ABAP Select data from SAP table HAP_S_CALIB_BODY_ELEMENTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HAP_S_CALIB_BODY_ELEMENTS
*  INTO TABLE @DATA(IT_HAP_S_CALIB_BODY_ELEMENTS2).
*--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_HAP_S_CALIB_BODY_ELEMENTS INDEX 1 INTO DATA(WA_HAP_S_CALIB_BODY_ELEMENTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HAP_S_CALIB_BODY_ELEMENTS>-ROW_IID = 1.
<HAP_S_CALIB_BODY_ELEMENTS>-PARENT = 1.
<HAP_S_CALIB_BODY_ELEMENTS>-CHILD = 1.
<HAP_S_CALIB_BODY_ELEMENTS>-BROTHER = 1.
<HAP_S_CALIB_BODY_ELEMENTS>-AP_LEVEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HAP_S_CALIB_BODY_ELEMENTS-ROW_SORT, sy-vline,
  WA_HAP_S_CALIB_BODY_ELEMENTS-ELEMENT_TYPE, sy-vline,
  WA_HAP_S_CALIB_BODY_ELEMENTS-ELEMENT_ID, sy-vline,
  WA_HAP_S_CALIB_BODY_ELEMENTS-FOREIGN_TYPE, sy-vline,
  WA_HAP_S_CALIB_BODY_ELEMENTS-FOREIGN_ID, sy-vline,
  WA_HAP_S_CALIB_BODY_ELEMENTS-NUMBERING, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HAP_S_CALIB_BODY_ELEMENTS 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_HAP_S_CALIB_BODY_ELEMENTS 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_HAP_S_CALIB_BODY_ELEMENTS INTO WA_HAP_S_CALIB_BODY_ELEMENTS.


*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_HAP_S_CALIB_BODY_ELEMENTS_STR, 
ROW_IID TYPE STRING,
PARENT TYPE STRING,
CHILD TYPE STRING,
BROTHER TYPE STRING,
AP_LEVEL TYPE STRING,
ROW_SORT TYPE STRING,
ELEMENT_TYPE TYPE STRING,
ELEMENT_ID TYPE STRING,
FOREIGN_TYPE TYPE STRING,
FOREIGN_ID TYPE STRING,
NUMBERING TYPE STRING,
NAME TYPE STRING,
FREE_INPUT TYPE STRING,
LAYOUT_TEXT TYPE STRING,
LAYOUT_VALUES TYPE STRING,
LAYOUT_NOTE_LINE TYPE STRING,
LAYOUT_MAX_CHAR TYPE STRING,
EXIT_ADD_FIX TYPE STRING,
EXIT_ADD_FREE TYPE STRING,
EXIT_DELETE TYPE STRING,
USED_COLUMNS TYPE STRING,
AVAILABILITY TYPE STRING,
VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HAP_S_CALIB_BODY_ELEMENTS_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_HAP_S_CALIB_BODY_ELEMENTS_STR-ROW_IID sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-PARENT sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-CHILD sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-BROTHER sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-AP_LEVEL sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-ROW_SORT sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-ELEMENT_TYPE sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-ELEMENT_ID sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-FOREIGN_TYPE sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-FOREIGN_ID sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-NUMBERING sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-NAME sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-FREE_INPUT sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-LAYOUT_TEXT sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-LAYOUT_VALUES sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-LAYOUT_NOTE_LINE sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-LAYOUT_MAX_CHAR sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-EXIT_ADD_FIX sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-EXIT_ADD_FREE sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-EXIT_DELETE sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-USED_COLUMNS sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-AVAILABILITY sy-vline 
WA_HAP_S_CALIB_BODY_ELEMENTS_STR-VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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