ABAP Select data from SAP table CGRCSAMEAMTDESC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGRCSAMEAMTDESC
*  INTO TABLE @DATA(IT_CGRCSAMEAMTDESC2).
*--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_CGRCSAMEAMTDESC INDEX 1 INTO DATA(WA_CGRCSAMEAMTDESC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGRCSAMEAMTDESC>-MANDT = 1.
<CGRCSAMEAMTDESC>-COMPANYCODE = 1.
<CGRCSAMEAMTDESC>-FISCALYEAR = 1.
<CGRCSAMEAMTDESC>-JOURNALENTRY = 1.
<CGRCSAMEAMTDESC>-LEDGERGLLINEITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGRCSAMEAMTDESC-LEDGER, sy-vline,
  WA_CGRCSAMEAMTDESC-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_CGRCSAMEAMTDESC-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_CGRCSAMEAMTDESC-ACCOUNTINGDOCUMENTHEADERTEXT, sy-vline,
  WA_CGRCSAMEAMTDESC-NMBROFDPLJOURNALENTRYITEM, sy-vline,
  WA_CGRCSAMEAMTDESC-GLACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGRCSAMEAMTDESC 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_CGRCSAMEAMTDESC 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_CGRCSAMEAMTDESC INTO WA_CGRCSAMEAMTDESC.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CGRCSAMEAMTDESC-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGRCSAMEAMTDESC-CUSTOMER.
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_CGRCSAMEAMTDESC_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
JOURNALENTRY TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
LEDGER TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
NMBROFDPLJOURNALENTRYITEM TYPE STRING,
GLACCOUNT TYPE STRING,
POSTINGDATE TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
ACCOUNTINGDOCCREATEDBYUSER TYPE STRING,
TRANSACTIONCODE TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
DEBITAMOUNTINCOCODECRCY TYPE STRING,
CREDITAMOUNTINCOCODECRCY TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CONTROLLINGAREANAME TYPE STRING,
PROFITCENTER TYPE STRING,
COSTCENTER TYPE STRING,
DOCUMENTDATE TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LEDGERFISCALYEAR TYPE STRING,
COMPANYCODENAME TYPE STRING,
FULLNAME TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
FISCALPERIOD TYPE STRING,
DEBITCREDITCODE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
SUPPLIER TYPE STRING,
CUSTOMER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGRCSAMEAMTDESC_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_CGRCSAMEAMTDESC_STR-MANDT sy-vline 
WA_CGRCSAMEAMTDESC_STR-COMPANYCODE sy-vline 
WA_CGRCSAMEAMTDESC_STR-FISCALYEAR sy-vline 
WA_CGRCSAMEAMTDESC_STR-JOURNALENTRY sy-vline 
WA_CGRCSAMEAMTDESC_STR-LEDGERGLLINEITEM sy-vline 
WA_CGRCSAMEAMTDESC_STR-LEDGER sy-vline 
WA_CGRCSAMEAMTDESC_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CGRCSAMEAMTDESC_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CGRCSAMEAMTDESC_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_CGRCSAMEAMTDESC_STR-NMBROFDPLJOURNALENTRYITEM sy-vline 
WA_CGRCSAMEAMTDESC_STR-GLACCOUNT sy-vline 
WA_CGRCSAMEAMTDESC_STR-POSTINGDATE sy-vline 
WA_CGRCSAMEAMTDESC_STR-FISCALYEARPERIOD sy-vline 
WA_CGRCSAMEAMTDESC_STR-ACCOUNTINGDOCCREATEDBYUSER sy-vline 
WA_CGRCSAMEAMTDESC_STR-TRANSACTIONCODE sy-vline 
WA_CGRCSAMEAMTDESC_STR-REVERSEDOCUMENT sy-vline 
WA_CGRCSAMEAMTDESC_STR-DOCUMENTREFERENCEID sy-vline 
WA_CGRCSAMEAMTDESC_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_CGRCSAMEAMTDESC_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_CGRCSAMEAMTDESC_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_CGRCSAMEAMTDESC_STR-TRANSACTIONCURRENCY sy-vline 
WA_CGRCSAMEAMTDESC_STR-COMPANYCODECURRENCY sy-vline 
WA_CGRCSAMEAMTDESC_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CGRCSAMEAMTDESC_STR-DEBITAMOUNTINCOCODECRCY sy-vline 
WA_CGRCSAMEAMTDESC_STR-CREDITAMOUNTINCOCODECRCY sy-vline 
WA_CGRCSAMEAMTDESC_STR-CHARTOFACCOUNTS sy-vline 
WA_CGRCSAMEAMTDESC_STR-CONTROLLINGAREA sy-vline 
WA_CGRCSAMEAMTDESC_STR-CONTROLLINGAREANAME sy-vline 
WA_CGRCSAMEAMTDESC_STR-PROFITCENTER sy-vline 
WA_CGRCSAMEAMTDESC_STR-COSTCENTER sy-vline 
WA_CGRCSAMEAMTDESC_STR-DOCUMENTDATE sy-vline 
WA_CGRCSAMEAMTDESC_STR-CREATIONDATE sy-vline 
WA_CGRCSAMEAMTDESC_STR-LASTCHANGEDATETIME sy-vline 
WA_CGRCSAMEAMTDESC_STR-LEDGERFISCALYEAR sy-vline 
WA_CGRCSAMEAMTDESC_STR-COMPANYCODENAME sy-vline 
WA_CGRCSAMEAMTDESC_STR-FULLNAME sy-vline 
WA_CGRCSAMEAMTDESC_STR-FISCALYEARVARIANT sy-vline 
WA_CGRCSAMEAMTDESC_STR-FISCALPERIOD sy-vline 
WA_CGRCSAMEAMTDESC_STR-DEBITCREDITCODE sy-vline 
WA_CGRCSAMEAMTDESC_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_CGRCSAMEAMTDESC_STR-SUPPLIER sy-vline 
WA_CGRCSAMEAMTDESC_STR-CUSTOMER sy-vline      INTO ld_text SEPARATED BY SPACE.

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