ABAP Select data from SAP table EHS00S_PROT_TXT_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_PROT_TXT_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_PROT_TXT_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_PROT_TXT_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_PROT_TXT_IOT TYPE STANDARD TABLE OF EHS00S_PROT_TXT_IOT,
      WA_EHS00S_PROT_TXT_IOT TYPE EHS00S_PROT_TXT_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_PROT_TXT_IOT> TYPE EHS00S_PROT_TXT_IOT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHS00S_PROT_TXT_IOT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHS00S_PROT_TXT_IOT
  INTO TABLE IT_EHS00S_PROT_TXT_IOT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHS00S_PROT_TXT_IOT
*  INTO TABLE @DATA(IT_EHS00S_PROT_TXT_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_PROT_TXT_IOT INDEX 1 INTO DATA(WA_EHS00S_PROT_TXT_IOT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHS00S_PROT_TXT_IOT ASSIGNING <EHS00S_PROT_TXT_IOT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHS00S_PROT_TXT_IOT>-MARKFLG = 1.
<EHS00S_PROT_TXT_IOT>-SELEFLG = 1.
<EHS00S_PROT_TXT_IOT>-LINENO = 1.
<EHS00S_PROT_TXT_IOT>-LINEMOD = 1.
<EHS00S_PROT_TXT_IOT>-CHCOFLG = 1.

ENDLOOP.

LOOP AT IT_EHS00S_PROT_TXT_IOT INTO WA_EHS00S_PROT_TXT_IOT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHS00S_PROT_TXT_IOT-LOCKMOD, sy-vline,
  WA_EHS00S_PROT_TXT_IOT-INTRFLG, sy-vline,
  WA_EHS00S_PROT_TXT_IOT-ERRORMODE, sy-vline,
  WA_EHS00S_PROT_TXT_IOT-ERRORINFO, sy-vline,
  WA_EHS00S_PROT_TXT_IOT-ERRORCLASS, sy-vline,
  WA_EHS00S_PROT_TXT_IOT-ERRORPARAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHS00S_PROT_TXT_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_PROT_TXT_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_PROT_TXT_IOT INTO WA_EHS00S_PROT_TXT_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 RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PROT_TXT_IOT-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PROT_TXT_IOT-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PROT_TXT_IOT-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PROT_TXT_IOT-ACTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PROT_TXT_IOT-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PROT_TXT_IOT-RECNROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PROT_TXT_IOT-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PROT_TXT_IOT-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHS00S_PROT_TXT_IOT-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHS00S_PROT_TXT_IOT-AENNR.
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_PROT_TXT_IOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
ERRORMODE TYPE STRING,
ERRORINFO TYPE STRING,
ERRORCLASS TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
ACTYPE TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
RECNROOT TYPE STRING,
MANDT TYPE STRING,
PGROUP TYPE STRING,
PNUMBER TYPE STRING,
SPRAS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
PNAME TYPE STRING,
UNAM TYPE STRING,
AENNR TYPE STRING,
CRNAM TYPE STRING,
CRDTIMESTAMP TYPE STRING,
UPDNAM TYPE STRING,
UPDTIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHS00S_PROT_TXT_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_PROT_TXT_IOT_STR-MARKFLG sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-SELEFLG sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-LINENO sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-LINEMOD sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-CHCOFLG sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-LOCKMOD sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-INTRFLG sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ERRORMODE sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ERRORINFO sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ERRORCLASS sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ERRORPARAM sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-LOGLOCKMOD sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-EXTINFO sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ACTYPE sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-RECN sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ACTN sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-RECNROOT sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-MANDT sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-PGROUP sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-PNUMBER sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-SPRAS sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-ENDDA sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-BEGDA sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-PNAME sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-UNAM sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-AENNR sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-CRNAM sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-CRDTIMESTAMP sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-UPDNAM sy-vline 
WA_EHS00S_PROT_TXT_IOT_STR-UPDTIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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