ABAP Select data from SAP table QRFC_UNIT_INFO_OUTBOUND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM QRFC_UNIT_INFO_OUTBOUND
*  INTO TABLE @DATA(IT_QRFC_UNIT_INFO_OUTBOUND2).
*--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_QRFC_UNIT_INFO_OUTBOUND INDEX 1 INTO DATA(WA_QRFC_UNIT_INFO_OUTBOUND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<QRFC_UNIT_INFO_OUTBOUND>-UNIT_ID = 1.
<QRFC_UNIT_INFO_OUTBOUND>-CLIENT = 1.
<QRFC_UNIT_INFO_OUTBOUND>-DEST_NAME = 1.
<QRFC_UNIT_INFO_OUTBOUND>-QUEUE_NAME = 1.
<QRFC_UNIT_INFO_OUTBOUND>-QUEUE_NAME_INBOUND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_QRFC_UNIT_INFO_OUTBOUND-PRED_CNT, sy-vline,
  WA_QRFC_UNIT_INFO_OUTBOUND-REDO_CNT_MANUAL, sy-vline,
  WA_QRFC_UNIT_INFO_OUTBOUND-REDO_CNT_AUTO, sy-vline,
  WA_QRFC_UNIT_INFO_OUTBOUND-IS_DELETED, sy-vline,
  WA_QRFC_UNIT_INFO_OUTBOUND-IS_NOOP, sy-vline,
  WA_QRFC_UNIT_INFO_OUTBOUND-CTIMESTAMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_QRFC_UNIT_INFO_OUTBOUND 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_QRFC_UNIT_INFO_OUTBOUND 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_QRFC_UNIT_INFO_OUTBOUND INTO WA_QRFC_UNIT_INFO_OUTBOUND.


*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 LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_QRFC_UNIT_INFO_OUTBOUND-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QRFC_UNIT_INFO_OUTBOUND-LANGU.
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_QRFC_UNIT_INFO_OUTBOUND_STR, 
UNIT_ID TYPE STRING,
CLIENT TYPE STRING,
DEST_NAME TYPE STRING,
QUEUE_NAME TYPE STRING,
QUEUE_NAME_INBOUND TYPE STRING,
PRED_CNT TYPE STRING,
REDO_CNT_MANUAL TYPE STRING,
REDO_CNT_AUTO TYPE STRING,
IS_DELETED TYPE STRING,
IS_NOOP TYPE STRING,
CTIMESTAMP TYPE STRING,
UNAME TYPE STRING,
TCODE TYPE STRING,
CPROG TYPE STRING,
HOST_NAME TYPE STRING,
UNIT_SIZE TYPE STRING,
LOCK_ID TYPE STRING,
LOCK_KIND TYPE STRING,
LOCK_REASON TYPE STRING,
EXE_STATE TYPE STRING,
SCHEDULER_ID TYPE STRING,
SCHEDULER_INST TYPE STRING,
EXE_TIME_STAMP TYPE STRING,
FUNCNAME TYPE STRING,
LANGU TYPE STRING,
MESSAGE TYPE STRING,
MESSAGE_ID TYPE STRING,
MESSAGE_NUMBER TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
FUNCTION_CNT TYPE STRING,
SENDER_INSTANCE TYPE STRING,
MANUAL_LOCK TYPE STRING,
LOCK_CNT TYPE STRING,
DEBUG_LOCK TYPE STRING,
VIA_INBOUND TYPE STRING,
INBOUND_NO_EXEC TYPE STRING,
NO_COMMIT_CHECK TYPE STRING,
UNIT_HISTORY TYPE STRING,
STATE TYPE STRING,
IS_REF_UNIT_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_QRFC_UNIT_INFO_OUTBOUND_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_QRFC_UNIT_INFO_OUTBOUND_STR-UNIT_ID sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-CLIENT sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-DEST_NAME sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-QUEUE_NAME sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-QUEUE_NAME_INBOUND sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-PRED_CNT sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-REDO_CNT_MANUAL sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-REDO_CNT_AUTO sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-IS_DELETED sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-IS_NOOP sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-CTIMESTAMP sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-UNAME sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-TCODE sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-CPROG sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-HOST_NAME sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-UNIT_SIZE sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-LOCK_ID sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-LOCK_KIND sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-LOCK_REASON sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-EXE_STATE sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-SCHEDULER_ID sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-SCHEDULER_INST sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-EXE_TIME_STAMP sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-FUNCNAME sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-LANGU sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE_ID sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE_NUMBER sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE_V1 sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE_V2 sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE_V3 sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MESSAGE_V4 sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-FUNCTION_CNT sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-SENDER_INSTANCE sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-MANUAL_LOCK sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-LOCK_CNT sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-DEBUG_LOCK sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-VIA_INBOUND sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-INBOUND_NO_EXEC sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-NO_COMMIT_CHECK sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-UNIT_HISTORY sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-STATE sy-vline 
WA_QRFC_UNIT_INFO_OUTBOUND_STR-IS_REF_UNIT_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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