ABAP Select data from SAP table FIN_API_AT_DEEP_ENTITY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIN_API_AT_DEEP_ENTITY
*  INTO TABLE @DATA(IT_FIN_API_AT_DEEP_ENTITY2).
*--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_FIN_API_AT_DEEP_ENTITY INDEX 1 INTO DATA(WA_FIN_API_AT_DEEP_ENTITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIN_API_AT_DEEP_ENTITY>-MANDT = 1.
<FIN_API_AT_DEEP_ENTITY>-CONTROLLINGAREA = 1.
<FIN_API_AT_DEEP_ENTITY>-COSTCTRACTIVITYTYPE = 1.
<FIN_API_AT_DEEP_ENTITY>-VALIDITYENDDATE = 1.
<FIN_API_AT_DEEP_ENTITY>-VALIDITYSTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPEQTYUNIT, sy-vline,
  WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPECATEGORY, sy-vline,
  WA_FIN_API_AT_DEEP_ENTITY-ALLOCATIONCOSTELEMENT, sy-vline,
  WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPEOUTPQTYUNIT, sy-vline,
  WA_FIN_API_AT_DEEP_ENTITY-CREATIONDATE, sy-vline,
  WA_FIN_API_AT_DEEP_ENTITY-ENTEREDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIN_API_AT_DEEP_ENTITY 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_FIN_API_AT_DEEP_ENTITY 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_FIN_API_AT_DEEP_ENTITY INTO WA_FIN_API_AT_DEEP_ENTITY.


*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 CUNIT, internal->external for field COSTCTRACTIVITYTYPEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPEQTYUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field COSTCTRACTIVITYTYPEOUTPQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPEOUTPQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIN_API_AT_DEEP_ENTITY-COSTCTRACTIVITYTYPEOUTPQTYUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field ACTUALPRICEALLOCATIONMETHOD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIN_API_AT_DEEP_ENTITY-ACTUALPRICEALLOCATIONMETHOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIN_API_AT_DEEP_ENTITY-ACTUALPRICEALLOCATIONMETHOD.
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_FIN_API_AT_DEEP_ENTITY_STR, 
MANDT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
COSTCTRACTIVITYTYPEQTYUNIT TYPE STRING,
COSTCTRACTIVITYTYPECATEGORY TYPE STRING,
ALLOCATIONCOSTELEMENT TYPE STRING,
COSTCTRACTIVITYTYPEOUTPQTYUNIT TYPE STRING,
CREATIONDATE TYPE STRING,
ENTEREDBYUSER TYPE STRING,
COSTORIGINGROUP TYPE STRING,
ACTLPOSTGCOSTCENTERACTYTYPECAT TYPE STRING,
OUTPUTQUANTITYFACTOR TYPE STRING,
ACTIVITYTYPEISBLOCKED TYPE STRING,
FIXEDCOSTISPREDISTRIBUTED TYPE STRING,
PRICEALLOCATIONMETHOD TYPE STRING,
PERIODPRICEISAVERAGE TYPE STRING,
ACTUALPRICEALLOCATIONMETHOD TYPE STRING,
ACTUALQUANTITYISSETMANUALLY TYPE STRING,
PLANQUANTITYISSETMANUALLY TYPE STRING,
COSTCTRACTIVITYTYPEVALIDCAT TYPE STRING,
TO_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIN_API_AT_DEEP_ENTITY_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_FIN_API_AT_DEEP_ENTITY_STR-MANDT sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-CONTROLLINGAREA sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-VALIDITYENDDATE sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-VALIDITYSTARTDATE sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-COSTCTRACTIVITYTYPEQTYUNIT sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-COSTCTRACTIVITYTYPECATEGORY sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-ALLOCATIONCOSTELEMENT sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-COSTCTRACTIVITYTYPEOUTPQTYUNIT sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-CREATIONDATE sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-ENTEREDBYUSER sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-COSTORIGINGROUP sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-ACTLPOSTGCOSTCENTERACTYTYPECAT sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-OUTPUTQUANTITYFACTOR sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-ACTIVITYTYPEISBLOCKED sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-FIXEDCOSTISPREDISTRIBUTED sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-PRICEALLOCATIONMETHOD sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-PERIODPRICEISAVERAGE sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-ACTUALPRICEALLOCATIONMETHOD sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-ACTUALQUANTITYISSETMANUALLY sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-PLANQUANTITYISSETMANUALLY sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-COSTCTRACTIVITYTYPEVALIDCAT sy-vline 
WA_FIN_API_AT_DEEP_ENTITY_STR-TO_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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