ABAP Select data from SAP table /SEHS/BAS_USEEXIT_IOREC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SEHS/BAS_USEEXIT_IOREC 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 /SEHS/BAS_USEEXIT_IOREC. 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 /SEHS/BAS_USEEXIT_IOREC 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_/SEHS/BAS_USEEXIT_IOREC TYPE STANDARD TABLE OF /SEHS/BAS_USEEXIT_IOREC,
      WA_/SEHS/BAS_USEEXIT_IOREC TYPE /SEHS/BAS_USEEXIT_IOREC,
      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: </SEHS/BAS_USEEXIT_IOREC> TYPE /SEHS/BAS_USEEXIT_IOREC.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SEHS/BAS_USEEXIT_IOREC
  INTO TABLE IT_/SEHS/BAS_USEEXIT_IOREC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SEHS/BAS_USEEXIT_IOREC
*  INTO TABLE @DATA(IT_/SEHS/BAS_USEEXIT_IOREC2).
*--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_/SEHS/BAS_USEEXIT_IOREC INDEX 1 INTO DATA(WA_/SEHS/BAS_USEEXIT_IOREC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SEHS/BAS_USEEXIT_IOREC ASSIGNING </SEHS/BAS_USEEXIT_IOREC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SEHS/BAS_USEEXIT_IOREC>-RECN = 1.
</SEHS/BAS_USEEXIT_IOREC>-ACTN = 1.
</SEHS/BAS_USEEXIT_IOREC>-MARKFLG = 1.
</SEHS/BAS_USEEXIT_IOREC>-SELEFLG = 1.
</SEHS/BAS_USEEXIT_IOREC>-LINENO = 1.

ENDLOOP.

LOOP AT IT_/SEHS/BAS_USEEXIT_IOREC INTO WA_/SEHS/BAS_USEEXIT_IOREC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SEHS/BAS_USEEXIT_IOREC-LINEMOD, sy-vline,
  WA_/SEHS/BAS_USEEXIT_IOREC-CHCOFLG, sy-vline,
  WA_/SEHS/BAS_USEEXIT_IOREC-LOCKMOD, sy-vline,
  WA_/SEHS/BAS_USEEXIT_IOREC-INTRFLG, sy-vline,
  WA_/SEHS/BAS_USEEXIT_IOREC-MANDT, sy-vline,
  WA_/SEHS/BAS_USEEXIT_IOREC-USEXTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SEHS/BAS_USEEXIT_IOREC 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_/SEHS/BAS_USEEXIT_IOREC 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_/SEHS/BAS_USEEXIT_IOREC INTO WA_/SEHS/BAS_USEEXIT_IOREC.


*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_/SEHS/BAS_USEEXIT_IOREC-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SEHS/BAS_USEEXIT_IOREC-RECN.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SEHS/BAS_USEEXIT_IOREC-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SEHS/BAS_USEEXIT_IOREC-RECNROOT.
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_/SEHS/BAS_USEEXIT_IOREC_STR, 
RECN TYPE STRING,
ACTN TYPE STRING,
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
USEXTYP TYPE STRING,
USEXNAM TYPE STRING,
OBJTYPE TYPE STRING,
FBNAM TYPE STRING,
ORD TYPE STRING,
PARFUNNAM TYPE STRING,
CMDFUNNAM TYPE STRING,
USEXDES TYPE STRING,
PAREXIFLG TYPE STRING,
PARPREFLG TYPE STRING,
BUTTON TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SEHS/BAS_USEEXIT_IOREC_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_/SEHS/BAS_USEEXIT_IOREC_STR-RECN sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-ACTN sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-MARKFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-SELEFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-LINENO sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-LINEMOD sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-CHCOFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-LOCKMOD sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-INTRFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-MANDT sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-USEXTYP sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-USEXNAM sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-OBJTYPE sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-FBNAM sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-ORD sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-PARFUNNAM sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-CMDFUNNAM sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-USEXDES sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-PAREXIFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-PARPREFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-BUTTON sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-VALFR sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-VALTO sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-AENNR sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-DELFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-PARKFLG sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-CRDAT sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-CRNAM sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-UPDDAT sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-UPDNAM sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-SRSID sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-OWNID sy-vline 
WA_/SEHS/BAS_USEEXIT_IOREC_STR-RECNROOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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