ABAP Select data from SAP table EHFNDI_DUMMY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDI_DUMMY
*  INTO TABLE @DATA(IT_EHFNDI_DUMMY2).
*--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_EHFNDI_DUMMY INDEX 1 INTO DATA(WA_EHFNDI_DUMMY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDI_DUMMY>-DUMMY = 1.
<EHFNDI_DUMMY>-CONSTANT1 = 1.
<EHFNDI_DUMMY>-CONSTANT0 = 1.
<EHFNDI_DUMMY>-CONSTANT2 = 1.
<EHFNDI_DUMMY>-CONSTANT3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDI_DUMMY-CONSTANTEMPTYRAW16, sy-vline,
  WA_EHFNDI_DUMMY-CONSTANTHYPHEN, sy-vline,
  WA_EHFNDI_DUMMY-CONSTANTRAW, sy-vline,
  WA_EHFNDI_DUMMY-CONSTANTEMPTY, sy-vline,
  WA_EHFNDI_DUMMY-CONSTANTTRUE, sy-vline,
  WA_EHFNDI_DUMMY-CONSTANTFALSE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDI_DUMMY 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_EHFNDI_DUMMY 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_EHFNDI_DUMMY INTO WA_EHFNDI_DUMMY.


*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_EHFNDI_DUMMY_STR, 
DUMMY TYPE STRING,
CONSTANT1 TYPE STRING,
CONSTANT0 TYPE STRING,
CONSTANT2 TYPE STRING,
CONSTANT3 TYPE STRING,
CONSTANTEMPTYRAW16 TYPE STRING,
CONSTANTHYPHEN TYPE STRING,
CONSTANTRAW TYPE STRING,
CONSTANTEMPTY TYPE STRING,
CONSTANTTRUE TYPE STRING,
CONSTANTFALSE TYPE STRING,
CONSTANTNOTEXISTING TYPE STRING,
CONSTANTSYNTHESIS TYPE STRING,
CONSTANTMIXTURE TYPE STRING,
CONSTANTINPROGRESS TYPE STRING,
CONSTANTINITIALVERSION TYPE STRING,
CONSTANTRELEASED TYPE STRING,
CONSTANTCALCULATED TYPE STRING,
CONSTANTOUTDATED TYPE STRING,
CONSTANTMISSING TYPE STRING,
CONSTANTCOMPSTATFORRELEASE TYPE STRING,
CONSTANTCOMPSTATNEW TYPE STRING,
CONSTANT4 TYPE STRING,
CONSTANT01 TYPE STRING,
CONSTANT02 TYPE STRING,
CONSTANT03 TYPE STRING,
CONSTANT04 TYPE STRING,
CONSTANTNEW TYPE STRING,
CONSTANTACTIVE TYPE STRING,
CONSTANTUPDATED TYPE STRING,
CONSTANTNONE TYPE STRING,
CONSTANTCOMPLETE TYPE STRING,
CONSTANTINPROCESS TYPE STRING,
CONSTANTCCI TYPE STRING,
CONSTANTSUB TYPE STRING,
CONSTANTCSM TYPE STRING,
CONSTANTCCMPS TYPE STRING,
CONSTANTCRR TYPE STRING,
CONSTANTCR TYPE STRING,
CONSTANTCRV TYPE STRING,
CONSTANTPRP TYPE STRING,
CONSTANTPCSRQ TYPE STRING,
CONSTANTEVTSTSNEW TYPE STRING,
CONSTANTEVTSTSERROR TYPE STRING,
CONSTANTEVTSTSFATAL TYPE STRING,
CONSTANTEVTSTSINPROGRESS TYPE STRING,
CONSTANTEVTSTSCOMPLETED TYPE STRING,
CONSTANTCHGSTSNEWCOMP TYPE STRING,
CONSTANTCHGSTSREMOVDCOMP TYPE STRING,
CONSTANTCHGSTSNEWSUB TYPE STRING,
CONSTANTCHGSTSREMOVDSUB TYPE STRING,
CONSTANTCHGSTSDIFFCONC TYPE STRING,
CONSTANTCHGSTSDIFFROLE TYPE STRING,
CONSTANTLGLDVNCATUNCHANGED TYPE STRING,
CONSTANTLGLDVNCATREPLACED TYPE STRING,
CONSTANTLGLDVNCATDELETED TYPE STRING,
CONSTANTRAWMATERIALSEMOBJ TYPE STRING,
CONSTANTUNPACKAGEDPRODSEMOBJ TYPE STRING,
CONSTANTSAPSE TYPE STRING,
CONSTANTCUSTOMER TYPE STRING,
CONSTANTSAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDI_DUMMY_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_EHFNDI_DUMMY_STR-DUMMY sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT1 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT0 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT2 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT3 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEMPTYRAW16 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTHYPHEN sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTRAW sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEMPTY sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTTRUE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTFALSE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTNOTEXISTING sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTSYNTHESIS sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTMIXTURE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTINPROGRESS sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTINITIALVERSION sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTRELEASED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCALCULATED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTOUTDATED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTMISSING sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCOMPSTATFORRELEASE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCOMPSTATNEW sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT4 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT01 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT02 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT03 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANT04 sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTNEW sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTACTIVE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTUPDATED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTNONE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCOMPLETE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTINPROCESS sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCCI sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTSUB sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCSM sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCCMPS sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCRR sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCR sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCRV sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTPRP sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTPCSRQ sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEVTSTSNEW sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEVTSTSERROR sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEVTSTSFATAL sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEVTSTSINPROGRESS sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTEVTSTSCOMPLETED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCHGSTSNEWCOMP sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCHGSTSREMOVDCOMP sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCHGSTSNEWSUB sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCHGSTSREMOVDSUB sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCHGSTSDIFFCONC sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCHGSTSDIFFROLE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTLGLDVNCATUNCHANGED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTLGLDVNCATREPLACED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTLGLDVNCATDELETED sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTRAWMATERIALSEMOBJ sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTUNPACKAGEDPRODSEMOBJ sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTSAPSE sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTCUSTOMER sy-vline 
WA_EHFNDI_DUMMY_STR-CONSTANTSAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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