ABAP Select data from SAP table OMSAVESTAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OMSAVESTAT
*  INTO TABLE @DATA(IT_OMSAVESTAT2).
*--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_OMSAVESTAT INDEX 1 INTO DATA(WA_OMSAVESTAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OMSAVESTAT>-FSENDCLASS = 1.
<OMSAVESTAT>-FEVENT = 1.
<OMSAVESTAT>-FMAINOBJ = 1.
<OMSAVESTAT>-PLVAR = 1.
<OMSAVESTAT>-OTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OMSAVESTAT-OBJID, sy-vline,
  WA_OMSAVESTAT-BEGDA, sy-vline,
  WA_OMSAVESTAT-ENDDA, sy-vline,
  WA_OMSAVESTAT-ISTAT, sy-vline,
  WA_OMSAVESTAT-HISTO, sy-vline,
  WA_OMSAVESTAT-SHORT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OMSAVESTAT 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_OMSAVESTAT 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_OMSAVESTAT INTO WA_OMSAVESTAT.


*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_OMSAVESTAT_STR, 
FSENDCLASS TYPE STRING,
FEVENT TYPE STRING,
FMAINOBJ TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
HISTO TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
REALO TYPE STRING,
FRELATOBJ TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
HISTO TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
REALO TYPE STRING,
FTABTYPE TYPE STRING,
SSENDCLASS TYPE STRING,
SEVENT TYPE STRING,
SMAINOBJ TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
HISTO TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
REALO TYPE STRING,
SRELATOBJ TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
HISTO TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
REALO TYPE STRING,
STABTYPE TYPE STRING,
LOCATOR TYPE STRING,
FOLDOUT TYPE STRING,
SELECTION TYPE STRING,
PTIME TYPE STRING,
PTIMEUNIT TYPE STRING,
FTIME TYPE STRING,
FTIMEUNIT TYPE STRING,
LEXTENSION TYPE STRING,
STHEIGHT TYPE STRING,
FFIXENDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OMSAVESTAT_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_OMSAVESTAT_STR-FSENDCLASS sy-vline 
WA_OMSAVESTAT_STR-FEVENT sy-vline 
WA_OMSAVESTAT_STR-FMAINOBJ sy-vline 
WA_OMSAVESTAT_STR-PLVAR sy-vline 
WA_OMSAVESTAT_STR-OTYPE sy-vline 
WA_OMSAVESTAT_STR-OBJID sy-vline 
WA_OMSAVESTAT_STR-BEGDA sy-vline 
WA_OMSAVESTAT_STR-ENDDA sy-vline 
WA_OMSAVESTAT_STR-ISTAT sy-vline 
WA_OMSAVESTAT_STR-HISTO sy-vline 
WA_OMSAVESTAT_STR-SHORT sy-vline 
WA_OMSAVESTAT_STR-STEXT sy-vline 
WA_OMSAVESTAT_STR-REALO sy-vline 
WA_OMSAVESTAT_STR-FRELATOBJ sy-vline 
WA_OMSAVESTAT_STR-PLVAR sy-vline 
WA_OMSAVESTAT_STR-OTYPE sy-vline 
WA_OMSAVESTAT_STR-OBJID sy-vline 
WA_OMSAVESTAT_STR-BEGDA sy-vline 
WA_OMSAVESTAT_STR-ENDDA sy-vline 
WA_OMSAVESTAT_STR-ISTAT sy-vline 
WA_OMSAVESTAT_STR-HISTO sy-vline 
WA_OMSAVESTAT_STR-SHORT sy-vline 
WA_OMSAVESTAT_STR-STEXT sy-vline 
WA_OMSAVESTAT_STR-REALO sy-vline 
WA_OMSAVESTAT_STR-FTABTYPE sy-vline 
WA_OMSAVESTAT_STR-SSENDCLASS sy-vline 
WA_OMSAVESTAT_STR-SEVENT sy-vline 
WA_OMSAVESTAT_STR-SMAINOBJ sy-vline 
WA_OMSAVESTAT_STR-PLVAR sy-vline 
WA_OMSAVESTAT_STR-OTYPE sy-vline 
WA_OMSAVESTAT_STR-OBJID sy-vline 
WA_OMSAVESTAT_STR-BEGDA sy-vline 
WA_OMSAVESTAT_STR-ENDDA sy-vline 
WA_OMSAVESTAT_STR-ISTAT sy-vline 
WA_OMSAVESTAT_STR-HISTO sy-vline 
WA_OMSAVESTAT_STR-SHORT sy-vline 
WA_OMSAVESTAT_STR-STEXT sy-vline 
WA_OMSAVESTAT_STR-REALO sy-vline 
WA_OMSAVESTAT_STR-SRELATOBJ sy-vline 
WA_OMSAVESTAT_STR-PLVAR sy-vline 
WA_OMSAVESTAT_STR-OTYPE sy-vline 
WA_OMSAVESTAT_STR-OBJID sy-vline 
WA_OMSAVESTAT_STR-BEGDA sy-vline 
WA_OMSAVESTAT_STR-ENDDA sy-vline 
WA_OMSAVESTAT_STR-ISTAT sy-vline 
WA_OMSAVESTAT_STR-HISTO sy-vline 
WA_OMSAVESTAT_STR-SHORT sy-vline 
WA_OMSAVESTAT_STR-STEXT sy-vline 
WA_OMSAVESTAT_STR-REALO sy-vline 
WA_OMSAVESTAT_STR-STABTYPE sy-vline 
WA_OMSAVESTAT_STR-LOCATOR sy-vline 
WA_OMSAVESTAT_STR-FOLDOUT sy-vline 
WA_OMSAVESTAT_STR-SELECTION sy-vline 
WA_OMSAVESTAT_STR-PTIME sy-vline 
WA_OMSAVESTAT_STR-PTIMEUNIT sy-vline 
WA_OMSAVESTAT_STR-FTIME sy-vline 
WA_OMSAVESTAT_STR-FTIMEUNIT sy-vline 
WA_OMSAVESTAT_STR-LEXTENSION sy-vline 
WA_OMSAVESTAT_STR-STHEIGHT sy-vline 
WA_OMSAVESTAT_STR-FFIXENDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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