ABAP Select data from SAP table /XLSO/S_MIXNM_TRAINING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /XLSO/S_MIXNM_TRAINING
*  INTO TABLE @DATA(IT_/XLSO/S_MIXNM_TRAINING2).
*--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_/XLSO/S_MIXNM_TRAINING INDEX 1 INTO DATA(WA_/XLSO/S_MIXNM_TRAINING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</XLSO/S_MIXNM_TRAINING>-PLANVERSION = 1.
</XLSO/S_MIXNM_TRAINING>-MIXNMATCHTYPE = 1.
</XLSO/S_MIXNM_TRAINING>-MIXNMATCHTYPE_ID = 1.
</XLSO/S_MIXNM_TRAINING>-ELEM_TYPE = 1.
</XLSO/S_MIXNM_TRAINING>-ELEM_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/XLSO/S_MIXNM_TRAINING-ELEM_SHORT, sy-vline,
  WA_/XLSO/S_MIXNM_TRAINING-ELEM_STEXT, sy-vline,
  WA_/XLSO/S_MIXNM_TRAINING-ELEM_TFORM, sy-vline,
  WA_/XLSO/S_MIXNM_TRAINING-ELEM_TFTEXT, sy-vline,
  WA_/XLSO/S_MIXNM_TRAINING-MARK, sy-vline,
  WA_/XLSO/S_MIXNM_TRAINING-PLVAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/XLSO/S_MIXNM_TRAINING 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_/XLSO/S_MIXNM_TRAINING 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_/XLSO/S_MIXNM_TRAINING INTO WA_/XLSO/S_MIXNM_TRAINING.


*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 ISOLA, internal->external for field EVLNG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/XLSO/S_MIXNM_TRAINING-EVLNG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XLSO/S_MIXNM_TRAINING-EVLNG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MAXBZGME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/XLSO/S_MIXNM_TRAINING-MAXBZGME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XLSO/S_MIXNM_TRAINING-MAXBZGME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MINBZGME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/XLSO/S_MIXNM_TRAINING-MINBZGME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XLSO/S_MIXNM_TRAINING-MINBZGME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field OPTBZGME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/XLSO/S_MIXNM_TRAINING-OPTBZGME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XLSO/S_MIXNM_TRAINING-OPTBZGME.
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_/XLSO/S_MIXNM_TRAINING_STR, 
PLANVERSION TYPE STRING,
MIXNMATCHTYPE TYPE STRING,
MIXNMATCHTYPE_ID TYPE STRING,
ELEM_TYPE TYPE STRING,
ELEM_ID TYPE STRING,
ELEM_SHORT TYPE STRING,
ELEM_STEXT TYPE STRING,
ELEM_TFORM TYPE STRING,
ELEM_TFTEXT TYPE STRING,
MARK TYPE STRING,
PLVAR TYPE STRING,
EOTYP TYPE STRING,
EVEID TYPE STRING,
EVTEX TYPE STRING,
ETEXT TYPE STRING,
EBEGD TYPE STRING,
EENDA TYPE STRING,
ETTYP TYPE STRING,
ETYID TYPE STRING,
EVLNG TYPE STRING,
KAPZ1 TYPE STRING,
KAPZ2 TYPE STRING,
KAPZ3 TYPE STRING,
FCONT TYPE STRING,
BCONT TYPE STRING,
WCONT TYPE STRING,
LOCID TYPE STRING,
EVLOC TYPE STRING,
TEILX TYPE STRING,
EVFIX TYPE STRING,
ISTAT TYPE STRING,
EVEXT TYPE STRING,
LOCKM TYPE STRING,
HISTO TYPE STRING,
DELET TYPE STRING,
FLUPX TYPE STRING,
NCONT TYPE STRING,
MCONT TYPE STRING,
ORGTY TYPE STRING,
ORGID TYPE STRING,
ORGSH TYPE STRING,
ORGTX TYPE STRING,
DURMAX TYPE STRING,
MAXBZGME TYPE STRING,
DURMIN TYPE STRING,
MINBZGME TYPE STRING,
DEALEND TYPE STRING,
DUROPT TYPE STRING,
OPTBZGME TYPE STRING,
BEGUZ TYPE STRING,
ENDUZ TYPE STRING,
ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/XLSO/S_MIXNM_TRAINING_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_/XLSO/S_MIXNM_TRAINING_STR-PLANVERSION sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-MIXNMATCHTYPE sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-MIXNMATCHTYPE_ID sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ELEM_TYPE sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ELEM_ID sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ELEM_SHORT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ELEM_STEXT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ELEM_TFORM sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ELEM_TFTEXT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-MARK sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-PLVAR sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EOTYP sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EVEID sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EVTEX sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ETEXT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EBEGD sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EENDA sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ETTYP sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ETYID sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EVLNG sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-KAPZ1 sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-KAPZ2 sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-KAPZ3 sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-FCONT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-BCONT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-WCONT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-LOCID sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EVLOC sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-TEILX sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EVFIX sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ISTAT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-EVEXT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-LOCKM sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-HISTO sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-DELET sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-FLUPX sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-NCONT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-MCONT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ORGTY sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ORGID sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ORGSH sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ORGTX sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-DURMAX sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-MAXBZGME sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-DURMIN sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-MINBZGME sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-DEALEND sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-DUROPT sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-OPTBZGME sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-BEGUZ sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ENDUZ sy-vline 
WA_/XLSO/S_MIXNM_TRAINING_STR-ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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