ABAP Select data from SAP table FTPS_HRS_B_DETAIL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FTPS_HRS_B_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 FTPS_HRS_B_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 FTPS_HRS_B_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_FTPS_HRS_B_DETAIL TYPE STANDARD TABLE OF FTPS_HRS_B_DETAIL,
      WA_FTPS_HRS_B_DETAIL TYPE FTPS_HRS_B_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: <FTPS_HRS_B_DETAIL> TYPE FTPS_HRS_B_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTPS_HRS_B_DETAIL
*  INTO TABLE @DATA(IT_FTPS_HRS_B_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_FTPS_HRS_B_DETAIL INDEX 1 INTO DATA(WA_FTPS_HRS_B_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTPS_HRS_B_DETAIL>-BD_RATE_TO = 1.
<FTPS_HRS_B_DETAIL>-DAY = 1.
<FTPS_HRS_B_DETAIL>-YEAR = 1.
<FTPS_HRS_B_DETAIL>-MONTH = 1.
<FTPS_HRS_B_DETAIL>-BD_RATE_FROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTPS_HRS_B_DETAIL-DAY, sy-vline,
  WA_FTPS_HRS_B_DETAIL-YEAR, sy-vline,
  WA_FTPS_HRS_B_DETAIL-MONTH, sy-vline,
  WA_FTPS_HRS_B_DETAIL-BD_ROOMCOUNT, sy-vline,
  WA_FTPS_HRS_B_DETAIL-BD_BREAKFASTMODE, sy-vline,
  WA_FTPS_HRS_B_DETAIL-BD_RATE_PRICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTPS_HRS_B_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_FTPS_HRS_B_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_FTPS_HRS_B_DETAIL INTO WA_FTPS_HRS_B_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_FTPS_HRS_B_DETAIL_STR, 
BD_RATE_TO TYPE STRING,
DAY TYPE STRING,
YEAR TYPE STRING,
MONTH TYPE STRING,
BD_RATE_FROM TYPE STRING,
DAY TYPE STRING,
YEAR TYPE STRING,
MONTH TYPE STRING,
BD_ROOMCOUNT TYPE STRING,
BD_BREAKFASTMODE TYPE STRING,
BD_RATE_PRICE TYPE STRING,
CURRENCY TYPE STRING,
VALUE TYPE STRING,
NO_FRACTION TYPE STRING,
BD_BRKFST_PRICE TYPE STRING,
CURRENCY TYPE STRING,
VALUE TYPE STRING,
NO_FRACTION TYPE STRING,
BD_ROOM_ID TYPE STRING,
BD_RATE_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTPS_HRS_B_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_FTPS_HRS_B_DETAIL_STR-BD_RATE_TO sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-DAY sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-YEAR sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-MONTH sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_RATE_FROM sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-DAY sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-YEAR sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-MONTH sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_ROOMCOUNT sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_BREAKFASTMODE sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_RATE_PRICE sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-CURRENCY sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-VALUE sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-NO_FRACTION sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_BRKFST_PRICE sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-CURRENCY sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-VALUE sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-NO_FRACTION sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_ROOM_ID sy-vline 
WA_FTPS_HRS_B_DETAIL_STR-BD_RATE_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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