ABAP Select data from SAP table /PF1/V_FCT_CUST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/V_FCT_CUST 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 /PF1/V_FCT_CUST. 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 /PF1/V_FCT_CUST 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_/PF1/V_FCT_CUST TYPE STANDARD TABLE OF /PF1/V_FCT_CUST,
      WA_/PF1/V_FCT_CUST TYPE /PF1/V_FCT_CUST,
      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: </PF1/V_FCT_CUST> TYPE /PF1/V_FCT_CUST.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/V_FCT_CUST.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/V_FCT_CUST
  INTO TABLE IT_/PF1/V_FCT_CUST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/V_FCT_CUST
*  INTO TABLE @DATA(IT_/PF1/V_FCT_CUST2).
*--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_/PF1/V_FCT_CUST INDEX 1 INTO DATA(WA_/PF1/V_FCT_CUST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/V_FCT_CUST ASSIGNING </PF1/V_FCT_CUST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/V_FCT_CUST>-FCT_TYPE = 1.
</PF1/V_FCT_CUST>-FIELD_GROUP = 1.
</PF1/V_FCT_CUST>-OBJECT_CATEGORY = 1.
</PF1/V_FCT_CUST>-OBJECT_FIELDNAME = 1.
</PF1/V_FCT_CUST>-FLG_MANDATORY = 1.

ENDLOOP.

LOOP AT IT_/PF1/V_FCT_CUST INTO WA_/PF1/V_FCT_CUST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/V_FCT_CUST-FLG_DEFAULT, sy-vline,
  WA_/PF1/V_FCT_CUST-FLG_VALIDATION, sy-vline,
  WA_/PF1/V_FCT_CUST-DDIC_STRUCTURE, sy-vline,
  WA_/PF1/V_FCT_CUST-DDIC_FIELDNAME, sy-vline,
  WA_/PF1/V_FCT_CUST-PRTYPE, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/V_FCT_CUST 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_/PF1/V_FCT_CUST 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_/PF1/V_FCT_CUST INTO WA_/PF1/V_FCT_CUST.


*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_/PF1/V_FCT_CUST_STR, 
FCT_TYPE TYPE STRING,
FIELD_GROUP TYPE STRING,
OBJECT_CATEGORY TYPE STRING,
OBJECT_FIELDNAME TYPE STRING,
FLG_MANDATORY TYPE STRING,
FLG_DEFAULT TYPE STRING,
FLG_VALIDATION TYPE STRING,
DDIC_STRUCTURE TYPE STRING,
DDIC_FIELDNAME TYPE STRING,
PRTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/V_FCT_CUST_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_/PF1/V_FCT_CUST_STR-FCT_TYPE sy-vline 
WA_/PF1/V_FCT_CUST_STR-FIELD_GROUP sy-vline 
WA_/PF1/V_FCT_CUST_STR-OBJECT_CATEGORY sy-vline 
WA_/PF1/V_FCT_CUST_STR-OBJECT_FIELDNAME sy-vline 
WA_/PF1/V_FCT_CUST_STR-FLG_MANDATORY sy-vline 
WA_/PF1/V_FCT_CUST_STR-FLG_DEFAULT sy-vline 
WA_/PF1/V_FCT_CUST_STR-FLG_VALIDATION sy-vline 
WA_/PF1/V_FCT_CUST_STR-DDIC_STRUCTURE sy-vline 
WA_/PF1/V_FCT_CUST_STR-DDIC_FIELDNAME sy-vline 
WA_/PF1/V_FCT_CUST_STR-PRTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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