ABAP Select data from SAP table CCMSBI_WASTAT_SEGM_RFCSD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCMSBI_WASTAT_SEGM_RFCSD
*  INTO TABLE @DATA(IT_CCMSBI_WASTAT_SEGM_RFCSD2).
*--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_CCMSBI_WASTAT_SEGM_RFCSD INDEX 1 INTO DATA(WA_CCMSBI_WASTAT_SEGM_RFCSD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCMSBI_WASTAT_SEGM_RFCSD>-CONNECTION_ID = 1.
<CCMSBI_WASTAT_SEGM_RFCSD>-RFC_TYPE = 1.
<CCMSBI_WASTAT_SEGM_RFCSD>-ENGINE_TYPE = 1.
<CCMSBI_WASTAT_SEGM_RFCSD>-P_ENGINE_TYPE = 1.
<CCMSBI_WASTAT_SEGM_RFCSD>-TRANSACTION_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCMSBI_WASTAT_SEGM_RFCSD-PROGRAM_NAME, sy-vline,
  WA_CCMSBI_WASTAT_SEGM_RFCSD-DESTINATION_NAME, sy-vline,
  WA_CCMSBI_WASTAT_SEGM_RFCSD-IP_ADDRESS, sy-vline,
  WA_CCMSBI_WASTAT_SEGM_RFCSD-P_IP_ADDRESS, sy-vline,
  WA_CCMSBI_WASTAT_SEGM_RFCSD-INSTANCE_NAME, sy-vline,
  WA_CCMSBI_WASTAT_SEGM_RFCSD-P_INSTANCE_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCMSBI_WASTAT_SEGM_RFCSD 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_CCMSBI_WASTAT_SEGM_RFCSD 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_CCMSBI_WASTAT_SEGM_RFCSD INTO WA_CCMSBI_WASTAT_SEGM_RFCSD.


*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_CCMSBI_WASTAT_SEGM_RFCSD_STR, 
CONNECTION_ID TYPE STRING,
RFC_TYPE TYPE STRING,
ENGINE_TYPE TYPE STRING,
P_ENGINE_TYPE TYPE STRING,
TRANSACTION_CODE TYPE STRING,
PROGRAM_NAME TYPE STRING,
DESTINATION_NAME TYPE STRING,
IP_ADDRESS TYPE STRING,
P_IP_ADDRESS TYPE STRING,
INSTANCE_NAME TYPE STRING,
P_INSTANCE_NAME TYPE STRING,
P_RELEASE TYPE STRING,
CALL_TIME_DIA TYPE STRING,
CALL_TIME_CON TYPE STRING,
EXEC_TIME_DIA TYPE STRING,
EXEC_TIME_CON TYPE STRING,
IDLE_TIME_DIA TYPE STRING,
IDLE_TIME_CON TYPE STRING,
DATA_SEND_DIA TYPE STRING,
DATA_SEND_CON TYPE STRING,
A_DATA_SEND_DIA TYPE STRING,
A_DATA_SEND_CON TYPE STRING,
DATA_RECEIVE_DIA TYPE STRING,
DATA_RECEIVE_CON TYPE STRING,
A_DATA_RECEIVE_D TYPE STRING,
A_DATA_RECEIVE_C TYPE STRING,
CALL_NUMBER_DIA TYPE STRING,
CALL_NUMBER_CON TYPE STRING,
INBOUND_TID TYPE STRING,
INBOUND_QUEUE TYPE STRING,
OUTBOUND_TID TYPE STRING,
OUTBOUND_QUEUE TYPE STRING,
D_SEND_TIME_DIA TYPE STRING,
D_SEND_TIME_CON TYPE STRING,
D_RECEIVE_TIME_D TYPE STRING,
D_RECEIVE_TIME_C TYPE STRING,
CALLER_USER_NAME TYPE STRING,
CALLER_CLIENT TYPE STRING,
LOGON_METHOD TYPE STRING,
LOGON_TIME TYPE STRING,
AUTH_TIME TYPE STRING,
END_SEC_COUNT TYPE STRING,
LOGRECID TYPE STRING,
RFC_TYPE_TXT TYPE STRING,
ENGINE_TYPE_TXT TYPE STRING,
P_ENG_TYPE_TXT TYPE STRING,
LOGON_METH_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCMSBI_WASTAT_SEGM_RFCSD_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_CCMSBI_WASTAT_SEGM_RFCSD_STR-CONNECTION_ID sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-RFC_TYPE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-ENGINE_TYPE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-P_ENGINE_TYPE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-TRANSACTION_CODE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-PROGRAM_NAME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-DESTINATION_NAME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-IP_ADDRESS sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-P_IP_ADDRESS sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-INSTANCE_NAME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-P_INSTANCE_NAME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-P_RELEASE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-CALL_TIME_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-CALL_TIME_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-EXEC_TIME_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-EXEC_TIME_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-IDLE_TIME_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-IDLE_TIME_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-DATA_SEND_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-DATA_SEND_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-A_DATA_SEND_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-A_DATA_SEND_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-DATA_RECEIVE_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-DATA_RECEIVE_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-A_DATA_RECEIVE_D sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-A_DATA_RECEIVE_C sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-CALL_NUMBER_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-CALL_NUMBER_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-INBOUND_TID sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-INBOUND_QUEUE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-OUTBOUND_TID sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-OUTBOUND_QUEUE sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-D_SEND_TIME_DIA sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-D_SEND_TIME_CON sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-D_RECEIVE_TIME_D sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-D_RECEIVE_TIME_C sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-CALLER_USER_NAME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-CALLER_CLIENT sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-LOGON_METHOD sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-LOGON_TIME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-AUTH_TIME sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-END_SEC_COUNT sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-LOGRECID sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-RFC_TYPE_TXT sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-ENGINE_TYPE_TXT sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-P_ENG_TYPE_TXT sy-vline 
WA_CCMSBI_WASTAT_SEGM_RFCSD_STR-LOGON_METH_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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