ABAP Select data from SAP table EHS00S_SRVPROT_IOT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHS00S_SRVPROT_IOT 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 EHS00S_SRVPROT_IOT. 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 EHS00S_SRVPROT_IOT 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_EHS00S_SRVPROT_IOT TYPE STANDARD TABLE OF EHS00S_SRVPROT_IOT,
      WA_EHS00S_SRVPROT_IOT TYPE EHS00S_SRVPROT_IOT,
      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: <EHS00S_SRVPROT_IOT> TYPE EHS00S_SRVPROT_IOT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHS00S_SRVPROT_IOT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHS00S_SRVPROT_IOT
  INTO TABLE IT_EHS00S_SRVPROT_IOT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHS00S_SRVPROT_IOT
*  INTO TABLE @DATA(IT_EHS00S_SRVPROT_IOT2).
*--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_EHS00S_SRVPROT_IOT INDEX 1 INTO DATA(WA_EHS00S_SRVPROT_IOT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHS00S_SRVPROT_IOT ASSIGNING <EHS00S_SRVPROT_IOT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHS00S_SRVPROT_IOT>-MARKFLG = 1.
<EHS00S_SRVPROT_IOT>-SELEFLG = 1.
<EHS00S_SRVPROT_IOT>-LINENO = 1.
<EHS00S_SRVPROT_IOT>-LINEMOD = 1.
<EHS00S_SRVPROT_IOT>-CHCOFLG = 1.

ENDLOOP.

LOOP AT IT_EHS00S_SRVPROT_IOT INTO WA_EHS00S_SRVPROT_IOT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHS00S_SRVPROT_IOT-LOCKMOD, sy-vline,
  WA_EHS00S_SRVPROT_IOT-INTRFLG, sy-vline,
  WA_EHS00S_SRVPROT_IOT-MANDT, sy-vline,
  WA_EHS00S_SRVPROT_IOT-SRV_NUMBER, sy-vline,
  WA_EHS00S_SRVPROT_IOT-PGROUP, sy-vline,
  WA_EHS00S_SRVPROT_IOT-PNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHS00S_SRVPROT_IOT 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_EHS00S_SRVPROT_IOT 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_EHS00S_SRVPROT_IOT INTO WA_EHS00S_SRVPROT_IOT.


*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.

*Conversion exit ALPHA, internal->external for field SRV_PHYSICIAN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_SRVPROT_IOT-SRV_PHYSICIAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_SRVPROT_IOT-SRV_PHYSICIAN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROT_PRESP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_SRVPROT_IOT-PROT_PRESP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_SRVPROT_IOT-PROT_PRESP.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_EHS00S_SRVPROT_IOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
SRV_NUMBER TYPE STRING,
PGROUP TYPE STRING,
PNUMBER TYPE STRING,
POWNER TYPE STRING,
SRV_PROTTYPE TYPE STRING,
SRV_PROTRESULT TYPE STRING,
SRV_PRES_UNTIL TYPE STRING,
SRV_PROT_DECLIND TYPE STRING,
SRV_PROT_UDAT TYPE STRING,
SRV_PROTTYPENEXT TYPE STRING,
SRV_PROTNESCHEDA TYPE STRING,
LAST_SCHED TYPE STRING,
SRV_PROT_RECDATE TYPE STRING,
SRV_PHYSICIAN TYPE STRING,
PHYSFLAG TYPE STRING,
UNAME TYPE STRING,
AEDTM TYPE STRING,
PROT_PRESP TYPE STRING,
DATE_PERFORMED TYPE STRING,
PGROUPNAM TYPE STRING,
PNAME TYPE STRING,
POWNERNAM TYPE STRING,
PROT_FRTYPNAM TYPE STRING,
RESULTTEXT TYPE STRING,
PROT_FRTYPNAMNXT TYPE STRING,
PROT_PHYSNAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHS00S_SRVPROT_IOT_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_EHS00S_SRVPROT_IOT_STR-MARKFLG sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SELEFLG sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-LINENO sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-LINEMOD sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-CHCOFLG sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-LOCKMOD sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-INTRFLG sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-MANDT sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_NUMBER sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PGROUP sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PNUMBER sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-POWNER sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROTTYPE sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROTRESULT sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PRES_UNTIL sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROT_DECLIND sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROT_UDAT sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROTTYPENEXT sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROTNESCHEDA sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-LAST_SCHED sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PROT_RECDATE sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-SRV_PHYSICIAN sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PHYSFLAG sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-UNAME sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-AEDTM sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PROT_PRESP sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-DATE_PERFORMED sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PGROUPNAM sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PNAME sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-POWNERNAM sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PROT_FRTYPNAM sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-RESULTTEXT sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PROT_FRTYPNAMNXT sy-vline 
WA_EHS00S_SRVPROT_IOT_STR-PROT_PHYSNAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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