ABAP Select data from SAP table OFI_CONFIG_ET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OFI_CONFIG_ET
*  INTO TABLE @DATA(IT_OFI_CONFIG_ET2).
*--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_OFI_CONFIG_ET INDEX 1 INTO DATA(WA_OFI_CONFIG_ET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OFI_CONFIG_ET>-MANDT = 1.
<OFI_CONFIG_ET>-ENTITYID = 1.
<OFI_CONFIG_ET>-BUSCONTEXTID = 1.
<OFI_CONFIG_ET>-ENTITYNAME = 1.
<OFI_CONFIG_ET>-SEQNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OFI_CONFIG_ET-STRUCTURE, sy-vline,
  WA_OFI_CONFIG_ET-ISOPTIONAL, sy-vline,
  WA_OFI_CONFIG_ET-CREATEDBY, sy-vline,
  WA_OFI_CONFIG_ET-CHANGEDBY, sy-vline,
  WA_OFI_CONFIG_ET-CREATEDDATE, sy-vline,
  WA_OFI_CONFIG_ET-CREATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OFI_CONFIG_ET 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_OFI_CONFIG_ET 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_OFI_CONFIG_ET INTO WA_OFI_CONFIG_ET.


*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_OFI_CONFIG_ET_STR, 
MANDT TYPE STRING,
ENTITYID TYPE STRING,
BUSCONTEXTID TYPE STRING,
ENTITYNAME TYPE STRING,
SEQNO TYPE STRING,
STRUCTURE TYPE STRING,
ISOPTIONAL TYPE STRING,
CREATEDBY TYPE STRING,
CHANGEDBY TYPE STRING,
CREATEDDATE TYPE STRING,
CREATETIME TYPE STRING,
CHANGEDDATE TYPE STRING,
CHANGETIME TYPE STRING,
TECHNICALNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OFI_CONFIG_ET_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_OFI_CONFIG_ET_STR-MANDT sy-vline 
WA_OFI_CONFIG_ET_STR-ENTITYID sy-vline 
WA_OFI_CONFIG_ET_STR-BUSCONTEXTID sy-vline 
WA_OFI_CONFIG_ET_STR-ENTITYNAME sy-vline 
WA_OFI_CONFIG_ET_STR-SEQNO sy-vline 
WA_OFI_CONFIG_ET_STR-STRUCTURE sy-vline 
WA_OFI_CONFIG_ET_STR-ISOPTIONAL sy-vline 
WA_OFI_CONFIG_ET_STR-CREATEDBY sy-vline 
WA_OFI_CONFIG_ET_STR-CHANGEDBY sy-vline 
WA_OFI_CONFIG_ET_STR-CREATEDDATE sy-vline 
WA_OFI_CONFIG_ET_STR-CREATETIME sy-vline 
WA_OFI_CONFIG_ET_STR-CHANGEDDATE sy-vline 
WA_OFI_CONFIG_ET_STR-CHANGETIME sy-vline 
WA_OFI_CONFIG_ET_STR-TECHNICALNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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