ABAP Select data from SAP table HRDE_SVRVBEAKEY_INFO_TYPE_CHOI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDE_SVRVBEAKEY_INFO_TYPE_CHOI
*  INTO TABLE @DATA(IT_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI2).
*--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_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI INDEX 1 INTO DATA(WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDE_SVRVBEAKEY_INFO_TYPE_CHOI>-SELECTION = 1.
<HRDE_SVRVBEAKEY_INFO_TYPE_CHOI>-CONTROLLER = 1.
<HRDE_SVRVBEAKEY_INFO_TYPE_CHOI>-KEY_NAME = 1.
<HRDE_SVRVBEAKEY_INFO_TYPE_CHOI>-KEY_VALUE = 1.
<HRDE_SVRVBEAKEY_INFO_TYPE_CHOI>-RETRIEVAL_METHOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI-CONTROLLER, sy-vline,
  WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI-TRANSFORMS, sy-vline,
  WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI-CONTROLLER, sy-vline,
  WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI-TRANSFORM, sy-vline,
  WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI-URI, sy-vline,
  WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI-TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI 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_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI 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_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI INTO WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR, 
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
KEY_NAME TYPE STRING,
KEY_VALUE TYPE STRING,
RETRIEVAL_METHOD TYPE STRING,
CONTROLLER TYPE STRING,
TRANSFORMS TYPE STRING,
CONTROLLER TYPE STRING,
TRANSFORM TYPE STRING,
URI TYPE STRING,
TYPE TYPE STRING,
X509DATA TYPE STRING,
CONTROLLER TYPE STRING,
SEQUENCE TYPE STRING,
PGPDATA TYPE STRING,
CONTROLLER TYPE STRING,
CHOICE TYPE STRING,
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
SEQUENCE TYPE STRING,
CONTROLLER TYPE STRING,
PGPKEY_ID TYPE STRING,
PGPKEY_PACKET TYPE STRING,
ANY TYPE STRING,
SEQUENCE1 TYPE STRING,
CONTROLLER TYPE STRING,
PGPKEY_PACKET TYPE STRING,
ANY TYPE STRING,
SPKIDATA TYPE STRING,
CONTROLLER TYPE STRING,
SEQUENCE TYPE STRING,
MGMT_DATA TYPE STRING,
ANY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_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_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SELECTION sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-KEY_NAME sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-KEY_VALUE sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-RETRIEVAL_METHOD sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-TRANSFORMS sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-TRANSFORM sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-URI sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-TYPE sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-X509DATA sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SEQUENCE sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-PGPDATA sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CHOICE sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SELECTION sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SEQUENCE sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-PGPKEY_ID sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-PGPKEY_PACKET sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-ANY sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SEQUENCE1 sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-PGPKEY_PACKET sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-ANY sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SPKIDATA sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-CONTROLLER sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-SEQUENCE sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-MGMT_DATA sy-vline 
WA_HRDE_SVRVBEAKEY_INFO_TYPE_CHOI_STR-ANY sy-vline      INTO ld_text SEPARATED BY SPACE.

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