ABAP Select data from SAP table PCFT_BSP_EXAMPLE_BOOK_DET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCFT_BSP_EXAMPLE_BOOK_DET
*  INTO TABLE @DATA(IT_PCFT_BSP_EXAMPLE_BOOK_DET2).
*--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_PCFT_BSP_EXAMPLE_BOOK_DET INDEX 1 INTO DATA(WA_PCFT_BSP_EXAMPLE_BOOK_DET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCFT_BSP_EXAMPLE_BOOK_DET>-OBJECT_KEY = 1.
<PCFT_BSP_EXAMPLE_BOOK_DET>-TYPE = 1.
<PCFT_BSP_EXAMPLE_BOOK_DET>-MANDT = 1.
<PCFT_BSP_EXAMPLE_BOOK_DET>-CARRID = 1.
<PCFT_BSP_EXAMPLE_BOOK_DET>-CONNID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCFT_BSP_EXAMPLE_BOOK_DET-FLDATE, sy-vline,
  WA_PCFT_BSP_EXAMPLE_BOOK_DET-BOOKID, sy-vline,
  WA_PCFT_BSP_EXAMPLE_BOOK_DET-CUSTOMID, sy-vline,
  WA_PCFT_BSP_EXAMPLE_BOOK_DET-CUSTTYPE, sy-vline,
  WA_PCFT_BSP_EXAMPLE_BOOK_DET-SMOKER, sy-vline,
  WA_PCFT_BSP_EXAMPLE_BOOK_DET-LUGGWEIGHT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCFT_BSP_EXAMPLE_BOOK_DET 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_PCFT_BSP_EXAMPLE_BOOK_DET 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_PCFT_BSP_EXAMPLE_BOOK_DET INTO WA_PCFT_BSP_EXAMPLE_BOOK_DET.


*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 CUNIT, internal->external for field WUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PCFT_BSP_EXAMPLE_BOOK_DET-WUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCFT_BSP_EXAMPLE_BOOK_DET-WUNIT.
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_PCFT_BSP_EXAMPLE_BOOK_DET_STR, 
OBJECT_KEY TYPE STRING,
TYPE TYPE STRING,
MANDT TYPE STRING,
CARRID TYPE STRING,
CONNID TYPE STRING,
FLDATE TYPE STRING,
BOOKID TYPE STRING,
CUSTOMID TYPE STRING,
CUSTTYPE TYPE STRING,
SMOKER TYPE STRING,
LUGGWEIGHT TYPE STRING,
WUNIT TYPE STRING,
INVOICE TYPE STRING,
CLASS TYPE STRING,
FORCURAM TYPE STRING,
FORCURKEY TYPE STRING,
LOCCURAM TYPE STRING,
LOCCURKEY TYPE STRING,
ORDER_DATE TYPE STRING,
COUNTER TYPE STRING,
AGENCYNUM TYPE STRING,
CANCELLED TYPE STRING,
RESERVED TYPE STRING,
PASSNAME TYPE STRING,
PASSFORM TYPE STRING,
PASSBIRTH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCFT_BSP_EXAMPLE_BOOK_DET_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_PCFT_BSP_EXAMPLE_BOOK_DET_STR-OBJECT_KEY sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-TYPE sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-MANDT sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-CARRID sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-CONNID sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-FLDATE sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-BOOKID sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-CUSTOMID sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-CUSTTYPE sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-SMOKER sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-LUGGWEIGHT sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-WUNIT sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-INVOICE sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-CLASS sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-FORCURAM sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-FORCURKEY sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-LOCCURAM sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-LOCCURKEY sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-ORDER_DATE sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-COUNTER sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-AGENCYNUM sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-CANCELLED sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-RESERVED sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-PASSNAME sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-PASSFORM sy-vline 
WA_PCFT_BSP_EXAMPLE_BOOK_DET_STR-PASSBIRTH sy-vline      INTO ld_text SEPARATED BY SPACE.

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