ABAP Select data from SAP table FPB_S_LINE_DATA_EXT_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FPB_S_LINE_DATA_EXT_DETAIL
*  INTO TABLE @DATA(IT_FPB_S_LINE_DATA_EXT_DETAIL2).
*--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_FPB_S_LINE_DATA_EXT_DETAIL INDEX 1 INTO DATA(WA_FPB_S_LINE_DATA_EXT_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FPB_S_LINE_DATA_EXT_DETAIL>-RULEID = 1.
<FPB_S_LINE_DATA_EXT_DETAIL>-OBJECT = 1.
<FPB_S_LINE_DATA_EXT_DETAIL>-OBJECT_IS_GROUP = 1.
<FPB_S_LINE_DATA_EXT_DETAIL>-OBJECT_KEY = 1.
<FPB_S_LINE_DATA_EXT_DETAIL>-OBJECT_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FPB_S_LINE_DATA_EXT_DETAIL-VAL, sy-vline,
  WA_FPB_S_LINE_DATA_EXT_DETAIL-WAERS, sy-vline,
  WA_FPB_S_LINE_DATA_EXT_DETAIL-KOKRS, sy-vline,
  WA_FPB_S_LINE_DATA_EXT_DETAIL-ITEMKEY, sy-vline,
  WA_FPB_S_LINE_DATA_EXT_DETAIL-ITEMTXT, sy-vline,
  WA_FPB_S_LINE_DATA_EXT_DETAIL-ITEMDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FPB_S_LINE_DATA_EXT_DETAIL 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_FPB_S_LINE_DATA_EXT_DETAIL 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_FPB_S_LINE_DATA_EXT_DETAIL INTO WA_FPB_S_LINE_DATA_EXT_DETAIL.


*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_FPB_S_LINE_DATA_EXT_DETAIL_STR, 
RULEID TYPE STRING,
OBJECT TYPE STRING,
OBJECT_IS_GROUP TYPE STRING,
OBJECT_KEY TYPE STRING,
OBJECT_TEXT TYPE STRING,
VAL TYPE STRING,
WAERS TYPE STRING,
KOKRS TYPE STRING,
ITEMKEY TYPE STRING,
ITEMTXT TYPE STRING,
ITEMDAT TYPE STRING,
CONFIRMED TYPE STRING,
ACTIONTAKEN TYPE STRING,
REMOVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FPB_S_LINE_DATA_EXT_DETAIL_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_FPB_S_LINE_DATA_EXT_DETAIL_STR-RULEID sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-OBJECT sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-OBJECT_IS_GROUP sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-OBJECT_KEY sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-OBJECT_TEXT sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-VAL sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-WAERS sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-KOKRS sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-ITEMKEY sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-ITEMTXT sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-ITEMDAT sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-CONFIRMED sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-ACTIONTAKEN sy-vline 
WA_FPB_S_LINE_DATA_EXT_DETAIL_STR-REMOVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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