ABAP Select data from SAP table CVS_COVINF_NEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CVS_COVINF_NEW
*  INTO TABLE @DATA(IT_CVS_COVINF_NEW2).
*--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_CVS_COVINF_NEW INDEX 1 INTO DATA(WA_CVS_COVINF_NEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVS_COVINF_NEW>-PROZCNT1 = 1.
<CVS_COVINF_NEW>-PROZRBX1 = 1.
<CVS_COVINF_NEW>-PROZRST1 = 1.
<CVS_COVINF_NEW>-PROZCNT2 = 1.
<CVS_COVINF_NEW>-PROZRBX2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CVS_COVINF_NEW-PROZTSTD, sy-vline,
  WA_CVS_COVINF_NEW-PROZUNICOD, sy-vline,
  WA_CVS_COVINF_NEW-LED, sy-vline,
  WA_CVS_COVINF_NEW-TOTAL, sy-vline,
  WA_CVS_COVINF_NEW-EFF, sy-vline,
  WA_CVS_COVINF_NEW-PROZTSTD_ST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CVS_COVINF_NEW 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_CVS_COVINF_NEW 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_CVS_COVINF_NEW INTO WA_CVS_COVINF_NEW.


*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_CVS_COVINF_NEW_STR, 
PROZCNT1 TYPE STRING,
PROZRBX1 TYPE STRING,
PROZRST1 TYPE STRING,
PROZCNT2 TYPE STRING,
PROZRBX2 TYPE STRING,
PROZTSTD TYPE STRING,
PROZUNICOD TYPE STRING,
LED TYPE STRING,
TOTAL TYPE STRING,
EFF TYPE STRING,
PROZTSTD_ST TYPE STRING,
TOTAL_ST TYPE STRING,
PROZTSTD_BRCH TYPE STRING,
TOTAL_BRCH TYPE STRING,
PROZ_CNT_CUM_ST TYPE STRING,
PROZ_CNT_CUM_BR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CVS_COVINF_NEW_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_CVS_COVINF_NEW_STR-PROZCNT1 sy-vline 
WA_CVS_COVINF_NEW_STR-PROZRBX1 sy-vline 
WA_CVS_COVINF_NEW_STR-PROZRST1 sy-vline 
WA_CVS_COVINF_NEW_STR-PROZCNT2 sy-vline 
WA_CVS_COVINF_NEW_STR-PROZRBX2 sy-vline 
WA_CVS_COVINF_NEW_STR-PROZTSTD sy-vline 
WA_CVS_COVINF_NEW_STR-PROZUNICOD sy-vline 
WA_CVS_COVINF_NEW_STR-LED sy-vline 
WA_CVS_COVINF_NEW_STR-TOTAL sy-vline 
WA_CVS_COVINF_NEW_STR-EFF sy-vline 
WA_CVS_COVINF_NEW_STR-PROZTSTD_ST sy-vline 
WA_CVS_COVINF_NEW_STR-TOTAL_ST sy-vline 
WA_CVS_COVINF_NEW_STR-PROZTSTD_BRCH sy-vline 
WA_CVS_COVINF_NEW_STR-TOTAL_BRCH sy-vline 
WA_CVS_COVINF_NEW_STR-PROZ_CNT_CUM_ST sy-vline 
WA_CVS_COVINF_NEW_STR-PROZ_CNT_CUM_BR sy-vline      INTO ld_text SEPARATED BY SPACE.

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