ABAP Select data from SAP table COBJPGMNTNTFACTY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COBJPGMNTNTFACTY
*  INTO TABLE @DATA(IT_COBJPGMNTNTFACTY2).
*--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_COBJPGMNTNTFACTY INDEX 1 INTO DATA(WA_COBJPGMNTNTFACTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COBJPGMNTNTFACTY>-MANDT = 1.
<COBJPGMNTNTFACTY>-MAINTENANCENOTIFICATION = 1.
<COBJPGMNTNTFACTY>-MAINTNOTIFICATIONACTIVITY = 1.
<COBJPGMNTNTFACTY>-MAINTENANCENOTIFICATIONITEM = 1.
<COBJPGMNTNTFACTY>-MAINTNOTIFACTIVITYCODEGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COBJPGMNTNTFACTY-MAINTNOTIFACTIVITYCODEGRPNAME, sy-vline,
  WA_COBJPGMNTNTFACTY-MAINTNOTIFICATIONACTIVITYCODE, sy-vline,
  WA_COBJPGMNTNTFACTY-MAINTNOTIFACTIVITYCODENAME, sy-vline,
  WA_COBJPGMNTNTFACTY-MAINTNOTIFACTYTXT, sy-vline,
  WA_COBJPGMNTNTFACTY-CREATEDBYUSER, sy-vline,
  WA_COBJPGMNTNTFACTY-CREATEDBYUSERDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COBJPGMNTNTFACTY 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_COBJPGMNTNTFACTY 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_COBJPGMNTNTFACTY INTO WA_COBJPGMNTNTFACTY.


*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 ALPHA, internal->external for field MAINTENANCENOTIFICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_COBJPGMNTNTFACTY-MAINTENANCENOTIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBJPGMNTNTFACTY-MAINTENANCENOTIFICATION.
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_COBJPGMNTNTFACTY_STR, 
MANDT TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
MAINTNOTIFICATIONACTIVITY TYPE STRING,
MAINTENANCENOTIFICATIONITEM TYPE STRING,
MAINTNOTIFACTIVITYCODEGROUP TYPE STRING,
MAINTNOTIFACTIVITYCODEGRPNAME TYPE STRING,
MAINTNOTIFICATIONACTIVITYCODE TYPE STRING,
MAINTNOTIFACTIVITYCODENAME TYPE STRING,
MAINTNOTIFACTYTXT TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
MAINTNOTIFACTYQTYFACTOR TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANNEDSTARTTIME TYPE STRING,
PLANNEDENDDATE TYPE STRING,
PLANNEDENDTIME TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COBJPGMNTNTFACTY_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_COBJPGMNTNTFACTY_STR-MANDT sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTENANCENOTIFICATION sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFICATIONACTIVITY sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTENANCENOTIFICATIONITEM sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFACTIVITYCODEGROUP sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFACTIVITYCODEGRPNAME sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFICATIONACTIVITYCODE sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFACTIVITYCODENAME sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFACTYTXT sy-vline 
WA_COBJPGMNTNTFACTY_STR-CREATEDBYUSER sy-vline 
WA_COBJPGMNTNTFACTY_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_COBJPGMNTNTFACTY_STR-MAINTNOTIFACTYQTYFACTOR sy-vline 
WA_COBJPGMNTNTFACTY_STR-PLANNEDSTARTDATE sy-vline 
WA_COBJPGMNTNTFACTY_STR-PLANNEDSTARTTIME sy-vline 
WA_COBJPGMNTNTFACTY_STR-PLANNEDENDDATE sy-vline 
WA_COBJPGMNTNTFACTY_STR-PLANNEDENDTIME sy-vline 
WA_COBJPGMNTNTFACTY_STR-NOTIFICATIONTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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