ABAP Select data from SAP table HAPCN_S_OBJ_LIB_UI_PROFT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HAPCN_S_OBJ_LIB_UI_PROFT
*  INTO TABLE @DATA(IT_HAPCN_S_OBJ_LIB_UI_PROFT2).
*--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_HAPCN_S_OBJ_LIB_UI_PROFT INDEX 1 INTO DATA(WA_HAPCN_S_OBJ_LIB_UI_PROFT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HAPCN_S_OBJ_LIB_UI_PROFT>-MANDT = 1.
<HAPCN_S_OBJ_LIB_UI_PROFT>-PLVAR = 1.
<HAPCN_S_OBJ_LIB_UI_PROFT>-PLTEXT = 1.
<HAPCN_S_OBJ_LIB_UI_PROFT>-OTYPE = 1.
<HAPCN_S_OBJ_LIB_UI_PROFT>-OTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HAPCN_S_OBJ_LIB_UI_PROFT-OBJID, sy-vline,
  WA_HAPCN_S_OBJ_LIB_UI_PROFT-ISTAT, sy-vline,
  WA_HAPCN_S_OBJ_LIB_UI_PROFT-PSTEXT, sy-vline,
  WA_HAPCN_S_OBJ_LIB_UI_PROFT-SHORT, sy-vline,
  WA_HAPCN_S_OBJ_LIB_UI_PROFT-STEXT, sy-vline,
  WA_HAPCN_S_OBJ_LIB_UI_PROFT-PRIOX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HAPCN_S_OBJ_LIB_UI_PROFT 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_HAPCN_S_OBJ_LIB_UI_PROFT 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_HAPCN_S_OBJ_LIB_UI_PROFT INTO WA_HAPCN_S_OBJ_LIB_UI_PROFT.


*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_HAPCN_S_OBJ_LIB_UI_PROFT_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
PLTEXT TYPE STRING,
OTYPE TYPE STRING,
OTEXT TYPE STRING,
OBJID TYPE STRING,
ISTAT TYPE STRING,
PSTEXT TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
PRIOX TYPE STRING,
DESCR TYPE STRING,
DESCRIPT TYPE STRING,
SCALE_ART TYPE STRING,
SCALE_ART_T TYPE STRING,
SCALE TYPE STRING,
SCALE_TEXT TYPE STRING,
RATING TYPE STRING,
RAT_TEXT TYPE STRING,
PROFT TYPE STRING,
DEFAULT_1048 TYPE STRING,
CODE TYPE STRING,
PROPERTY TYPE STRING,
SOURCE_ID TYPE STRING,
APPROVER_ID TYPE STRING,
OWNER_ID TYPE STRING,
SOURCE_TYPE TYPE STRING,
APPROVER_TYPE TYPE STRING,
OWNER_TYPE TYPE STRING,
VALEXIT TYPE STRING,
OWNER_T TYPE STRING,
SOURCE_T TYPE STRING,
APPROVER_T TYPE STRING,
PUP_OBJID TYPE STRING,
PUP_OTYPE TYPE STRING,
PUP_STEXT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
NOTE TYPE STRING,
PROPERTY_T TYPE STRING,
PROFT_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HAPCN_S_OBJ_LIB_UI_PROFT_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_HAPCN_S_OBJ_LIB_UI_PROFT_STR-MANDT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PLVAR sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PLTEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-OTYPE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-OTEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-OBJID sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-ISTAT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PSTEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SHORT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-STEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PRIOX sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-DESCR sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-DESCRIPT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SCALE_ART sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SCALE_ART_T sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SCALE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SCALE_TEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-RATING sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-RAT_TEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PROFT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-DEFAULT_1048 sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-CODE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PROPERTY sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SOURCE_ID sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-APPROVER_ID sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-OWNER_ID sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SOURCE_TYPE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-APPROVER_TYPE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-OWNER_TYPE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-VALEXIT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-OWNER_T sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-SOURCE_T sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-APPROVER_T sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PUP_OBJID sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PUP_OTYPE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PUP_STEXT sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-BEGDA sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-ENDDA sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-NOTE sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PROPERTY_T sy-vline 
WA_HAPCN_S_OBJ_LIB_UI_PROFT_STR-PROFT_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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