ABAP Select data from SAP table HRDEEH_F into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDEEH_F 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_F. 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_F 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_F TYPE STANDARD TABLE OF HRDEEH_F,
      WA_HRDEEH_F TYPE HRDEEH_F,
      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_F> TYPE HRDEEH_F.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEEH_F
*  INTO TABLE @DATA(IT_HRDEEH_F2).
*--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_F INDEX 1 INTO DATA(WA_HRDEEH_F2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEEH_F>-BTRNR = 1.
<HRDEEH_F>-DLIM1 = 1.
<HRDEEH_F>-BTBEG = 1.
<HRDEEH_F>-DLIM2 = 1.
<HRDEEH_F>-BTEND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEEH_F-DLIM3, sy-vline,
  WA_HRDEEH_F-NAME1, sy-vline,
  WA_HRDEEH_F-DLIM4, sy-vline,
  WA_HRDEEH_F-NAME2, sy-vline,
  WA_HRDEEH_F-DLIM5, sy-vline,
  WA_HRDEEH_F-NAME3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEEH_F 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_F 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_F INTO WA_HRDEEH_F.


*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_F_STR, 
BTRNR TYPE STRING,
DLIM1 TYPE STRING,
BTBEG TYPE STRING,
DLIM2 TYPE STRING,
BTEND TYPE STRING,
DLIM3 TYPE STRING,
NAME1 TYPE STRING,
DLIM4 TYPE STRING,
NAME2 TYPE STRING,
DLIM5 TYPE STRING,
NAME3 TYPE STRING,
DLIM6 TYPE STRING,
RFORM TYPE STRING,
DLIM7 TYPE STRING,
INTID TYPE STRING,
DLIM8 TYPE STRING,
STRAS TYPE STRING,
DLIM9 TYPE STRING,
PLZ TYPE STRING,
DLIM10 TYPE STRING,
ORT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEEH_F_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_F_STR-BTRNR sy-vline 
WA_HRDEEH_F_STR-DLIM1 sy-vline 
WA_HRDEEH_F_STR-BTBEG sy-vline 
WA_HRDEEH_F_STR-DLIM2 sy-vline 
WA_HRDEEH_F_STR-BTEND sy-vline 
WA_HRDEEH_F_STR-DLIM3 sy-vline 
WA_HRDEEH_F_STR-NAME1 sy-vline 
WA_HRDEEH_F_STR-DLIM4 sy-vline 
WA_HRDEEH_F_STR-NAME2 sy-vline 
WA_HRDEEH_F_STR-DLIM5 sy-vline 
WA_HRDEEH_F_STR-NAME3 sy-vline 
WA_HRDEEH_F_STR-DLIM6 sy-vline 
WA_HRDEEH_F_STR-RFORM sy-vline 
WA_HRDEEH_F_STR-DLIM7 sy-vline 
WA_HRDEEH_F_STR-INTID sy-vline 
WA_HRDEEH_F_STR-DLIM8 sy-vline 
WA_HRDEEH_F_STR-STRAS sy-vline 
WA_HRDEEH_F_STR-DLIM9 sy-vline 
WA_HRDEEH_F_STR-PLZ sy-vline 
WA_HRDEEH_F_STR-DLIM10 sy-vline 
WA_HRDEEH_F_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.