ABAP Select data from SAP table FTPS_FLIGHT_LF_OPTIONS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FTPS_FLIGHT_LF_OPTIONS 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_FLIGHT_LF_OPTIONS. 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_FLIGHT_LF_OPTIONS 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_FLIGHT_LF_OPTIONS TYPE STANDARD TABLE OF FTPS_FLIGHT_LF_OPTIONS,
      WA_FTPS_FLIGHT_LF_OPTIONS TYPE FTPS_FLIGHT_LF_OPTIONS,
      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_FLIGHT_LF_OPTIONS> TYPE FTPS_FLIGHT_LF_OPTIONS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTPS_FLIGHT_LF_OPTIONS
*  INTO TABLE @DATA(IT_FTPS_FLIGHT_LF_OPTIONS2).
*--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_FLIGHT_LF_OPTIONS INDEX 1 INTO DATA(WA_FTPS_FLIGHT_LF_OPTIONS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTPS_FLIGHT_LF_OPTIONS>-SHOW_OPTIONS = 1.
<FTPS_FLIGHT_LF_OPTIONS>-G_FAR = 1.
<FTPS_FLIGHT_LF_OPTIONS>-R_ALL_FARES = 1.
<FTPS_FLIGHT_LF_OPTIONS>-R_PUBLIC = 1.
<FTPS_FLIGHT_LF_OPTIONS>-R_NEGO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTPS_FLIGHT_LF_OPTIONS-R_PRIVATE, sy-vline,
  WA_FTPS_FLIGHT_LF_OPTIONS-G_CAB, sy-vline,
  WA_FTPS_FLIGHT_LF_OPTIONS-R_ALL_CABIN, sy-vline,
  WA_FTPS_FLIGHT_LF_OPTIONS-G_FIRST, sy-vline,
  WA_FTPS_FLIGHT_LF_OPTIONS-R_FIRST, sy-vline,
  WA_FTPS_FLIGHT_LF_OPTIONS-G_BUSI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTPS_FLIGHT_LF_OPTIONS 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_FLIGHT_LF_OPTIONS 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_FLIGHT_LF_OPTIONS INTO WA_FTPS_FLIGHT_LF_OPTIONS.


*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_FLIGHT_LF_OPTIONS_STR, 
SHOW_OPTIONS TYPE STRING,
G_FAR TYPE STRING,
R_ALL_FARES TYPE STRING,
R_PUBLIC TYPE STRING,
R_NEGO TYPE STRING,
R_PRIVATE TYPE STRING,
G_CAB TYPE STRING,
R_ALL_CABIN TYPE STRING,
G_FIRST TYPE STRING,
R_FIRST TYPE STRING,
G_BUSI TYPE STRING,
R_BUSINESS TYPE STRING,
G_ECO TYPE STRING,
R_ECONOMY TYPE STRING,
G_OPT TYPE STRING,
R_RESTRICTED TYPE STRING,
R_UNRESTRICTED TYPE STRING,
R_REFUND TYPE STRING,
G_FLT TYPE STRING,
R_ALL_FLIGHTS TYPE STRING,
R_DIRECT TYPE STRING,
R_NON_STOP TYPE STRING,
G_NOP TYPE STRING,
G_PRE TYPE STRING,
SCR_PREFCXR1 TYPE STRING,
SCR_PREFCXR2 TYPE STRING,
SCR_PREFCXR3 TYPE STRING,
G_EXC TYPE STRING,
SCR_EXCLCXR1 TYPE STRING,
SCR_EXCLCXR2 TYPE STRING,
SCR_EXCLCXR3 TYPE STRING,
SCR_TIMEWINDOW TYPE STRING,
G_PNR TYPE STRING,
SCR_ALTERDATE TYPE STRING,
R_PLUS TYPE STRING,
R_MINUS TYPE STRING,
SCR_AMOUNT TYPE STRING,
SCR_CURRENCY TYPE STRING,
SCR_PRICETOBEAT TYPE STRING,
G_CRCY TYPE STRING,
G_NEGO TYPE STRING,
G_EXIT TYPE STRING,
G_UNDO TYPE STRING,
L_EXIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTPS_FLIGHT_LF_OPTIONS_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_FLIGHT_LF_OPTIONS_STR-SHOW_OPTIONS sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_FAR sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_ALL_FARES sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_PUBLIC sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_NEGO sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_PRIVATE sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_CAB sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_ALL_CABIN sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_FIRST sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_FIRST sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_BUSI sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_BUSINESS sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_ECO sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_ECONOMY sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_OPT sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_RESTRICTED sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_UNRESTRICTED sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_REFUND sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_FLT sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_ALL_FLIGHTS sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_DIRECT sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_NON_STOP sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_NOP sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_PRE sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_PREFCXR1 sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_PREFCXR2 sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_PREFCXR3 sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_EXC sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_EXCLCXR1 sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_EXCLCXR2 sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_EXCLCXR3 sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_TIMEWINDOW sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_PNR sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_ALTERDATE sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_PLUS sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-R_MINUS sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_AMOUNT sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_CURRENCY sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-SCR_PRICETOBEAT sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_CRCY sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_NEGO sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_EXIT sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-G_UNDO sy-vline 
WA_FTPS_FLIGHT_LF_OPTIONS_STR-L_EXIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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