ABAP Select data from SAP table V_COSSP_A into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_COSSP_A
*  INTO TABLE @DATA(IT_V_COSSP_A2).
*--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_V_COSSP_A INDEX 1 INTO DATA(WA_V_COSSP_A2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_COSSP_A>-MANDT = 1.
<V_COSSP_A>-LEDNR = 1.
<V_COSSP_A>-OBJNR = 1.
<V_COSSP_A>-GJAHR = 1.
<V_COSSP_A>-WRTTP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_COSSP_A-TRGKZ, sy-vline,
  WA_V_COSSP_A-VERSN, sy-vline,
  WA_V_COSSP_A-KSTAR, sy-vline,
  WA_V_COSSP_A-HRKFT, sy-vline,
  WA_V_COSSP_A-VRGNG, sy-vline,
  WA_V_COSSP_A-PAROB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_COSSP_A 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_V_COSSP_A 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_V_COSSP_A INTO WA_V_COSSP_A.


*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 ALPHA, internal->external for field LEDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_COSSP_A-LEDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_COSSP_A-LEDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_COSSP_A-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_COSSP_A-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WRTTP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_COSSP_A-WRTTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_COSSP_A-WRTTP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_COSSP_A-VERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_COSSP_A-VERSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_COSSP_A-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_COSSP_A-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_V_COSSP_A-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_COSSP_A-BEKNZ.
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_V_COSSP_A_STR, 
MANDT TYPE STRING,
LEDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
TRGKZ TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
PAROB TYPE STRING,
USPOB TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
PERBL TYPE STRING,
WTG001 TYPE STRING,
WTG002 TYPE STRING,
WTG003 TYPE STRING,
WTG004 TYPE STRING,
WTG005 TYPE STRING,
WTG006 TYPE STRING,
WTG007 TYPE STRING,
WTG008 TYPE STRING,
WTG009 TYPE STRING,
WTG010 TYPE STRING,
WTG011 TYPE STRING,
WTG012 TYPE STRING,
WTG013 TYPE STRING,
WTG014 TYPE STRING,
WTG015 TYPE STRING,
WTG016 TYPE STRING,
WOG001 TYPE STRING,
WOG002 TYPE STRING,
WOG003 TYPE STRING,
WOG004 TYPE STRING,
WOG005 TYPE STRING,
WOG006 TYPE STRING,
WOG007 TYPE STRING,
WOG008 TYPE STRING,
WOG009 TYPE STRING,
WOG010 TYPE STRING,
WOG011 TYPE STRING,
WOG012 TYPE STRING,
WOG013 TYPE STRING,
WOG014 TYPE STRING,
WOG015 TYPE STRING,
WOG016 TYPE STRING,
WKG001 TYPE STRING,
WKG002 TYPE STRING,
WKG003 TYPE STRING,
WKG004 TYPE STRING,
WKG005 TYPE STRING,
WKG006 TYPE STRING,
WKG007 TYPE STRING,
WKG008 TYPE STRING,
WKG009 TYPE STRING,
WKG010 TYPE STRING,
WKG011 TYPE STRING,
WKG012 TYPE STRING,
WKG013 TYPE STRING,
WKG014 TYPE STRING,
WKG015 TYPE STRING,
WKG016 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_COSSP_A_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_V_COSSP_A_STR-MANDT sy-vline 
WA_V_COSSP_A_STR-LEDNR sy-vline 
WA_V_COSSP_A_STR-OBJNR sy-vline 
WA_V_COSSP_A_STR-GJAHR sy-vline 
WA_V_COSSP_A_STR-WRTTP sy-vline 
WA_V_COSSP_A_STR-TRGKZ sy-vline 
WA_V_COSSP_A_STR-VERSN sy-vline 
WA_V_COSSP_A_STR-KSTAR sy-vline 
WA_V_COSSP_A_STR-HRKFT sy-vline 
WA_V_COSSP_A_STR-VRGNG sy-vline 
WA_V_COSSP_A_STR-PAROB sy-vline 
WA_V_COSSP_A_STR-USPOB sy-vline 
WA_V_COSSP_A_STR-BEKNZ sy-vline 
WA_V_COSSP_A_STR-TWAER sy-vline 
WA_V_COSSP_A_STR-PERBL sy-vline 
WA_V_COSSP_A_STR-WTG001 sy-vline 
WA_V_COSSP_A_STR-WTG002 sy-vline 
WA_V_COSSP_A_STR-WTG003 sy-vline 
WA_V_COSSP_A_STR-WTG004 sy-vline 
WA_V_COSSP_A_STR-WTG005 sy-vline 
WA_V_COSSP_A_STR-WTG006 sy-vline 
WA_V_COSSP_A_STR-WTG007 sy-vline 
WA_V_COSSP_A_STR-WTG008 sy-vline 
WA_V_COSSP_A_STR-WTG009 sy-vline 
WA_V_COSSP_A_STR-WTG010 sy-vline 
WA_V_COSSP_A_STR-WTG011 sy-vline 
WA_V_COSSP_A_STR-WTG012 sy-vline 
WA_V_COSSP_A_STR-WTG013 sy-vline 
WA_V_COSSP_A_STR-WTG014 sy-vline 
WA_V_COSSP_A_STR-WTG015 sy-vline 
WA_V_COSSP_A_STR-WTG016 sy-vline 
WA_V_COSSP_A_STR-WOG001 sy-vline 
WA_V_COSSP_A_STR-WOG002 sy-vline 
WA_V_COSSP_A_STR-WOG003 sy-vline 
WA_V_COSSP_A_STR-WOG004 sy-vline 
WA_V_COSSP_A_STR-WOG005 sy-vline 
WA_V_COSSP_A_STR-WOG006 sy-vline 
WA_V_COSSP_A_STR-WOG007 sy-vline 
WA_V_COSSP_A_STR-WOG008 sy-vline 
WA_V_COSSP_A_STR-WOG009 sy-vline 
WA_V_COSSP_A_STR-WOG010 sy-vline 
WA_V_COSSP_A_STR-WOG011 sy-vline 
WA_V_COSSP_A_STR-WOG012 sy-vline 
WA_V_COSSP_A_STR-WOG013 sy-vline 
WA_V_COSSP_A_STR-WOG014 sy-vline 
WA_V_COSSP_A_STR-WOG015 sy-vline 
WA_V_COSSP_A_STR-WOG016 sy-vline 
WA_V_COSSP_A_STR-WKG001 sy-vline 
WA_V_COSSP_A_STR-WKG002 sy-vline 
WA_V_COSSP_A_STR-WKG003 sy-vline 
WA_V_COSSP_A_STR-WKG004 sy-vline 
WA_V_COSSP_A_STR-WKG005 sy-vline 
WA_V_COSSP_A_STR-WKG006 sy-vline 
WA_V_COSSP_A_STR-WKG007 sy-vline 
WA_V_COSSP_A_STR-WKG008 sy-vline 
WA_V_COSSP_A_STR-WKG009 sy-vline 
WA_V_COSSP_A_STR-WKG010 sy-vline 
WA_V_COSSP_A_STR-WKG011 sy-vline 
WA_V_COSSP_A_STR-WKG012 sy-vline 
WA_V_COSSP_A_STR-WKG013 sy-vline 
WA_V_COSSP_A_STR-WKG014 sy-vline 
WA_V_COSSP_A_STR-WKG015 sy-vline 
WA_V_COSSP_A_STR-WKG016 sy-vline      INTO ld_text SEPARATED BY SPACE.

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