ABAP Select data from SAP table ADFSH_VAIRPT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ADFSH_VAIRPT
*  INTO TABLE @DATA(IT_ADFSH_VAIRPT2).
*--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_ADFSH_VAIRPT INDEX 1 INTO DATA(WA_ADFSH_VAIRPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ADFSH_VAIRPT>-MANDT = 1.
<ADFSH_VAIRPT>-APTCD = 1.
<ADFSH_VAIRPT>-ADRNR = 1.
<ADFSH_VAIRPT>-NATIO = 1.
<ADFSH_VAIRPT>-LAT_COORD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ADFSH_VAIRPT-LON_COORD, sy-vline,
  WA_ADFSH_VAIRPT-LAT_COORD_DEG, sy-vline,
  WA_ADFSH_VAIRPT-LON_COORD_DEG, sy-vline,
  WA_ADFSH_VAIRPT-LAT_COORD_MIN, sy-vline,
  WA_ADFSH_VAIRPT-LON_COORD_MIN, sy-vline,
  WA_ADFSH_VAIRPT-LAT_COORD_SEC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ADFSH_VAIRPT 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_ADFSH_VAIRPT 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_ADFSH_VAIRPT INTO WA_ADFSH_VAIRPT.


*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 ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ADFSH_VAIRPT-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADFSH_VAIRPT-ADRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CHDOMTM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADFSH_VAIRPT-CHDOMTM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADFSH_VAIRPT-CHDOMTM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CHTRNTM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADFSH_VAIRPT-CHTRNTM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADFSH_VAIRPT-CHTRNTM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TRDOMTM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADFSH_VAIRPT-TRDOMTM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADFSH_VAIRPT-TRDOMTM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TRTRNTM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADFSH_VAIRPT-TRTRNTM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADFSH_VAIRPT-TRTRNTM.
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_ADFSH_VAIRPT_STR, 
MANDT TYPE STRING,
APTCD TYPE STRING,
ADRNR TYPE STRING,
NATIO TYPE STRING,
LAT_COORD TYPE STRING,
LON_COORD TYPE STRING,
LAT_COORD_DEG TYPE STRING,
LON_COORD_DEG TYPE STRING,
LAT_COORD_MIN TYPE STRING,
LON_COORD_MIN TYPE STRING,
LAT_COORD_SEC TYPE STRING,
LON_COORD_SEC TYPE STRING,
LAT_COORD_SIGN TYPE STRING,
LON_COORD_SIGN TYPE STRING,
OBLNK TYPE STRING,
CHDOM TYPE STRING,
CHDOMTM TYPE STRING,
CHTRN TYPE STRING,
CHTRNTM TYPE STRING,
TRDOM TYPE STRING,
TRDOMTM TYPE STRING,
TRTRN TYPE STRING,
TRTRNTM TYPE STRING,
DESCP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ADFSH_VAIRPT_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_ADFSH_VAIRPT_STR-MANDT sy-vline 
WA_ADFSH_VAIRPT_STR-APTCD sy-vline 
WA_ADFSH_VAIRPT_STR-ADRNR sy-vline 
WA_ADFSH_VAIRPT_STR-NATIO sy-vline 
WA_ADFSH_VAIRPT_STR-LAT_COORD sy-vline 
WA_ADFSH_VAIRPT_STR-LON_COORD sy-vline 
WA_ADFSH_VAIRPT_STR-LAT_COORD_DEG sy-vline 
WA_ADFSH_VAIRPT_STR-LON_COORD_DEG sy-vline 
WA_ADFSH_VAIRPT_STR-LAT_COORD_MIN sy-vline 
WA_ADFSH_VAIRPT_STR-LON_COORD_MIN sy-vline 
WA_ADFSH_VAIRPT_STR-LAT_COORD_SEC sy-vline 
WA_ADFSH_VAIRPT_STR-LON_COORD_SEC sy-vline 
WA_ADFSH_VAIRPT_STR-LAT_COORD_SIGN sy-vline 
WA_ADFSH_VAIRPT_STR-LON_COORD_SIGN sy-vline 
WA_ADFSH_VAIRPT_STR-OBLNK sy-vline 
WA_ADFSH_VAIRPT_STR-CHDOM sy-vline 
WA_ADFSH_VAIRPT_STR-CHDOMTM sy-vline 
WA_ADFSH_VAIRPT_STR-CHTRN sy-vline 
WA_ADFSH_VAIRPT_STR-CHTRNTM sy-vline 
WA_ADFSH_VAIRPT_STR-TRDOM sy-vline 
WA_ADFSH_VAIRPT_STR-TRDOMTM sy-vline 
WA_ADFSH_VAIRPT_STR-TRTRN sy-vline 
WA_ADFSH_VAIRPT_STR-TRTRNTM sy-vline 
WA_ADFSH_VAIRPT_STR-DESCP sy-vline      INTO ld_text SEPARATED BY SPACE.

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