ABAP Select data from SAP table FCOS_RTPC_POST_REF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOS_RTPC_POST_REF
*  INTO TABLE @DATA(IT_FCOS_RTPC_POST_REF2).
*--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_FCOS_RTPC_POST_REF INDEX 1 INTO DATA(WA_FCOS_RTPC_POST_REF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOS_RTPC_POST_REF>-ORDER_ID = 1.
<FCOS_RTPC_POST_REF>-ORDER_CATEGORY = 1.
<FCOS_RTPC_POST_REF>-ORDER_TYPE = 1.
<FCOS_RTPC_POST_REF>-COMPANY_CODE = 1.
<FCOS_RTPC_POST_REF>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOS_RTPC_POST_REF-PROFIT_CENTER, sy-vline,
  WA_FCOS_RTPC_POST_REF-FISCAL_YEAR, sy-vline,
  WA_FCOS_RTPC_POST_REF-FISCAL_PERIOD, sy-vline,
  WA_FCOS_RTPC_POST_REF-REF_TYPE, sy-vline,
  WA_FCOS_RTPC_POST_REF-REF_DOC, sy-vline,
  WA_FCOS_RTPC_POST_REF-REF_ORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOS_RTPC_POST_REF 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_FCOS_RTPC_POST_REF 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_FCOS_RTPC_POST_REF INTO WA_FCOS_RTPC_POST_REF.


*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 ORDER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOS_RTPC_POST_REF-ORDER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOS_RTPC_POST_REF-ORDER_ID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field FISCAL_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCOS_RTPC_POST_REF-FISCAL_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOS_RTPC_POST_REF-FISCAL_YEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field SETTLMT_REF_SYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOS_RTPC_POST_REF-SETTLMT_REF_SYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOS_RTPC_POST_REF-SETTLMT_REF_SYS.
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_FCOS_RTPC_POST_REF_STR, 
ORDER_ID TYPE STRING,
ORDER_CATEGORY TYPE STRING,
ORDER_TYPE TYPE STRING,
COMPANY_CODE TYPE STRING,
PLANT TYPE STRING,
PROFIT_CENTER TYPE STRING,
FISCAL_YEAR TYPE STRING,
FISCAL_PERIOD TYPE STRING,
REF_TYPE TYPE STRING,
REF_DOC TYPE STRING,
REF_ORG TYPE STRING,
REF_SYS TYPE STRING,
REVERSE_REF_TYPE TYPE STRING,
REVERSE_REF_DOC TYPE STRING,
REVERSE_REF_ORG TYPE STRING,
SETTLMT_REF_TYPE TYPE STRING,
SETTLMT_REF_DOC TYPE STRING,
SETTLMT_REF_ORG TYPE STRING,
SETTLMT_REF_SYS TYPE STRING,
DOCUMENT_DATE TYPE STRING,
POSTING_DATE TYPE STRING,
TRANSLATION_DATE TYPE STRING,
VALUE_DATE TYPE STRING,
USNAM TYPE STRING,
TCODE TYPE STRING,
BTTYPE TYPE STRING,
T_AWKEY TYPE STRING,
REVALUATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOS_RTPC_POST_REF_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_FCOS_RTPC_POST_REF_STR-ORDER_ID sy-vline 
WA_FCOS_RTPC_POST_REF_STR-ORDER_CATEGORY sy-vline 
WA_FCOS_RTPC_POST_REF_STR-ORDER_TYPE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-COMPANY_CODE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-PLANT sy-vline 
WA_FCOS_RTPC_POST_REF_STR-PROFIT_CENTER sy-vline 
WA_FCOS_RTPC_POST_REF_STR-FISCAL_YEAR sy-vline 
WA_FCOS_RTPC_POST_REF_STR-FISCAL_PERIOD sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REF_TYPE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REF_DOC sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REF_ORG sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REF_SYS sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REVERSE_REF_TYPE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REVERSE_REF_DOC sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REVERSE_REF_ORG sy-vline 
WA_FCOS_RTPC_POST_REF_STR-SETTLMT_REF_TYPE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-SETTLMT_REF_DOC sy-vline 
WA_FCOS_RTPC_POST_REF_STR-SETTLMT_REF_ORG sy-vline 
WA_FCOS_RTPC_POST_REF_STR-SETTLMT_REF_SYS sy-vline 
WA_FCOS_RTPC_POST_REF_STR-DOCUMENT_DATE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-POSTING_DATE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-TRANSLATION_DATE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-VALUE_DATE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-USNAM sy-vline 
WA_FCOS_RTPC_POST_REF_STR-TCODE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-BTTYPE sy-vline 
WA_FCOS_RTPC_POST_REF_STR-T_AWKEY sy-vline 
WA_FCOS_RTPC_POST_REF_STR-REVALUATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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