ABAP Select data from SAP table /SEHS/BAS_KPATH 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_KPATH 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_KPATH. 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_KPATH 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_KPATH TYPE STANDARD TABLE OF /SEHS/BAS_KPATH,
      WA_/SEHS/BAS_KPATH TYPE /SEHS/BAS_KPATH,
      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_KPATH> TYPE /SEHS/BAS_KPATH.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SEHS/BAS_KPATH
*  INTO TABLE @DATA(IT_/SEHS/BAS_KPATH2).
*--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_KPATH INDEX 1 INTO DATA(WA_/SEHS/BAS_KPATH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SEHS/BAS_KPATH>-RECN = 1.
</SEHS/BAS_KPATH>-SUBID = 1.
</SEHS/BAS_KPATH>-SUBCAT = 1.
</SEHS/BAS_KPATH>-SUBCHAR = 1.
</SEHS/BAS_KPATH>-SUBNAM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SEHS/BAS_KPATH-AUTHGRP, sy-vline,
  WA_/SEHS/BAS_KPATH-ADD_INF1, sy-vline,
  WA_/SEHS/BAS_KPATH-ADD_INF2, sy-vline,
  WA_/SEHS/BAS_KPATH-ADD_INF3, sy-vline,
  WA_/SEHS/BAS_KPATH-ICONNAM, sy-vline,
  WA_/SEHS/BAS_KPATH-REFIDENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SEHS/BAS_KPATH 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_KPATH 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_KPATH INTO WA_/SEHS/BAS_KPATH.


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

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

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

*Conversion exit ALPHA, internal->external for field ACTNTVA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SEHS/BAS_KPATH-ACTNTVA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SEHS/BAS_KPATH-ACTNTVA.
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_KPATH_STR, 
RECN TYPE STRING,
SUBID TYPE STRING,
SUBCAT TYPE STRING,
SUBCHAR TYPE STRING,
SUBNAM TYPE STRING,
AUTHGRP TYPE STRING,
ADD_INF1 TYPE STRING,
ADD_INF2 TYPE STRING,
ADD_INF3 TYPE STRING,
ICONNAM TYPE STRING,
REFIDENT TYPE STRING,
ESTCAT TYPE STRING,
ESTNAM TYPE STRING,
ESTTAB TYPE STRING,
MENID TYPE STRING,
RECNTVH TYPE STRING,
RECNTVA TYPE STRING,
ACTNTVA TYPE STRING,
OBJTYPE TYPE STRING,
OBJTYPENAM TYPE STRING,
REFEXFLG TYPE STRING,
REFERFLG TYPE STRING,
VALPOSFLG TYPE STRING,
PREOBJFLG TYPE STRING,
NEXOBJFLG TYPE STRING,
PREENTFLG TYPE STRING,
NEXENTFLG TYPE STRING,
OWSRFLG TYPE STRING,
TCFLG TYPE STRING,
DGFLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SEHS/BAS_KPATH_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_KPATH_STR-RECN sy-vline 
WA_/SEHS/BAS_KPATH_STR-SUBID sy-vline 
WA_/SEHS/BAS_KPATH_STR-SUBCAT sy-vline 
WA_/SEHS/BAS_KPATH_STR-SUBCHAR sy-vline 
WA_/SEHS/BAS_KPATH_STR-SUBNAM sy-vline 
WA_/SEHS/BAS_KPATH_STR-AUTHGRP sy-vline 
WA_/SEHS/BAS_KPATH_STR-ADD_INF1 sy-vline 
WA_/SEHS/BAS_KPATH_STR-ADD_INF2 sy-vline 
WA_/SEHS/BAS_KPATH_STR-ADD_INF3 sy-vline 
WA_/SEHS/BAS_KPATH_STR-ICONNAM sy-vline 
WA_/SEHS/BAS_KPATH_STR-REFIDENT sy-vline 
WA_/SEHS/BAS_KPATH_STR-ESTCAT sy-vline 
WA_/SEHS/BAS_KPATH_STR-ESTNAM sy-vline 
WA_/SEHS/BAS_KPATH_STR-ESTTAB sy-vline 
WA_/SEHS/BAS_KPATH_STR-MENID sy-vline 
WA_/SEHS/BAS_KPATH_STR-RECNTVH sy-vline 
WA_/SEHS/BAS_KPATH_STR-RECNTVA sy-vline 
WA_/SEHS/BAS_KPATH_STR-ACTNTVA sy-vline 
WA_/SEHS/BAS_KPATH_STR-OBJTYPE sy-vline 
WA_/SEHS/BAS_KPATH_STR-OBJTYPENAM sy-vline 
WA_/SEHS/BAS_KPATH_STR-REFEXFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-REFERFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-VALPOSFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-PREOBJFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-NEXOBJFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-PREENTFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-NEXENTFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-OWSRFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-TCFLG sy-vline 
WA_/SEHS/BAS_KPATH_STR-DGFLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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