ABAP Select data from SAP table /ISDFPS/ST_LM_FLIGHT_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/ST_LM_FLIGHT_DETAIL
*  INTO TABLE @DATA(IT_/ISDFPS/ST_LM_FLIGHT_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_/ISDFPS/ST_LM_FLIGHT_DETAIL INDEX 1 INTO DATA(WA_/ISDFPS/ST_LM_FLIGHT_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/ST_LM_FLIGHT_DETAIL>-SITE_ID = 1.
</ISDFPS/ST_LM_FLIGHT_DETAIL>-EQUNR = 1.
</ISDFPS/ST_LM_FLIGHT_DETAIL>-AUFNR = 1.
</ISDFPS/ST_LM_FLIGHT_DETAIL>-ORDER_SHORTTEXT = 1.
</ISDFPS/ST_LM_FLIGHT_DETAIL>-ARM_SETUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-MODEL_ID, sy-vline,
  WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-NUM_PERSONS, sy-vline,
  WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-KRYPTOSTATUS, sy-vline,
  WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-LANDING_LOC, sy-vline,
  WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-CALL_SIGN, sy-vline,
  WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-TIME_OVER_TARGET, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/ST_LM_FLIGHT_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_/ISDFPS/ST_LM_FLIGHT_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_/ISDFPS/ST_LM_FLIGHT_DETAIL INTO WA_/ISDFPS/ST_LM_FLIGHT_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.

*Conversion exit ALPHA, internal->external for field EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field ORDER_TYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-ORDER_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ST_LM_FLIGHT_DETAIL-ORDER_TYPE.
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_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR, 
SITE_ID TYPE STRING,
EQUNR TYPE STRING,
AUFNR TYPE STRING,
ORDER_SHORTTEXT TYPE STRING,
ARM_SETUP TYPE STRING,
MODEL_ID TYPE STRING,
NUM_PERSONS TYPE STRING,
KRYPTOSTATUS TYPE STRING,
LANDING_LOC TYPE STRING,
CALL_SIGN TYPE STRING,
TIME_OVER_TARGET TYPE STRING,
TARGET_LOC TYPE STRING,
ZULU_TNZONE TYPE STRING,
START_TNZONE TYPE STRING,
START_DATE TYPE STRING,
LANDING_TNZONE TYPE STRING,
LANDING_DATE TYPE STRING,
F_OBJNR TYPE STRING,
OPERATION_ID TYPE STRING,
OPERATION_CNT TYPE STRING,
FORCE_ID TYPE STRING,
FORCE_DESCR TYPE STRING,
MISSION TYPE STRING,
EXTERNAL_ID TYPE STRING,
LATEST_TAKE_OFF TYPE STRING,
LAUNCHING_PAD TYPE STRING,
VARIANCE TYPE STRING,
REASON_VARIANCE TYPE STRING,
VARIANCE_TEXT TYPE STRING,
REASON_VARIANCE_TEXT TYPE STRING,
FLIGHT_STATUS TYPE STRING,
FLAG TYPE STRING,
FLIGHT_LEG_ICON TYPE STRING,
ORDER_TYPE TYPE STRING,
MPLANT TYPE STRING,
WORK_CENTER TYPE STRING,
PLANT TYPE STRING,
SYSTEM_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/ST_LM_FLIGHT_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_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-SITE_ID sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-EQUNR sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-AUFNR sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-ORDER_SHORTTEXT sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-ARM_SETUP sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-MODEL_ID sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-NUM_PERSONS sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-KRYPTOSTATUS sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-LANDING_LOC sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-CALL_SIGN sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-TIME_OVER_TARGET sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-TARGET_LOC sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-ZULU_TNZONE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-START_TNZONE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-START_DATE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-LANDING_TNZONE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-LANDING_DATE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-F_OBJNR sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-OPERATION_ID sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-OPERATION_CNT sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-FORCE_ID sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-FORCE_DESCR sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-MISSION sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-EXTERNAL_ID sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-LATEST_TAKE_OFF sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-LAUNCHING_PAD sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-VARIANCE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-REASON_VARIANCE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-VARIANCE_TEXT sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-REASON_VARIANCE_TEXT sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-FLIGHT_STATUS sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-FLAG sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-FLIGHT_LEG_ICON sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-ORDER_TYPE sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-MPLANT sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-WORK_CENTER sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-PLANT sy-vline 
WA_/ISDFPS/ST_LM_FLIGHT_DETAIL_STR-SYSTEM_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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