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REXCJP_CP_SCR_OBJECT_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 REXCJP_CP_SCR_OBJECT_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 REXCJP_CP_SCR_OBJECT_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_REXCJP_CP_SCR_OBJECT_C TYPE STANDARD TABLE OF REXCJP_CP_SCR_OBJECT_C,
      WA_REXCJP_CP_SCR_OBJECT_C TYPE REXCJP_CP_SCR_OBJECT_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: <REXCJP_CP_SCR_OBJECT_C> TYPE REXCJP_CP_SCR_OBJECT_C.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCJP_CP_SCR_OBJECT_C
*  INTO TABLE @DATA(IT_REXCJP_CP_SCR_OBJECT_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_REXCJP_CP_SCR_OBJECT_C INDEX 1 INTO DATA(WA_REXCJP_CP_SCR_OBJECT_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCJP_CP_SCR_OBJECT_C>-SCS_PERIOD_GUID = 1.
<REXCJP_CP_SCR_OBJECT_C>-PERIODREFGUID = 1.
<REXCJP_CP_SCR_OBJECT_C>-RENTPERIODIND = 1.
<REXCJP_CP_SCR_OBJECT_C>-RO_OBJNR = 1.
<REXCJP_CP_SCR_OBJECT_C>-PFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCJP_CP_SCR_OBJECT_C-PTO, sy-vline,
  WA_REXCJP_CP_SCR_OBJECT_C-RO_OBJINFO, sy-vline,
  WA_REXCJP_CP_SCR_OBJECT_C-RO_OBJID, sy-vline,
  WA_REXCJP_CP_SCR_OBJECT_C-HAS_LIMITATION, sy-vline,
  WA_REXCJP_CP_SCR_OBJECT_C-MEASCHANGED, sy-vline,
  WA_REXCJP_CP_SCR_OBJECT_C-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCJP_CP_SCR_OBJECT_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_REXCJP_CP_SCR_OBJECT_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_REXCJP_CP_SCR_OBJECT_C INTO WA_REXCJP_CP_SCR_OBJECT_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.

*Conversion exit REDAT, internal->external for field PTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REXCJP_CP_SCR_OBJECT_C-PTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCJP_CP_SCR_OBJECT_C-PTO.
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_REXCJP_CP_SCR_OBJECT_C_STR, 
SCS_PERIOD_GUID TYPE STRING,
PERIODREFGUID TYPE STRING,
RENTPERIODIND TYPE STRING,
RO_OBJNR TYPE STRING,
PFROM TYPE STRING,
PTO TYPE STRING,
RO_OBJINFO TYPE STRING,
RO_OBJID TYPE STRING,
HAS_LIMITATION TYPE STRING,
MEASCHANGED TYPE STRING,
CURRENCY TYPE STRING,
GROSSAMOUNT_SUM TYPE STRING,
NET_AMOUNT_SUM TYPE STRING,
DEDUCT_TAX_SUM TYPE STRING,
NONDEDUCT_TAX_SUM TYPE STRING,
SU_GROSSAMOUNT_SUM TYPE STRING,
SU_NET_AMOUNT_SUM TYPE STRING,
SU_DEDUCT_TAX_SUM TYPE STRING,
SU_NONDEDUCT_TAX_SUM TYPE STRING,
CUKY2ND TYPE STRING,
GROSSAMOUNT_SUM_2ND TYPE STRING,
NET_AMOUNT_SUM_2ND TYPE STRING,
DEDUCT_TAX_SUM_2ND TYPE STRING,
NONDEDUCT_TAX_SUM_2ND TYPE STRING,
SU_GROSSAMOUNT_SUM_2ND TYPE STRING,
SU_NET_AMOUNT_SUM_2ND TYPE STRING,
SU_DEDUCT_TAX_SUM_2ND TYPE STRING,
SU_NONDEDUCT_TAX_SUM_2ND TYPE STRING,
CURRENCY_OBJ_AMOUNT TYPE STRING,
GROSSAMOUNT_OBJ_AMOUNT_SUM TYPE STRING,
NETAMOUNT_OBJ_AMOUNT_SUM TYPE STRING,
TAXAMOUNT_OBJ_AMOUNT_SUM TYPE STRING,
CUKY2ND_OBJ_AMOUNT TYPE STRING,
GROSSAMOUNT_OBJ_AMOUNT_SUM_2ND TYPE STRING,
NETAMOUNT_OBJ_AMOUNT_SUM_2ND TYPE STRING,
TAXAMOUNT_OBJ_AMOUNT_SUM_2ND TYPE STRING,
RESULTS_NEW TYPE STRING,
MEAS TYPE STRING,
AMOUNTS TYPE STRING,
MEAS_4_PDF TYPE STRING,
RESULTS_EXTRACHARGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCJP_CP_SCR_OBJECT_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_REXCJP_CP_SCR_OBJECT_C_STR-SCS_PERIOD_GUID sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-PERIODREFGUID sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-RENTPERIODIND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-RO_OBJNR sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-PFROM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-PTO sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-RO_OBJINFO sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-RO_OBJID sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-HAS_LIMITATION sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-MEASCHANGED sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-CURRENCY sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-GROSSAMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-NET_AMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-DEDUCT_TAX_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-NONDEDUCT_TAX_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_GROSSAMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_NET_AMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_DEDUCT_TAX_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_NONDEDUCT_TAX_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-CUKY2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-GROSSAMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-NET_AMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-DEDUCT_TAX_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-NONDEDUCT_TAX_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_GROSSAMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_NET_AMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_DEDUCT_TAX_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-SU_NONDEDUCT_TAX_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-CURRENCY_OBJ_AMOUNT sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-GROSSAMOUNT_OBJ_AMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-NETAMOUNT_OBJ_AMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-TAXAMOUNT_OBJ_AMOUNT_SUM sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-CUKY2ND_OBJ_AMOUNT sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-GROSSAMOUNT_OBJ_AMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-NETAMOUNT_OBJ_AMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-TAXAMOUNT_OBJ_AMOUNT_SUM_2ND sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-RESULTS_NEW sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-MEAS sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-AMOUNTS sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-MEAS_4_PDF sy-vline 
WA_REXCJP_CP_SCR_OBJECT_C_STR-RESULTS_EXTRACHARGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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