ABAP Select data from SAP table HRDEEH_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEEH_D
*  INTO TABLE @DATA(IT_HRDEEH_D2).
*--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_HRDEEH_D INDEX 1 INTO DATA(WA_HRDEEH_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEEH_D>-LFDNR = 1.
<HRDEEH_D>-DLIM1 = 1.
<HRDEEH_D>-BTRNR = 1.
<HRDEEH_D>-DLIM2 = 1.
<HRDEEH_D>-GESCH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEEH_D-DLIM3, sy-vline,
  WA_HRDEEH_D-PERNR, sy-vline,
  WA_HRDEEH_D-DLIM4, sy-vline,
  WA_HRDEEH_D-NNAME, sy-vline,
  WA_HRDEEH_D-DLIM5, sy-vline,
  WA_HRDEEH_D-VNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEEH_D 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_HRDEEH_D 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_HRDEEH_D INTO WA_HRDEEH_D.


*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_HRDEEH_D_STR, 
LFDNR TYPE STRING,
DLIM1 TYPE STRING,
BTRNR TYPE STRING,
DLIM2 TYPE STRING,
GESCH TYPE STRING,
DLIM3 TYPE STRING,
PERNR TYPE STRING,
DLIM4 TYPE STRING,
NNAME TYPE STRING,
DLIM5 TYPE STRING,
VNAME TYPE STRING,
DLIM6 TYPE STRING,
WOORT TYPE STRING,
DLIM7 TYPE STRING,
GEBDT TYPE STRING,
DLIM8 TYPE STRING,
DUETA TYPE STRING,
DLIM9 TYPE STRING,
TBEZG TYPE STRING,
DLIM10 TYPE STRING,
AZEIT TYPE STRING,
DLIM11 TYPE STRING,
EINDT TYPE STRING,
DLIM12 TYPE STRING,
AUSDT TYPE STRING,
DLIM13 TYPE STRING,
PEGRP TYPE STRING,
DLIM14 TYPE STRING,
DNSTL TYPE STRING,
DLIM15 TYPE STRING,
DSITZ TYPE STRING,
DLIM16 TYPE STRING,
AKTKN TYPE STRING,
DLIM17 TYPE STRING,
BEGDA TYPE STRING,
DLIM18 TYPE STRING,
ENDDA TYPE STRING,
DLIM19 TYPE STRING,
WEGDT TYPE STRING,
DLIM20 TYPE STRING,
ABBEG TYPE STRING,
DLIM21 TYPE STRING,
ABEND TYPE STRING,
DLIM22 TYPE STRING,
NAME1 TYPE STRING,
DLIM23 TYPE STRING,
NAME2 TYPE STRING,
DLIM24 TYPE STRING,
NAME3 TYPE STRING,
DLIM25 TYPE STRING,
RFORM TYPE STRING,
DLIM26 TYPE STRING,
INTID TYPE STRING,
DLIM27 TYPE STRING,
STRAS TYPE STRING,
DLIM28 TYPE STRING,
PLZ TYPE STRING,
DLIM29 TYPE STRING,
ORT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEEH_D_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_HRDEEH_D_STR-LFDNR sy-vline 
WA_HRDEEH_D_STR-DLIM1 sy-vline 
WA_HRDEEH_D_STR-BTRNR sy-vline 
WA_HRDEEH_D_STR-DLIM2 sy-vline 
WA_HRDEEH_D_STR-GESCH sy-vline 
WA_HRDEEH_D_STR-DLIM3 sy-vline 
WA_HRDEEH_D_STR-PERNR sy-vline 
WA_HRDEEH_D_STR-DLIM4 sy-vline 
WA_HRDEEH_D_STR-NNAME sy-vline 
WA_HRDEEH_D_STR-DLIM5 sy-vline 
WA_HRDEEH_D_STR-VNAME sy-vline 
WA_HRDEEH_D_STR-DLIM6 sy-vline 
WA_HRDEEH_D_STR-WOORT sy-vline 
WA_HRDEEH_D_STR-DLIM7 sy-vline 
WA_HRDEEH_D_STR-GEBDT sy-vline 
WA_HRDEEH_D_STR-DLIM8 sy-vline 
WA_HRDEEH_D_STR-DUETA sy-vline 
WA_HRDEEH_D_STR-DLIM9 sy-vline 
WA_HRDEEH_D_STR-TBEZG sy-vline 
WA_HRDEEH_D_STR-DLIM10 sy-vline 
WA_HRDEEH_D_STR-AZEIT sy-vline 
WA_HRDEEH_D_STR-DLIM11 sy-vline 
WA_HRDEEH_D_STR-EINDT sy-vline 
WA_HRDEEH_D_STR-DLIM12 sy-vline 
WA_HRDEEH_D_STR-AUSDT sy-vline 
WA_HRDEEH_D_STR-DLIM13 sy-vline 
WA_HRDEEH_D_STR-PEGRP sy-vline 
WA_HRDEEH_D_STR-DLIM14 sy-vline 
WA_HRDEEH_D_STR-DNSTL sy-vline 
WA_HRDEEH_D_STR-DLIM15 sy-vline 
WA_HRDEEH_D_STR-DSITZ sy-vline 
WA_HRDEEH_D_STR-DLIM16 sy-vline 
WA_HRDEEH_D_STR-AKTKN sy-vline 
WA_HRDEEH_D_STR-DLIM17 sy-vline 
WA_HRDEEH_D_STR-BEGDA sy-vline 
WA_HRDEEH_D_STR-DLIM18 sy-vline 
WA_HRDEEH_D_STR-ENDDA sy-vline 
WA_HRDEEH_D_STR-DLIM19 sy-vline 
WA_HRDEEH_D_STR-WEGDT sy-vline 
WA_HRDEEH_D_STR-DLIM20 sy-vline 
WA_HRDEEH_D_STR-ABBEG sy-vline 
WA_HRDEEH_D_STR-DLIM21 sy-vline 
WA_HRDEEH_D_STR-ABEND sy-vline 
WA_HRDEEH_D_STR-DLIM22 sy-vline 
WA_HRDEEH_D_STR-NAME1 sy-vline 
WA_HRDEEH_D_STR-DLIM23 sy-vline 
WA_HRDEEH_D_STR-NAME2 sy-vline 
WA_HRDEEH_D_STR-DLIM24 sy-vline 
WA_HRDEEH_D_STR-NAME3 sy-vline 
WA_HRDEEH_D_STR-DLIM25 sy-vline 
WA_HRDEEH_D_STR-RFORM sy-vline 
WA_HRDEEH_D_STR-DLIM26 sy-vline 
WA_HRDEEH_D_STR-INTID sy-vline 
WA_HRDEEH_D_STR-DLIM27 sy-vline 
WA_HRDEEH_D_STR-STRAS sy-vline 
WA_HRDEEH_D_STR-DLIM28 sy-vline 
WA_HRDEEH_D_STR-PLZ sy-vline 
WA_HRDEEH_D_STR-DLIM29 sy-vline 
WA_HRDEEH_D_STR-ORT sy-vline      INTO ld_text SEPARATED BY SPACE.

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