ABAP Select data from SAP table TDS_HVSTAT_COMR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_HVSTAT_COMR
*  INTO TABLE @DATA(IT_TDS_HVSTAT_COMR2).
*--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_TDS_HVSTAT_COMR INDEX 1 INTO DATA(WA_TDS_HVSTAT_COMR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_HVSTAT_COMR>-HANDLE = 1.
<TDS_HVSTAT_COMR>-ABSTK_T = 1.
<TDS_HVSTAT_COMR>-BESTK_T = 1.
<TDS_HVSTAT_COMR>-BUCHK_T = 1.
<TDS_HVSTAT_COMR>-CMGST_T = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_HVSTAT_COMR-CMPS0_T, sy-vline,
  WA_TDS_HVSTAT_COMR-CMPS1_T, sy-vline,
  WA_TDS_HVSTAT_COMR-CMPS2_T, sy-vline,
  WA_TDS_HVSTAT_COMR-CMPSA_T, sy-vline,
  WA_TDS_HVSTAT_COMR-CMPSB_T, sy-vline,
  WA_TDS_HVSTAT_COMR-CMPSC_T, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_HVSTAT_COMR 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_TDS_HVSTAT_COMR 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_TDS_HVSTAT_COMR INTO WA_TDS_HVSTAT_COMR.


*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_TDS_HVSTAT_COMR_STR, 
HANDLE TYPE STRING,
ABSTK_T TYPE STRING,
BESTK_T TYPE STRING,
BUCHK_T TYPE STRING,
CMGST_T TYPE STRING,
CMPS0_T TYPE STRING,
CMPS1_T TYPE STRING,
CMPS2_T TYPE STRING,
CMPSA_T TYPE STRING,
CMPSB_T TYPE STRING,
CMPSC_T TYPE STRING,
CMPSD_T TYPE STRING,
CMPSE_T TYPE STRING,
CMPSF_T TYPE STRING,
CMPSG_T TYPE STRING,
CMPSH_T TYPE STRING,
CMPSI_T TYPE STRING,
CMPSJ_T TYPE STRING,
CMPSK_T TYPE STRING,
CMPSL_T TYPE STRING,
CMPSM_T TYPE STRING,
COSTA_T TYPE STRING,
DCSTK_T TYPE STRING,
FKIVK_T TYPE STRING,
FKSAK_T TYPE STRING,
FKSTK_T TYPE STRING,
FSSTK_T TYPE STRING,
GBSTK_T TYPE STRING,
KOQUK_T TYPE STRING,
KOSTK_T TYPE STRING,
LFGSK_T TYPE STRING,
LFSTK_T TYPE STRING,
LSSTK_T TYPE STRING,
LVSTK_T TYPE STRING,
PDSTK_T TYPE STRING,
PKSTK_T TYPE STRING,
RFGSK_T TYPE STRING,
RFSTK_T TYPE STRING,
SPSTG_T TYPE STRING,
TRSTA_T TYPE STRING,
UVALL_T TYPE STRING,
UVALS_T TYPE STRING,
UVFAK_T TYPE STRING,
UVFAS_T TYPE STRING,
UVVLK_T TYPE STRING,
UVVLS_T TYPE STRING,
WBSTK_T TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_HVSTAT_COMR_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_TDS_HVSTAT_COMR_STR-HANDLE sy-vline 
WA_TDS_HVSTAT_COMR_STR-ABSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-BESTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-BUCHK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMGST_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPS0_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPS1_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPS2_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSA_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSB_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSC_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSD_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSE_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSF_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSG_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSH_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSI_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSJ_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSL_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-CMPSM_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-COSTA_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-DCSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-FKIVK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-FKSAK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-FKSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-FSSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-GBSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-KOQUK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-KOSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-LFGSK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-LFSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-LSSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-LVSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-PDSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-PKSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-RFGSK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-RFSTK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-SPSTG_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-TRSTA_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-UVALL_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-UVALS_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-UVFAK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-UVFAS_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-UVVLK_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-UVVLS_T sy-vline 
WA_TDS_HVSTAT_COMR_STR-WBSTK_T sy-vline      INTO ld_text SEPARATED BY SPACE.

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