ABAP Select data from SAP table SLS_SPAR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SLS_SPAR
*  INTO TABLE @DATA(IT_SLS_SPAR2).
*--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_SLS_SPAR INDEX 1 INTO DATA(WA_SLS_SPAR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SLS_SPAR>-MANDT = 1.
<SLS_SPAR>-PLVAR = 1.
<SLS_SPAR>-PATYP = 1.
<SLS_SPAR>-PARID = 1.
<SLS_SPAR>-PARSH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SLS_SPAR-PARTX, sy-vline,
  WA_SLS_SPAR-ORGTY, sy-vline,
  WA_SLS_SPAR-ORGID, sy-vline,
  WA_SLS_SPAR-ORGSH, sy-vline,
  WA_SLS_SPAR-ORGTX, sy-vline,
  WA_SLS_SPAR-KOSHT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SLS_SPAR 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_SLS_SPAR 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_SLS_SPAR INTO WA_SLS_SPAR.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_SLS_SPAR_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
PATYP TYPE STRING,
PARID TYPE STRING,
PARSH TYPE STRING,
PARTX TYPE STRING,
ORGTY TYPE STRING,
ORGID TYPE STRING,
ORGSH TYPE STRING,
ORGTX TYPE STRING,
KOSHT TYPE STRING,
KOSTX TYPE STRING,
TLIGHT TYPE STRING,
NBOOK TYPE STRING,
TTYID TYPE STRING,
CLASS TYPE STRING,
GUID TYPE STRING,
PCLASS TYPE STRING,
PGUID TYPE STRING,
VAR1 TYPE STRING,
VAR2 TYPE STRING,
VAR3 TYPE STRING,
VAR4 TYPE STRING,
TFORM TYPE STRING,
EVID TYPE STRING,
EGRID TYPE STRING,
ETYID TYPE STRING,
EVSHT TYPE STRING,
EVSTX TYPE STRING,
EVBEG TYPE STRING,
EVEND TYPE STRING,
LOCID TYPE STRING,
EVLOC TYPE STRING,
COEXPT TYPE STRING,
RESID TYPE STRING,
REFLAG TYPE STRING,
REFIRS TYPE STRING,
RELAST TYPE STRING,
POSTED TYPE STRING,
ERROR TYPE STRING,
DELET TYPE STRING,
IMPORT TYPE STRING,
UTIME TYPE STRING,
RFLAG TYPE STRING,
TDATE TYPE STRING,
STARTTIME TYPE STRING,
BIRTHDT TYPE STRING,
NO_TEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SLS_SPAR_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_SLS_SPAR_STR-MANDT sy-vline 
WA_SLS_SPAR_STR-PLVAR sy-vline 
WA_SLS_SPAR_STR-PATYP sy-vline 
WA_SLS_SPAR_STR-PARID sy-vline 
WA_SLS_SPAR_STR-PARSH sy-vline 
WA_SLS_SPAR_STR-PARTX sy-vline 
WA_SLS_SPAR_STR-ORGTY sy-vline 
WA_SLS_SPAR_STR-ORGID sy-vline 
WA_SLS_SPAR_STR-ORGSH sy-vline 
WA_SLS_SPAR_STR-ORGTX sy-vline 
WA_SLS_SPAR_STR-KOSHT sy-vline 
WA_SLS_SPAR_STR-KOSTX sy-vline 
WA_SLS_SPAR_STR-TLIGHT sy-vline 
WA_SLS_SPAR_STR-NBOOK sy-vline 
WA_SLS_SPAR_STR-TTYID sy-vline 
WA_SLS_SPAR_STR-CLASS sy-vline 
WA_SLS_SPAR_STR-GUID sy-vline 
WA_SLS_SPAR_STR-PCLASS sy-vline 
WA_SLS_SPAR_STR-PGUID sy-vline 
WA_SLS_SPAR_STR-VAR1 sy-vline 
WA_SLS_SPAR_STR-VAR2 sy-vline 
WA_SLS_SPAR_STR-VAR3 sy-vline 
WA_SLS_SPAR_STR-VAR4 sy-vline 
WA_SLS_SPAR_STR-TFORM sy-vline 
WA_SLS_SPAR_STR-EVID sy-vline 
WA_SLS_SPAR_STR-EGRID sy-vline 
WA_SLS_SPAR_STR-ETYID sy-vline 
WA_SLS_SPAR_STR-EVSHT sy-vline 
WA_SLS_SPAR_STR-EVSTX sy-vline 
WA_SLS_SPAR_STR-EVBEG sy-vline 
WA_SLS_SPAR_STR-EVEND sy-vline 
WA_SLS_SPAR_STR-LOCID sy-vline 
WA_SLS_SPAR_STR-EVLOC sy-vline 
WA_SLS_SPAR_STR-COEXPT sy-vline 
WA_SLS_SPAR_STR-RESID sy-vline 
WA_SLS_SPAR_STR-REFLAG sy-vline 
WA_SLS_SPAR_STR-REFIRS sy-vline 
WA_SLS_SPAR_STR-RELAST sy-vline 
WA_SLS_SPAR_STR-POSTED sy-vline 
WA_SLS_SPAR_STR-ERROR sy-vline 
WA_SLS_SPAR_STR-DELET sy-vline 
WA_SLS_SPAR_STR-IMPORT sy-vline 
WA_SLS_SPAR_STR-UTIME sy-vline 
WA_SLS_SPAR_STR-RFLAG sy-vline 
WA_SLS_SPAR_STR-TDATE sy-vline 
WA_SLS_SPAR_STR-STARTTIME sy-vline 
WA_SLS_SPAR_STR-BIRTHDT sy-vline 
WA_SLS_SPAR_STR-NO_TEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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