ABAP Select data from SAP table ISDEXCTDY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISDEXCTDY
*  INTO TABLE @DATA(IT_ISDEXCTDY2).
*--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_ISDEXCTDY INDEX 1 INTO DATA(WA_ISDEXCTDY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISDEXCTDY>-MANDT = 1.
<ISDEXCTDY>-EXCISETRANSACTIONTYPE = 1.
<ISDEXCTDY>-EXCISEDOCUMENTYEAR = 1.
<ISDEXCTDY>-INTERNALEXCISEDOCNUMBER = 1.
<ISDEXCTDY>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISDEXCTDY-PLANT, sy-vline,
  WA_ISDEXCTDY-EXCISEGROUP, sy-vline,
  WA_ISDEXCTDY-EXCISESERIESGROUP, sy-vline,
  WA_ISDEXCTDY-OFFICIALEXCISEDOCNUMBER, sy-vline,
  WA_ISDEXCTDY-EXCISEDOCUMENTDATE, sy-vline,
  WA_ISDEXCTDY-EXCISEYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISDEXCTDY 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_ISDEXCTDY 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_ISDEXCTDY INTO WA_ISDEXCTDY.


*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 EXCISEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ISDEXCTDY-EXCISEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDEXCTDY-EXCISEYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field EXCISESHIPFROM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISDEXCTDY-EXCISESHIPFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDEXCTDY-EXCISESHIPFROM.
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_ISDEXCTDY_STR, 
MANDT TYPE STRING,
EXCISETRANSACTIONTYPE TYPE STRING,
EXCISEDOCUMENTYEAR TYPE STRING,
INTERNALEXCISEDOCNUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
EXCISEGROUP TYPE STRING,
EXCISESERIESGROUP TYPE STRING,
OFFICIALEXCISEDOCNUMBER TYPE STRING,
EXCISEDOCUMENTDATE TYPE STRING,
EXCISEYEAR TYPE STRING,
EXCISEGOODSTIMEOFREMOVAL TYPE STRING,
EXCISESUPPLIER TYPE STRING,
EXCISESHIPFROM TYPE STRING,
ISSUINGRECEIVINGPLANT TYPE STRING,
CURRENCY TYPE STRING,
BEDAMOUNT TYPE STRING,
SEDAMOUNT TYPE STRING,
AEDAMOUNT TYPE STRING,
CESSAMOUNT TYPE STRING,
INTERNALREFERENCEDOCUMENT TYPE STRING,
EXCISEREFDOC1 TYPE STRING,
EXCISEREFDOCYEAR1 TYPE STRING,
EXCISEREFDOCTYPE1 TYPE STRING,
EXCISEDOCSTATUS TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
POSTINGDATE TYPE STRING,
RULEORSECTION TYPE STRING,
EXCISEPREPRINTEDSERIALNUMBER TYPE STRING,
ACCOUNTINGDOCUMENTCREATIONDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISDEXCTDY_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_ISDEXCTDY_STR-MANDT sy-vline 
WA_ISDEXCTDY_STR-EXCISETRANSACTIONTYPE sy-vline 
WA_ISDEXCTDY_STR-EXCISEDOCUMENTYEAR sy-vline 
WA_ISDEXCTDY_STR-INTERNALEXCISEDOCNUMBER sy-vline 
WA_ISDEXCTDY_STR-COMPANYCODE sy-vline 
WA_ISDEXCTDY_STR-PLANT sy-vline 
WA_ISDEXCTDY_STR-EXCISEGROUP sy-vline 
WA_ISDEXCTDY_STR-EXCISESERIESGROUP sy-vline 
WA_ISDEXCTDY_STR-OFFICIALEXCISEDOCNUMBER sy-vline 
WA_ISDEXCTDY_STR-EXCISEDOCUMENTDATE sy-vline 
WA_ISDEXCTDY_STR-EXCISEYEAR sy-vline 
WA_ISDEXCTDY_STR-EXCISEGOODSTIMEOFREMOVAL sy-vline 
WA_ISDEXCTDY_STR-EXCISESUPPLIER sy-vline 
WA_ISDEXCTDY_STR-EXCISESHIPFROM sy-vline 
WA_ISDEXCTDY_STR-ISSUINGRECEIVINGPLANT sy-vline 
WA_ISDEXCTDY_STR-CURRENCY sy-vline 
WA_ISDEXCTDY_STR-BEDAMOUNT sy-vline 
WA_ISDEXCTDY_STR-SEDAMOUNT sy-vline 
WA_ISDEXCTDY_STR-AEDAMOUNT sy-vline 
WA_ISDEXCTDY_STR-CESSAMOUNT sy-vline 
WA_ISDEXCTDY_STR-INTERNALREFERENCEDOCUMENT sy-vline 
WA_ISDEXCTDY_STR-EXCISEREFDOC1 sy-vline 
WA_ISDEXCTDY_STR-EXCISEREFDOCYEAR1 sy-vline 
WA_ISDEXCTDY_STR-EXCISEREFDOCTYPE1 sy-vline 
WA_ISDEXCTDY_STR-EXCISEDOCSTATUS sy-vline 
WA_ISDEXCTDY_STR-CREATIONDATE sy-vline 
WA_ISDEXCTDY_STR-CREATIONTIME sy-vline 
WA_ISDEXCTDY_STR-CREATEDBYUSER sy-vline 
WA_ISDEXCTDY_STR-POSTINGDATE sy-vline 
WA_ISDEXCTDY_STR-RULEORSECTION sy-vline 
WA_ISDEXCTDY_STR-EXCISEPREPRINTEDSERIALNUMBER sy-vline 
WA_ISDEXCTDY_STR-ACCOUNTINGDOCUMENTCREATIONDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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