ABAP Select data from SAP table ISACCRENGINEACCRUALSUBOBJECTTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISACCRENGINEACCRUALSUBOBJECTTP
*  INTO TABLE @DATA(IT_ISACCRENGINEACCRUALSUBOBJECTTP2).
*--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_ISACCRENGINEACCRUALSUBOBJECTTP INDEX 1 INTO DATA(WA_ISACCRENGINEACCRUALSUBOBJECTTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISACCRENGINEACCRUALSUBOBJECTTP>-KEY = 1.
<ISACCRENGINEACCRUALSUBOBJECTTP>-PARENT_KEY = 1.
<ISACCRENGINEACCRUALSUBOBJECTTP>-ROOT_KEY = 1.
<ISACCRENGINEACCRUALSUBOBJECTTP>-ACCRUALENGINEACCRUALOBJECTTYPE = 1.
<ISACCRENGINEACCRUALSUBOBJECTTP>-ACCRUALOBJECTLOGICALSYSTEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISACCRENGINEACCRUALSUBOBJECTTP-COMPANYCODE, sy-vline,
  WA_ISACCRENGINEACCRUALSUBOBJECTTP-ACCRUALOBJECT, sy-vline,
  WA_ISACCRENGINEACCRUALSUBOBJECTTP-ACCRUALSUBOBJECT, sy-vline,
  WA_ISACCRENGINEACCRUALSUBOBJECTTP-COMPANYCODENAME, sy-vline,
  WA_ISACCRENGINEACCRUALSUBOBJECTTP-ACCRUALOBJECTINTERNALID, sy-vline,
  WA_ISACCRENGINEACCRUALSUBOBJECTTP-ACCRUALSUBOBJECTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISACCRENGINEACCRUALSUBOBJECTTP 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_ISACCRENGINEACCRUALSUBOBJECTTP 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_ISACCRENGINEACCRUALSUBOBJECTTP INTO WA_ISACCRENGINEACCRUALSUBOBJECTTP.


*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 ACCRUALOBJECTLOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISACCRENGINEACCRUALSUBOBJECTTP-ACCRUALOBJECTLOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISACCRENGINEACCRUALSUBOBJECTTP-ACCRUALOBJECTLOGICALSYSTEM.
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_ISACCRENGINEACCRUALSUBOBJECTTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
ACCRUALENGINEACCRUALOBJECTTYPE TYPE STRING,
ACCRUALOBJECTLOGICALSYSTEM TYPE STRING,
COMPANYCODE TYPE STRING,
ACCRUALOBJECT TYPE STRING,
ACCRUALSUBOBJECT TYPE STRING,
COMPANYCODENAME TYPE STRING,
ACCRUALOBJECTINTERNALID TYPE STRING,
ACCRUALSUBOBJECTINTERNALID TYPE STRING,
ACCRSUBOBJPAUSEDATE TYPE STRING,
ACCRSUBOBJSUSPENSIONDATE TYPE STRING,
ACCRSUBOBJPREMATUREFINISHDATE TYPE STRING,
ACCRSUBOBJECTLIFECYCLESTATUS TYPE STRING,
ACCRSUBOBJLIFECYCLESTATUSNAME TYPE STRING,
ACCRSUBOBJHDRSTARTOFLIFEDATE TYPE STRING,
ACCRSUBOBJHDRENDOFLIFEDATE TYPE STRING,
ACCRUALSUBOBJECTCREATEDBYUSER TYPE STRING,
ACCRUALSUBOBJECTCREATIONDATE TYPE STRING,
ACCRUALSUBOBJECTCREATIONTIME TYPE STRING,
ACCRSUBOBJLASTCHANGEDBYUSER TYPE STRING,
ACCRUALSUBOBJECTLASTCHANGEDATE TYPE STRING,
ACCRUALSUBOBJECTLASTCHANGETIME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISACCRENGINEACCRUALSUBOBJECTTP_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_ISACCRENGINEACCRUALSUBOBJECTTP_STR-KEY sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-PARENT_KEY sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ROOT_KEY sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALENGINEACCRUALOBJECTTYPE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALOBJECTLOGICALSYSTEM sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-COMPANYCODE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALOBJECT sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECT sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-COMPANYCODENAME sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALOBJECTINTERNALID sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECTINTERNALID sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJPAUSEDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJSUSPENSIONDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJPREMATUREFINISHDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJECTLIFECYCLESTATUS sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJLIFECYCLESTATUSNAME sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJHDRSTARTOFLIFEDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJHDRENDOFLIFEDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECTCREATEDBYUSER sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECTCREATIONDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECTCREATIONTIME sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRSUBOBJLASTCHANGEDBYUSER sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECTLASTCHANGEDATE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ACCRUALSUBOBJECTLASTCHANGETIME sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-HASACTIVEENTITY sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISACCRENGINEACCRUALSUBOBJECTTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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