ABAP Select data from SAP table ISILMRULEGROUPTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISILMRULEGROUPTP
*  INTO TABLE @DATA(IT_ISILMRULEGROUPTP2).
*--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_ISILMRULEGROUPTP INDEX 1 INTO DATA(WA_ISILMRULEGROUPTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISILMRULEGROUPTP>-KEY = 1.
<ISILMRULEGROUPTP>-PARENT_KEY = 1.
<ISILMRULEGROUPTP>-ROOT_KEY = 1.
<ISILMRULEGROUPTP>-OBJECT_CATEGORY = 1.
<ISILMRULEGROUPTP>-POLICY_CATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISILMRULEGROUPTP-RULE_GROUP, sy-vline,
  WA_ISILMRULEGROUPTP-OBJECT_GROUP, sy-vline,
  WA_ISILMRULEGROUPTP-ILMRULEGROUPFOREDIT, sy-vline,
  WA_ISILMRULEGROUPTP-SPRAS, sy-vline,
  WA_ISILMRULEGROUPTP-RULE_GROUP_T, sy-vline,
  WA_ISILMRULEGROUPTP-ILMRESIDENCEPERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISILMRULEGROUPTP 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_ISILMRULEGROUPTP 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_ISILMRULEGROUPTP INTO WA_ISILMRULEGROUPTP.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISILMRULEGROUPTP-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISILMRULEGROUPTP-SPRAS.
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_ISILMRULEGROUPTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
OBJECT_CATEGORY TYPE STRING,
POLICY_CATEGORY TYPE STRING,
RULE_GROUP TYPE STRING,
OBJECT_GROUP TYPE STRING,
ILMRULEGROUPFOREDIT TYPE STRING,
SPRAS TYPE STRING,
RULE_GROUP_T TYPE STRING,
ILMRESIDENCEPERIOD TYPE STRING,
ILMRESIDENCEPERIODUNIT TYPE STRING,
ILMMAXIMUMRETENTIONPERIOD TYPE STRING,
ILMMINIMUMRETENTIONPERIOD TYPE STRING,
ILMRETENTIONPERIODUNIT TYPE STRING,
ILMTIMEOFFSET TYPE STRING,
ILMTIMEREFERENCE TYPE STRING,
ILMAUTHORIZATIONGROUP TYPE STRING,
ILMARCHIVESTORE 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_ISILMRULEGROUPTP_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_ISILMRULEGROUPTP_STR-KEY sy-vline 
WA_ISILMRULEGROUPTP_STR-PARENT_KEY sy-vline 
WA_ISILMRULEGROUPTP_STR-ROOT_KEY sy-vline 
WA_ISILMRULEGROUPTP_STR-OBJECT_CATEGORY sy-vline 
WA_ISILMRULEGROUPTP_STR-POLICY_CATEGORY sy-vline 
WA_ISILMRULEGROUPTP_STR-RULE_GROUP sy-vline 
WA_ISILMRULEGROUPTP_STR-OBJECT_GROUP sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMRULEGROUPFOREDIT sy-vline 
WA_ISILMRULEGROUPTP_STR-SPRAS sy-vline 
WA_ISILMRULEGROUPTP_STR-RULE_GROUP_T sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMRESIDENCEPERIOD sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMRESIDENCEPERIODUNIT sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMMAXIMUMRETENTIONPERIOD sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMMINIMUMRETENTIONPERIOD sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMRETENTIONPERIODUNIT sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMTIMEOFFSET sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMTIMEREFERENCE sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMAUTHORIZATIONGROUP sy-vline 
WA_ISILMRULEGROUPTP_STR-ILMARCHIVESTORE sy-vline 
WA_ISILMRULEGROUPTP_STR-HASACTIVEENTITY sy-vline 
WA_ISILMRULEGROUPTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISILMRULEGROUPTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISILMRULEGROUPTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISILMRULEGROUPTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISILMRULEGROUPTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISILMRULEGROUPTP_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.