ABAP Select data from SAP table SETHANAHIER0102 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SETHANAHIER0102 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 SETHANAHIER0102. 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 SETHANAHIER0102 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_SETHANAHIER0102 TYPE STANDARD TABLE OF SETHANAHIER0102,
      WA_SETHANAHIER0102 TYPE SETHANAHIER0102,
      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: <SETHANAHIER0102> TYPE SETHANAHIER0102.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SETHANAHIER0102.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SETHANAHIER0102
  INTO TABLE IT_SETHANAHIER0102.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SETHANAHIER0102
*  INTO TABLE @DATA(IT_SETHANAHIER01022).
*--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_SETHANAHIER0102 INDEX 1 INTO DATA(WA_SETHANAHIER01022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SETHANAHIER0102 ASSIGNING <SETHANAHIER0102>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SETHANAHIER0102>-MANDT = 1.
<SETHANAHIER0102>-SETCLASS = 1.
<SETHANAHIER0102>-SUBCLASS = 1.
<SETHANAHIER0102>-HIERBASE = 1.
<SETHANAHIER0102>-SUCC = 1.

ENDLOOP.

LOOP AT IT_SETHANAHIER0102 INTO WA_SETHANAHIER0102.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SETHANAHIER0102-PRED, sy-vline,
  WA_SETHANAHIER0102-HLEVEL, sy-vline,
  WA_SETHANAHIER0102-SETID, sy-vline,
  WA_SETHANAHIER0102-SETNAME, sy-vline,
  WA_SETHANAHIER0102-VCOUNT, sy-vline,
  WA_SETHANAHIER0102-SEARCHFLD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SETHANAHIER0102 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_SETHANAHIER0102 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_SETHANAHIER0102 INTO WA_SETHANAHIER0102.


*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_SETHANAHIER0102_STR, 
MANDT TYPE STRING,
SETCLASS TYPE STRING,
SUBCLASS TYPE STRING,
HIERBASE TYPE STRING,
SUCC TYPE STRING,
PRED TYPE STRING,
HLEVEL TYPE STRING,
SETID TYPE STRING,
SETNAME TYPE STRING,
VCOUNT TYPE STRING,
SEARCHFLD TYPE STRING,
OLD_LINE TYPE STRING,
VALUE_FROM TYPE STRING,
VALUE_TO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SETHANAHIER0102_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_SETHANAHIER0102_STR-MANDT sy-vline 
WA_SETHANAHIER0102_STR-SETCLASS sy-vline 
WA_SETHANAHIER0102_STR-SUBCLASS sy-vline 
WA_SETHANAHIER0102_STR-HIERBASE sy-vline 
WA_SETHANAHIER0102_STR-SUCC sy-vline 
WA_SETHANAHIER0102_STR-PRED sy-vline 
WA_SETHANAHIER0102_STR-HLEVEL sy-vline 
WA_SETHANAHIER0102_STR-SETID sy-vline 
WA_SETHANAHIER0102_STR-SETNAME sy-vline 
WA_SETHANAHIER0102_STR-VCOUNT sy-vline 
WA_SETHANAHIER0102_STR-SEARCHFLD sy-vline 
WA_SETHANAHIER0102_STR-OLD_LINE sy-vline 
WA_SETHANAHIER0102_STR-VALUE_FROM sy-vline 
WA_SETHANAHIER0102_STR-VALUE_TO sy-vline      INTO ld_text SEPARATED BY SPACE.

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