ABAP Select data from SAP table IDGT_CONF_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDGT_CONF_V
*  INTO TABLE @DATA(IT_IDGT_CONF_V2).
*--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_IDGT_CONF_V INDEX 1 INTO DATA(WA_IDGT_CONF_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDGT_CONF_V>-MANDT = 1.
<IDGT_CONF_V>-KEYID = 1.
<IDGT_CONF_V>-SLITM = 1.
<IDGT_CONF_V>-SPLAMT = 1.
<IDGT_CONF_V>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDGT_CONF_V-PCMODE, sy-vline,
  WA_IDGT_CONF_V-CONNTYP, sy-vline,
  WA_IDGT_CONF_V-RDIFF, sy-vline,
  WA_IDGT_CONF_V-ISERROR, sy-vline,
  WA_IDGT_CONF_V-COMBFLG, sy-vline,
  WA_IDGT_CONF_V-KEYID_T, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDGT_CONF_V 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_IDGT_CONF_V 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_IDGT_CONF_V INTO WA_IDGT_CONF_V.


*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_IDGT_CONF_V_STR, 
MANDT TYPE STRING,
KEYID TYPE STRING,
SLITM TYPE STRING,
SPLAMT TYPE STRING,
WAERS TYPE STRING,
PCMODE TYPE STRING,
CONNTYP TYPE STRING,
RDIFF TYPE STRING,
ISERROR TYPE STRING,
COMBFLG TYPE STRING,
KEYID_T TYPE STRING,
COMBCHK TYPE STRING,
NOTEFLG TYPE STRING,
TAXCHECK TYPE STRING,
NTTXT_S TYPE STRING,
NTTXT_N TYPE STRING,
DCUSTYP TYPE STRING,
MATL_CODE_VERS TYPE STRING,
XML_FRMT_VERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDGT_CONF_V_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_IDGT_CONF_V_STR-MANDT sy-vline 
WA_IDGT_CONF_V_STR-KEYID sy-vline 
WA_IDGT_CONF_V_STR-SLITM sy-vline 
WA_IDGT_CONF_V_STR-SPLAMT sy-vline 
WA_IDGT_CONF_V_STR-WAERS sy-vline 
WA_IDGT_CONF_V_STR-PCMODE sy-vline 
WA_IDGT_CONF_V_STR-CONNTYP sy-vline 
WA_IDGT_CONF_V_STR-RDIFF sy-vline 
WA_IDGT_CONF_V_STR-ISERROR sy-vline 
WA_IDGT_CONF_V_STR-COMBFLG sy-vline 
WA_IDGT_CONF_V_STR-KEYID_T sy-vline 
WA_IDGT_CONF_V_STR-COMBCHK sy-vline 
WA_IDGT_CONF_V_STR-NOTEFLG sy-vline 
WA_IDGT_CONF_V_STR-TAXCHECK sy-vline 
WA_IDGT_CONF_V_STR-NTTXT_S sy-vline 
WA_IDGT_CONF_V_STR-NTTXT_N sy-vline 
WA_IDGT_CONF_V_STR-DCUSTYP sy-vline 
WA_IDGT_CONF_V_STR-MATL_CODE_VERS sy-vline 
WA_IDGT_CONF_V_STR-XML_FRMT_VERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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