ABAP Select data from SAP table FINS_ACDOC_HEADER_IN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_ACDOC_HEADER_IN
*  INTO TABLE @DATA(IT_FINS_ACDOC_HEADER_IN2).
*--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_FINS_ACDOC_HEADER_IN INDEX 1 INTO DATA(WA_FINS_ACDOC_HEADER_IN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_ACDOC_HEADER_IN>-COMPANYCODE = 1.
<FINS_ACDOC_HEADER_IN>-ACCOUNTINGDOCUMENT = 1.
<FINS_ACDOC_HEADER_IN>-FISCALYEAR = 1.
<FINS_ACDOC_HEADER_IN>-TRANSACTIONCODE = 1.
<FINS_ACDOC_HEADER_IN>-ACCOUNTINGDOCUMENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_ACDOC_HEADER_IN-DOCUMENTDATE, sy-vline,
  WA_FINS_ACDOC_HEADER_IN-FISCALPERIOD, sy-vline,
  WA_FINS_ACDOC_HEADER_IN-ACCOUNTINGDOCUMENTCREATIONDATE, sy-vline,
  WA_FINS_ACDOC_HEADER_IN-CREATIONTIME, sy-vline,
  WA_FINS_ACDOC_HEADER_IN-LASTCHANGEDATE, sy-vline,
  WA_FINS_ACDOC_HEADER_IN-ACCOUNTINGDOCCREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_ACDOC_HEADER_IN 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_FINS_ACDOC_HEADER_IN 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_FINS_ACDOC_HEADER_IN INTO WA_FINS_ACDOC_HEADER_IN.


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

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

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

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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_ACDOC_HEADER_IN-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_ACDOC_HEADER_IN-EXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field TAXEXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_ACDOC_HEADER_IN-TAXEXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_ACDOC_HEADER_IN-TAXEXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ODNIT, internal->external for field ALTERNATIVEREFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ODNIT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_ACDOC_HEADER_IN-ALTERNATIVEREFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_ACDOC_HEADER_IN-ALTERNATIVEREFERENCEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JRNLENTRYCNTRYSPECIFICBP1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINS_ACDOC_HEADER_IN-JRNLENTRYCNTRYSPECIFICBP1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_ACDOC_HEADER_IN-JRNLENTRYCNTRYSPECIFICBP1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JRNLENTRYCNTRYSPECIFICBP2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINS_ACDOC_HEADER_IN-JRNLENTRYCNTRYSPECIFICBP2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_ACDOC_HEADER_IN-JRNLENTRYCNTRYSPECIFICBP2.
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_FINS_ACDOC_HEADER_IN_STR, 
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TRANSACTIONCODE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
ACCOUNTINGDOCUMENTCREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
ACCOUNTINGDOCCREATEDBYUSER TYPE STRING,
INTERCOMPANYTRANSACTION TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
REVERSEDOCUMENTFISCALYEAR TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TAXISCALCULATEDAUTOMATICALLY TYPE STRING,
BRANCH TYPE STRING,
LEDGERGROUP TYPE STRING,
REVERSALREASON TYPE STRING,
TAXEXCHANGERATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
ACCOUNTINGDOCUMENTCLASS TYPE STRING,
EXCHANGERATETYPE TYPE STRING,
ISREVERSALDOCUMENT TYPE STRING,
POSTINGDATE TYPE STRING,
EXCHANGERATEDATE TYPE STRING,
INVOICERECEIPTDATE TYPE STRING,
PAYMENTCARDTYPE TYPE STRING,
PAYMENTCARDID TYPE STRING,
LATEPAYMENTREASON TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
REFERENCEDOCUMENTLOGICALSYSTEM TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
ACCOUNTINGDOCEXTERNALREFERENCE TYPE STRING,
ALTERNATIVEREFERENCEDOCUMENT TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF1 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE1 TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF2 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE2 TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF3 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE3 TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF4 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE4 TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF5 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE5 TYPE STRING,
JRNLENTRYCNTRYSPECIFICBP1 TYPE STRING,
JRNLENTRYCNTRYSPECIFICBP2 TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
REFERENCE1INDOCUMENTHEADER TYPE STRING,
REFERENCE2INDOCUMENTHEADER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_ACDOC_HEADER_IN_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_FINS_ACDOC_HEADER_IN_STR-COMPANYCODE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-FISCALYEAR sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-TRANSACTIONCODE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-DOCUMENTDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-FISCALPERIOD sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCUMENTCREATIONDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-CREATIONTIME sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-LASTCHANGEDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCCREATEDBYUSER sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-INTERCOMPANYTRANSACTION sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REVERSEDOCUMENT sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REVERSEDOCUMENTFISCALYEAR sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-TRANSACTIONCURRENCY sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-EXCHANGERATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-COMPANYCODECURRENCY sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-TAXISCALCULATEDAUTOMATICALLY sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-BRANCH sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-LEDGERGROUP sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REVERSALREASON sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-TAXEXCHANGERATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-TAXREPORTINGDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCUMENTCLASS sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-EXCHANGERATETYPE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ISREVERSALDOCUMENT sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-POSTINGDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-EXCHANGERATEDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-INVOICERECEIPTDATE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-PAYMENTCARDTYPE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-PAYMENTCARDID sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-LATEPAYMENTREASON sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REFERENCEDOCUMENTLOGICALSYSTEM sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCEXTERNALREFERENCE sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ALTERNATIVEREFERENCEDOCUMENT sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICREF1 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICDATE1 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICREF2 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICDATE2 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICREF3 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICDATE3 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICREF4 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICDATE4 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICREF5 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICDATE5 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICBP1 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-JRNLENTRYCNTRYSPECIFICBP2 sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REFERENCE1INDOCUMENTHEADER sy-vline 
WA_FINS_ACDOC_HEADER_IN_STR-REFERENCE2INDOCUMENTHEADER sy-vline      INTO ld_text SEPARATED BY SPACE.

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