ABAP Select data from SAP table /SAPAPO/LRP_GW_F_OBJECT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/LRP_GW_F_OBJECT 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 /SAPAPO/LRP_GW_F_OBJECT. 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 /SAPAPO/LRP_GW_F_OBJECT 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_/SAPAPO/LRP_GW_F_OBJECT TYPE STANDARD TABLE OF /SAPAPO/LRP_GW_F_OBJECT,
      WA_/SAPAPO/LRP_GW_F_OBJECT TYPE /SAPAPO/LRP_GW_F_OBJECT,
      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: </SAPAPO/LRP_GW_F_OBJECT> TYPE /SAPAPO/LRP_GW_F_OBJECT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/LRP_GW_F_OBJECT
  INTO TABLE IT_/SAPAPO/LRP_GW_F_OBJECT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/LRP_GW_F_OBJECT
*  INTO TABLE @DATA(IT_/SAPAPO/LRP_GW_F_OBJECT2).
*--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_/SAPAPO/LRP_GW_F_OBJECT INDEX 1 INTO DATA(WA_/SAPAPO/LRP_GW_F_OBJECT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/LRP_GW_F_OBJECT ASSIGNING </SAPAPO/LRP_GW_F_OBJECT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/LRP_GW_F_OBJECT>-GWO_ID = 1.
</SAPAPO/LRP_GW_F_OBJECT>-WFMO_ID = 1.
</SAPAPO/LRP_GW_F_OBJECT>-GWOTYPE = 1.
</SAPAPO/LRP_GW_F_OBJECT>-CREATIONTYPE = 1.
</SAPAPO/LRP_GW_F_OBJECT>-SUMMARY = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/LRP_GW_F_OBJECT INTO WA_/SAPAPO/LRP_GW_F_OBJECT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/LRP_GW_F_OBJECT-CATEGORY, sy-vline,
  WA_/SAPAPO/LRP_GW_F_OBJECT-CLASS, sy-vline,
  WA_/SAPAPO/LRP_GW_F_OBJECT-DESCRIPTION, sy-vline,
  WA_/SAPAPO/LRP_GW_F_OBJECT-CREATED, sy-vline,
  WA_/SAPAPO/LRP_GW_F_OBJECT-STARTDATE, sy-vline,
  WA_/SAPAPO/LRP_GW_F_OBJECT-ENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/LRP_GW_F_OBJECT 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_/SAPAPO/LRP_GW_F_OBJECT 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_/SAPAPO/LRP_GW_F_OBJECT INTO WA_/SAPAPO/LRP_GW_F_OBJECT.


*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_/SAPAPO/LRP_GW_F_OBJECT_STR, 
GWO_ID TYPE STRING,
WFMO_ID TYPE STRING,
GWOTYPE TYPE STRING,
CREATIONTYPE TYPE STRING,
SUMMARY TYPE STRING,
CATEGORY TYPE STRING,
CLASS TYPE STRING,
DESCRIPTION TYPE STRING,
CREATED TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
ALL_DAY TYPE STRING,
LASTMODIFIED TYPE STRING,
LOCATION TYPE STRING,
PRIORITY TYPE STRING,
STATUS TYPE STRING,
TRANSPARENCY TYPE STRING,
PERCENT_COMPLETE TYPE STRING,
COMPLETED TYPE STRING,
LANGU TYPE STRING,
AWTYP TYPE STRING,
SOURCE TYPE STRING,
RELATED_WFM_GUID TYPE STRING,
ENTERED_TIMEZONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/LRP_GW_F_OBJECT_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_/SAPAPO/LRP_GW_F_OBJECT_STR-GWO_ID sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-WFMO_ID sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-GWOTYPE sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-CREATIONTYPE sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-SUMMARY sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-CATEGORY sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-CLASS sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-DESCRIPTION sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-CREATED sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-STARTDATE sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-ENDDATE sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-ALL_DAY sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-LASTMODIFIED sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-LOCATION sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-PRIORITY sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-STATUS sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-TRANSPARENCY sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-PERCENT_COMPLETE sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-COMPLETED sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-LANGU sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-AWTYP sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-SOURCE sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-RELATED_WFM_GUID sy-vline 
WA_/SAPAPO/LRP_GW_F_OBJECT_STR-ENTERED_TIMEZONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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