ABAP Select data from SAP table KSR_ITSDBCONR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KSR_ITSDBCONR
*  INTO TABLE @DATA(IT_KSR_ITSDBCONR2).
*--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_KSR_ITSDBCONR INDEX 1 INTO DATA(WA_KSR_ITSDBCONR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KSR_ITSDBCONR>-CLIENT = 1.
<KSR_ITSDBCONR>-INSTANCE = 1.
<KSR_ITSDBCONR>-RECORD_NUMBER = 1.
<KSR_ITSDBCONR>-START_TIME = 1.
<KSR_ITSDBCONR>-SUBRECORD_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KSR_ITSDBCONR-CONNECTION_NAME, sy-vline,
  WA_KSR_ITSDBCONR-DIR_READ_REQUEST_COUNT, sy-vline,
  WA_KSR_ITSDBCONR-SEQ_READ_REQUEST_COUNT, sy-vline,
  WA_KSR_ITSDBCONR-INSERT_REQUEST_COUNT, sy-vline,
  WA_KSR_ITSDBCONR-UPDATE_REQUEST_COUNT, sy-vline,
  WA_KSR_ITSDBCONR-DELETE_REQUEST_COUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KSR_ITSDBCONR 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_KSR_ITSDBCONR 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_KSR_ITSDBCONR INTO WA_KSR_ITSDBCONR.


*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_KSR_ITSDBCONR_STR, 
CLIENT TYPE STRING,
INSTANCE TYPE STRING,
RECORD_NUMBER TYPE STRING,
START_TIME TYPE STRING,
SUBRECORD_NUMBER TYPE STRING,
CONNECTION_NAME TYPE STRING,
DIR_READ_REQUEST_COUNT TYPE STRING,
SEQ_READ_REQUEST_COUNT TYPE STRING,
INSERT_REQUEST_COUNT TYPE STRING,
UPDATE_REQUEST_COUNT TYPE STRING,
DELETE_REQUEST_COUNT TYPE STRING,
PHYSICAL_READ_REQUEST_COUNT TYPE STRING,
PHYSICAL_INSERT_REQUEST_COUNT TYPE STRING,
PHYSICAL_UPDATE_REQUEST_COUNT TYPE STRING,
PHYSICAL_DELETE_REQUEST_COUNT TYPE STRING,
DIR_READ_ROW_COUNT TYPE STRING,
SEQ_READ_ROW_COUNT TYPE STRING,
INSERT_ROW_COUNT TYPE STRING,
UPDATE_ROW_COUNT TYPE STRING,
DELETE_ROW_COUNT TYPE STRING,
BUFFER_DIR_READ_ROW_COUNT TYPE STRING,
BUFFER_SEQ_READ_ROW_COUNT TYPE STRING,
TOTAL_REQUEST_TIME TYPE STRING,
DIR_READ_REQUEST_TIME TYPE STRING,
SEQ_READ_REQUEST_TIME TYPE STRING,
INSERT_REQUEST_TIME TYPE STRING,
UPDATE_REQUEST_TIME TYPE STRING,
DELETE_REQUEST_TIME TYPE STRING,
DB_PROCEDURE_CALL_COUNT TYPE STRING,
DB_PROCEDURE_TIME TYPE STRING,
COMMIT_TIME TYPE STRING,
OTHER_TIME TYPE STRING,
HANA_CPU_TIME_CONSUMPTION TYPE STRING,
HANA_MEMORY_CONSUMPTION TYPE STRING,
HANA_PROCESSING_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KSR_ITSDBCONR_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_KSR_ITSDBCONR_STR-CLIENT sy-vline 
WA_KSR_ITSDBCONR_STR-INSTANCE sy-vline 
WA_KSR_ITSDBCONR_STR-RECORD_NUMBER sy-vline 
WA_KSR_ITSDBCONR_STR-START_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-SUBRECORD_NUMBER sy-vline 
WA_KSR_ITSDBCONR_STR-CONNECTION_NAME sy-vline 
WA_KSR_ITSDBCONR_STR-DIR_READ_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-SEQ_READ_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-INSERT_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-UPDATE_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-DELETE_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-PHYSICAL_READ_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-PHYSICAL_INSERT_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-PHYSICAL_UPDATE_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-PHYSICAL_DELETE_REQUEST_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-DIR_READ_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-SEQ_READ_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-INSERT_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-UPDATE_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-DELETE_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-BUFFER_DIR_READ_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-BUFFER_SEQ_READ_ROW_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-TOTAL_REQUEST_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-DIR_READ_REQUEST_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-SEQ_READ_REQUEST_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-INSERT_REQUEST_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-UPDATE_REQUEST_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-DELETE_REQUEST_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-DB_PROCEDURE_CALL_COUNT sy-vline 
WA_KSR_ITSDBCONR_STR-DB_PROCEDURE_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-COMMIT_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-OTHER_TIME sy-vline 
WA_KSR_ITSDBCONR_STR-HANA_CPU_TIME_CONSUMPTION sy-vline 
WA_KSR_ITSDBCONR_STR-HANA_MEMORY_CONSUMPTION sy-vline 
WA_KSR_ITSDBCONR_STR-HANA_PROCESSING_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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