ABAP Select data from SAP table IFETOCTRLGREL into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFETOCTRLGREL
*  INTO TABLE @DATA(IT_IFETOCTRLGREL2).
*--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_IFETOCTRLGREL INDEX 1 INTO DATA(WA_IFETOCTRLGREL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFETOCTRLGREL>-MANDT = 1.
<IFETOCTRLGREL>-DFSOBJECTDRAFTUUID = 1.
<IFETOCTRLGREL>-DFSOBJECTID = 1.
<IFETOCTRLGREL>-DFSOBJECTSUBTYPE = 1.
<IFETOCTRLGREL>-DFSOBJECTPLNGSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFETOCTRLGREL-DFSOBJECTVALDTYSTARTDATE, sy-vline,
  WA_IFETOCTRLGREL-DFSOBJECTVALDTYENDDATE, sy-vline,
  WA_IFETOCTRLGREL-DFSOBJECTPLANVERSION, sy-vline,
  WA_IFETOCTRLGREL-DFSOBJECTTYPE, sy-vline,
  WA_IFETOCTRLGREL-FRCELMNTORGVARIATIONID, sy-vline,
  WA_IFETOCTRLGREL-NUMBEROFFORCEELEMENTORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFETOCTRLGREL 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_IFETOCTRLGREL 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_IFETOCTRLGREL INTO WA_IFETOCTRLGREL.


*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_IFETOCTRLGREL_STR, 
MANDT TYPE STRING,
DFSOBJECTDRAFTUUID TYPE STRING,
DFSOBJECTID TYPE STRING,
DFSOBJECTSUBTYPE TYPE STRING,
DFSOBJECTPLNGSTATUS TYPE STRING,
DFSOBJECTVALDTYSTARTDATE TYPE STRING,
DFSOBJECTVALDTYENDDATE TYPE STRING,
DFSOBJECTPLANVERSION TYPE STRING,
DFSOBJECTTYPE TYPE STRING,
FRCELMNTORGVARIATIONID TYPE STRING,
NUMBEROFFORCEELEMENTORG TYPE STRING,
DFSOBJECTINFOTYPE TYPE STRING,
DFSOBJECTCONCATENATEDID TYPE STRING,
DFSOBJRELSHPLASTCHGDDATE TYPE STRING,
DFSOBJRELSHPLASTCHGDBYUSER TYPE STRING,
FRCELMNTORGPLNGSTSCRITLTY TYPE STRING,
FRCELMNTORGGROUPNAME TYPE STRING,
FRCELMNTORGCONTROLLINGAREA TYPE STRING,
DFSOBJECTVALDTYSTARTDATEFOED TYPE STRING,
DFSOBJECTVALDTYENDDATEFOED TYPE STRING,
HASACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFETOCTRLGREL_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_IFETOCTRLGREL_STR-MANDT sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTDRAFTUUID sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTID sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTSUBTYPE sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTPLNGSTATUS sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTVALDTYSTARTDATE sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTVALDTYENDDATE sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTPLANVERSION sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTTYPE sy-vline 
WA_IFETOCTRLGREL_STR-FRCELMNTORGVARIATIONID sy-vline 
WA_IFETOCTRLGREL_STR-NUMBEROFFORCEELEMENTORG sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTINFOTYPE sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTCONCATENATEDID sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJRELSHPLASTCHGDDATE sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJRELSHPLASTCHGDBYUSER sy-vline 
WA_IFETOCTRLGREL_STR-FRCELMNTORGPLNGSTSCRITLTY sy-vline 
WA_IFETOCTRLGREL_STR-FRCELMNTORGGROUPNAME sy-vline 
WA_IFETOCTRLGREL_STR-FRCELMNTORGCONTROLLINGAREA sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTVALDTYSTARTDATEFOED sy-vline 
WA_IFETOCTRLGREL_STR-DFSOBJECTVALDTYENDDATEFOED sy-vline 
WA_IFETOCTRLGREL_STR-HASACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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