ABAP Select data from SAP table FCOS_INTERNAL_ORDER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCOS_INTERNAL_ORDER 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_INTERNAL_ORDER. 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_INTERNAL_ORDER 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_INTERNAL_ORDER TYPE STANDARD TABLE OF FCOS_INTERNAL_ORDER,
      WA_FCOS_INTERNAL_ORDER TYPE FCOS_INTERNAL_ORDER,
      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_INTERNAL_ORDER> TYPE FCOS_INTERNAL_ORDER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOS_INTERNAL_ORDER
*  INTO TABLE @DATA(IT_FCOS_INTERNAL_ORDER2).
*--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_INTERNAL_ORDER INDEX 1 INTO DATA(WA_FCOS_INTERNAL_ORDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOS_INTERNAL_ORDER>-GENERATED_ID = 1.
<FCOS_INTERNAL_ORDER>-INTERNALORDER = 1.
<FCOS_INTERNAL_ORDER>-ORDERDESCRIPTION = 1.
<FCOS_INTERNAL_ORDER>-ORDERCATEGORY = 1.
<FCOS_INTERNAL_ORDER>-BUSINESSAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOS_INTERNAL_ORDER-CONTROLLINGAREA, sy-vline,
  WA_FCOS_INTERNAL_ORDER-PLANT, sy-vline,
  WA_FCOS_INTERNAL_ORDER-ORDERCURRENCY, sy-vline,
  WA_FCOS_INTERNAL_ORDER-ISSTATISTICALORDER, sy-vline,
  WA_FCOS_INTERNAL_ORDER-REFERENCEORDER, sy-vline,
  WA_FCOS_INTERNAL_ORDER-CREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOS_INTERNAL_ORDER 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_INTERNAL_ORDER 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_INTERNAL_ORDER INTO WA_FCOS_INTERNAL_ORDER.


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

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

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

*Conversion exit ALPHA, internal->external for field RESPONSIBLECOSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOS_INTERNAL_ORDER-RESPONSIBLECOSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOS_INTERNAL_ORDER-RESPONSIBLECOSTCENTER.
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_INTERNAL_ORDER_STR, 
GENERATED_ID TYPE STRING,
INTERNALORDER TYPE STRING,
ORDERDESCRIPTION TYPE STRING,
ORDERCATEGORY TYPE STRING,
BUSINESSAREA TYPE STRING,
CONTROLLINGAREA TYPE STRING,
PLANT TYPE STRING,
ORDERCURRENCY TYPE STRING,
ISSTATISTICALORDER TYPE STRING,
REFERENCEORDER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGETIME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
PROFITCENTER TYPE STRING,
PROFITCENTERNAME TYPE STRING,
FUNCTIONALAREA TYPE STRING,
FUNCTIONALAREANAME TYPE STRING,
OBJECTIVECLASS TYPE STRING,
CONTROLLINGOBJECTCLASSNAME TYPE STRING,
ORDERTYPE TYPE STRING,
ORDERTYPENAME TYPE STRING,
ISDELETED TYPE STRING,
STATUSNAME TYPE STRING,
RESPONSIBLECOSTCENTER TYPE STRING,
COSTCENTERDESCRIPTION TYPE STRING,
INTERNALORDERRESPONSIBLEUSER TYPE STRING,
PERSONFULLNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOS_INTERNAL_ORDER_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_INTERNAL_ORDER_STR-GENERATED_ID sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-INTERNALORDER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ORDERDESCRIPTION sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ORDERCATEGORY sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-BUSINESSAREA sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-CONTROLLINGAREA sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-PLANT sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ORDERCURRENCY sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ISSTATISTICALORDER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-REFERENCEORDER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-CREATIONDATE sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-CREATEDBYUSER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-LASTCHANGEDBYUSER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-LASTCHANGETIME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-COMPANYCODE sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-COMPANYCODENAME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-PROFITCENTER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-PROFITCENTERNAME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-FUNCTIONALAREA sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-FUNCTIONALAREANAME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-OBJECTIVECLASS sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-CONTROLLINGOBJECTCLASSNAME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ORDERTYPE sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ORDERTYPENAME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-ISDELETED sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-STATUSNAME sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-RESPONSIBLECOSTCENTER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-COSTCENTERDESCRIPTION sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-INTERNALORDERRESPONSIBLEUSER sy-vline 
WA_FCOS_INTERNAL_ORDER_STR-PERSONFULLNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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