ABAP Select data from SAP table DB4IDU0200 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 DB4IDU0200 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 DB4IDU0200. 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 DB4IDU0200 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_DB4IDU0200 TYPE STANDARD TABLE OF DB4IDU0200,
      WA_DB4IDU0200 TYPE DB4IDU0200,
      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: <DB4IDU0200> TYPE DB4IDU0200.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB4IDU0200.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB4IDU0200
  INTO TABLE IT_DB4IDU0200.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB4IDU0200
*  INTO TABLE @DATA(IT_DB4IDU02002).
*--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_DB4IDU0200 INDEX 1 INTO DATA(WA_DB4IDU02002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB4IDU0200 ASSIGNING <DB4IDU0200>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB4IDU0200>-SYSID = 1.
<DB4IDU0200>-IPLTIME = 1.
<DB4IDU0200>-QQKEY = 1.
<DB4IDU0200>-QQILNM = 1.
<DB4IDU0200>-QQIFNM = 1.

ENDLOOP.

LOOP AT IT_DB4IDU0200 INTO WA_DB4IDU0200.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB4IDU0200-QQTLN, sy-vline,
  WA_DB4IDU0200-QQTFN, sy-vline,
  WA_DB4IDU0200-QQPTLN, sy-vline,
  WA_DB4IDU0200-QQPTFN, sy-vline,
  WA_DB4IDU0200-QQLILN, sy-vline,
  WA_DB4IDU0200-QQLIFN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB4IDU0200 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_DB4IDU0200 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_DB4IDU0200 INTO WA_DB4IDU0200.


*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_DB4IDU0200_STR, 
SYSID TYPE STRING,
IPLTIME TYPE STRING,
QQKEY TYPE STRING,
QQILNM TYPE STRING,
QQIFNM TYPE STRING,
QQTLN TYPE STRING,
QQTFN TYPE STRING,
QQPTLN TYPE STRING,
QQPTFN TYPE STRING,
QQLILN TYPE STRING,
QQLIFN TYPE STRING,
QQLTLN TYPE STRING,
QQLTFN TYPE STRING,
QQLPTL TYPE STRING,
QQLPTF TYPE STRING,
QQPLIB TYPE STRING,
QQPNAM TYPE STRING,
QQSNAM TYPE STRING,
QQCNT TYPE STRING,
QQCIU TYPE STRING,
QQTOTR TYPE STRING,
QQRROW TYPE STRING,
QQAVGT TYPE STRING,
TOTTIME TYPE STRING,
QQMINT TYPE STRING,
QQMAXT TYPE STRING,
QQMETU TYPE STRING,
QQCST TYPE STRING,
QQCSTN TYPE STRING,
QQIDXA TYPE STRING,
QQRCOD TYPE STRING,
QQSTTX_LEN TYPE STRING,
QQSTTX TYPE STRING,
QQUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB4IDU0200_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_DB4IDU0200_STR-SYSID sy-vline 
WA_DB4IDU0200_STR-IPLTIME sy-vline 
WA_DB4IDU0200_STR-QQKEY sy-vline 
WA_DB4IDU0200_STR-QQILNM sy-vline 
WA_DB4IDU0200_STR-QQIFNM sy-vline 
WA_DB4IDU0200_STR-QQTLN sy-vline 
WA_DB4IDU0200_STR-QQTFN sy-vline 
WA_DB4IDU0200_STR-QQPTLN sy-vline 
WA_DB4IDU0200_STR-QQPTFN sy-vline 
WA_DB4IDU0200_STR-QQLILN sy-vline 
WA_DB4IDU0200_STR-QQLIFN sy-vline 
WA_DB4IDU0200_STR-QQLTLN sy-vline 
WA_DB4IDU0200_STR-QQLTFN sy-vline 
WA_DB4IDU0200_STR-QQLPTL sy-vline 
WA_DB4IDU0200_STR-QQLPTF sy-vline 
WA_DB4IDU0200_STR-QQPLIB sy-vline 
WA_DB4IDU0200_STR-QQPNAM sy-vline 
WA_DB4IDU0200_STR-QQSNAM sy-vline 
WA_DB4IDU0200_STR-QQCNT sy-vline 
WA_DB4IDU0200_STR-QQCIU sy-vline 
WA_DB4IDU0200_STR-QQTOTR sy-vline 
WA_DB4IDU0200_STR-QQRROW sy-vline 
WA_DB4IDU0200_STR-QQAVGT sy-vline 
WA_DB4IDU0200_STR-TOTTIME sy-vline 
WA_DB4IDU0200_STR-QQMINT sy-vline 
WA_DB4IDU0200_STR-QQMAXT sy-vline 
WA_DB4IDU0200_STR-QQMETU sy-vline 
WA_DB4IDU0200_STR-QQCST sy-vline 
WA_DB4IDU0200_STR-QQCSTN sy-vline 
WA_DB4IDU0200_STR-QQIDXA sy-vline 
WA_DB4IDU0200_STR-QQRCOD sy-vline 
WA_DB4IDU0200_STR-QQSTTX_LEN sy-vline 
WA_DB4IDU0200_STR-QQSTTX sy-vline 
WA_DB4IDU0200_STR-QQUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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