ABAP Select data from SAP table FIRUS_RECON_REP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRUS_RECON_REP
*  INTO TABLE @DATA(IT_FIRUS_RECON_REP2).
*--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_FIRUS_RECON_REP INDEX 1 INTO DATA(WA_FIRUS_RECON_REP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRUS_RECON_REP>-KEY = 1.
<FIRUS_RECON_REP>-PARENT_KEY = 1.
<FIRUS_RECON_REP>-ROOT_KEY = 1.
<FIRUS_RECON_REP>-REPORTING_ENTITY = 1.
<FIRUS_RECON_REP>-PARTNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRUS_RECON_REP-CONTRACT, sy-vline,
  WA_FIRUS_RECON_REP-START_DATE, sy-vline,
  WA_FIRUS_RECON_REP-END_DATE, sy-vline,
  WA_FIRUS_RECON_REP-BEGINING_BALANCE, sy-vline,
  WA_FIRUS_RECON_REP-TURNOVER_D, sy-vline,
  WA_FIRUS_RECON_REP-TURNOVER_C, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRUS_RECON_REP 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_FIRUS_RECON_REP 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_FIRUS_RECON_REP INTO WA_FIRUS_RECON_REP.


*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 PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIRUS_RECON_REP-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRUS_RECON_REP-PARTNER.
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_FIRUS_RECON_REP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
REPORTING_ENTITY TYPE STRING,
PARTNER TYPE STRING,
CONTRACT TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
BEGINING_BALANCE TYPE STRING,
TURNOVER_D TYPE STRING,
TURNOVER_C TYPE STRING,
ENDING_BALANCE TYPE STRING,
APPROVED_AMOUNT TYPE STRING,
WAERS TYPE STRING,
STATUS TYPE STRING,
SENT_ON TYPE STRING,
RECEIVED_ON TYPE STRING,
CONFIRMED_ON TYPE STRING,
LOG_HANDLE TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CONTRACT_COMPANY TYPE STRING,
CONTRACT_STR TYPE STRING,
CONTRACT_TYPE TYPE STRING,
DISCREPANCY TYPE STRING,
PERIOD TYPE STRING,
CR_NAME TYPE STRING,
STATUS_DESCR TYPE STRING,
REPORTING_ENTITY_NAME TYPE STRING,
PARTNER_NAME TYPE STRING,
EXTCNUM TYPE STRING,
CNTDATE TYPE STRING,
BLOCKED TYPE STRING,
AUDITOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRUS_RECON_REP_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_FIRUS_RECON_REP_STR-KEY sy-vline 
WA_FIRUS_RECON_REP_STR-PARENT_KEY sy-vline 
WA_FIRUS_RECON_REP_STR-ROOT_KEY sy-vline 
WA_FIRUS_RECON_REP_STR-REPORTING_ENTITY sy-vline 
WA_FIRUS_RECON_REP_STR-PARTNER sy-vline 
WA_FIRUS_RECON_REP_STR-CONTRACT sy-vline 
WA_FIRUS_RECON_REP_STR-START_DATE sy-vline 
WA_FIRUS_RECON_REP_STR-END_DATE sy-vline 
WA_FIRUS_RECON_REP_STR-BEGINING_BALANCE sy-vline 
WA_FIRUS_RECON_REP_STR-TURNOVER_D sy-vline 
WA_FIRUS_RECON_REP_STR-TURNOVER_C sy-vline 
WA_FIRUS_RECON_REP_STR-ENDING_BALANCE sy-vline 
WA_FIRUS_RECON_REP_STR-APPROVED_AMOUNT sy-vline 
WA_FIRUS_RECON_REP_STR-WAERS sy-vline 
WA_FIRUS_RECON_REP_STR-STATUS sy-vline 
WA_FIRUS_RECON_REP_STR-SENT_ON sy-vline 
WA_FIRUS_RECON_REP_STR-RECEIVED_ON sy-vline 
WA_FIRUS_RECON_REP_STR-CONFIRMED_ON sy-vline 
WA_FIRUS_RECON_REP_STR-LOG_HANDLE sy-vline 
WA_FIRUS_RECON_REP_STR-CREATED_ON sy-vline 
WA_FIRUS_RECON_REP_STR-CREATED_BY sy-vline 
WA_FIRUS_RECON_REP_STR-CONTRACT_COMPANY sy-vline 
WA_FIRUS_RECON_REP_STR-CONTRACT_STR sy-vline 
WA_FIRUS_RECON_REP_STR-CONTRACT_TYPE sy-vline 
WA_FIRUS_RECON_REP_STR-DISCREPANCY sy-vline 
WA_FIRUS_RECON_REP_STR-PERIOD sy-vline 
WA_FIRUS_RECON_REP_STR-CR_NAME sy-vline 
WA_FIRUS_RECON_REP_STR-STATUS_DESCR sy-vline 
WA_FIRUS_RECON_REP_STR-REPORTING_ENTITY_NAME sy-vline 
WA_FIRUS_RECON_REP_STR-PARTNER_NAME sy-vline 
WA_FIRUS_RECON_REP_STR-EXTCNUM sy-vline 
WA_FIRUS_RECON_REP_STR-CNTDATE sy-vline 
WA_FIRUS_RECON_REP_STR-BLOCKED sy-vline 
WA_FIRUS_RECON_REP_STR-AUDITOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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