ABAP Select data from SAP table T5CPV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5CPV 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 T5CPV. 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 T5CPV 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_T5CPV TYPE STANDARD TABLE OF T5CPV,
      WA_T5CPV TYPE T5CPV,
      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: <T5CPV> TYPE T5CPV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5CPV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5CPV
  INTO TABLE IT_T5CPV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5CPV
*  INTO TABLE @DATA(IT_T5CPV2).
*--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_T5CPV INDEX 1 INTO DATA(WA_T5CPV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5CPV ASSIGNING <T5CPV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5CPV>-MANDT = 1.
<T5CPV>-KASSE = 1.
<T5CPV>-PKFKT = 1.
<T5CPV>-SELRP = 1.
<T5CPV>-SELTA = 1.

ENDLOOP.

LOOP AT IT_T5CPV INTO WA_T5CPV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5CPV-SELPB, sy-vline,
  WA_T5CPV-PKFRP, sy-vline,
  WA_T5CPV-PKFRV, sy-vline,
  WA_T5CPV-PKFPR, sy-vline,
  WA_T5CPV-PKFTA, sy-vline,
  WA_T5CPV-PKFTV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5CPV 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_T5CPV 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_T5CPV INTO WA_T5CPV.


*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_T5CPV_STR, 
MANDT TYPE STRING,
KASSE TYPE STRING,
PKFKT TYPE STRING,
SELRP TYPE STRING,
SELTA TYPE STRING,
SELPB TYPE STRING,
PKFRP TYPE STRING,
PKFRV TYPE STRING,
PKFPR TYPE STRING,
PKFTA TYPE STRING,
PKFTV TYPE STRING,
PKFCA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5CPV_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_T5CPV_STR-MANDT sy-vline 
WA_T5CPV_STR-KASSE sy-vline 
WA_T5CPV_STR-PKFKT sy-vline 
WA_T5CPV_STR-SELRP sy-vline 
WA_T5CPV_STR-SELTA sy-vline 
WA_T5CPV_STR-SELPB sy-vline 
WA_T5CPV_STR-PKFRP sy-vline 
WA_T5CPV_STR-PKFRV sy-vline 
WA_T5CPV_STR-PKFPR sy-vline 
WA_T5CPV_STR-PKFTA sy-vline 
WA_T5CPV_STR-PKFTV sy-vline 
WA_T5CPV_STR-PKFCA sy-vline      INTO ld_text SEPARATED BY SPACE.

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