ABAP Select data from SAP table DRFD_OBJ_PRC_STA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DRFD_OBJ_PRC_STA
*  INTO TABLE @DATA(IT_DRFD_OBJ_PRC_STA2).
*--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_DRFD_OBJ_PRC_STA INDEX 1 INTO DATA(WA_DRFD_OBJ_PRC_STA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DRFD_OBJ_PRC_STA>-MANDT = 1.
<DRFD_OBJ_PRC_STA>-PRC_STA_ID = 1.
<DRFD_OBJ_PRC_STA>-SER_RELEVANT_OBJ = 1.
<DRFD_OBJ_PRC_STA>-DELIVERY_ID = 1.
<DRFD_OBJ_PRC_STA>-CR_DATE_TIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DRFD_OBJ_PRC_STA-ORIGIN_BS_SYSTEM, sy-vline,
  WA_DRFD_OBJ_PRC_STA-COMM_CHANNEL, sy-vline,
  WA_DRFD_OBJ_PRC_STA-MESSAGE_ID, sy-vline,
  WA_DRFD_OBJ_PRC_STA-OBJECT_TYPE_CODE, sy-vline,
  WA_DRFD_OBJ_PRC_STA-OITC_FOR_REPL, sy-vline,
  WA_DRFD_OBJ_PRC_STA-SER_STATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DRFD_OBJ_PRC_STA 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_DRFD_OBJ_PRC_STA 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_DRFD_OBJ_PRC_STA INTO WA_DRFD_OBJ_PRC_STA.


*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_DRFD_OBJ_PRC_STA_STR, 
MANDT TYPE STRING,
PRC_STA_ID TYPE STRING,
SER_RELEVANT_OBJ TYPE STRING,
DELIVERY_ID TYPE STRING,
CR_DATE_TIME TYPE STRING,
ORIGIN_BS_SYSTEM TYPE STRING,
COMM_CHANNEL TYPE STRING,
MESSAGE_ID TYPE STRING,
OBJECT_TYPE_CODE TYPE STRING,
OITC_FOR_REPL TYPE STRING,
SER_STATUS TYPE STRING,
QCOUNT TYPE STRING,
ARFCIPID TYPE STRING,
ARFCPID TYPE STRING,
ARFCTIME TYPE STRING,
ARFCTIDCNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DRFD_OBJ_PRC_STA_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_DRFD_OBJ_PRC_STA_STR-MANDT sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-PRC_STA_ID sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-SER_RELEVANT_OBJ sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-DELIVERY_ID sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-CR_DATE_TIME sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-ORIGIN_BS_SYSTEM sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-COMM_CHANNEL sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-MESSAGE_ID sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-OBJECT_TYPE_CODE sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-OITC_FOR_REPL sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-SER_STATUS sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-QCOUNT sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-ARFCIPID sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-ARFCPID sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-ARFCTIME sy-vline 
WA_DRFD_OBJ_PRC_STA_STR-ARFCTIDCNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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