NikBereziuk

DATA: lt_fields TYPE ddfields.

lt_fields = CAST cl_abap_structdescr( cl_abap_typedescr=>describe_by_name( 'SFLIGHT' ) )->get_ddic_fields( ).

NikBereziuk

* Goal: find the maximum value among all "some_value" fields in itab "lt_itab".

DATA lv_maximum_value = abap_bool.

lv_maximum_value = REDUCE #( INIT max = value #( )
                             FOR entry in lt_itab
                             NEXT max = COND #( WHEN entry-some_value > max
                                                THEN entry-some_value
                                                ELSE max ) ).

NikBereziuk

    DATA: lv_json_final      TYPE string,
          lv_json_file_entry TYPE string,
          lv_json_component  TYPE string.

    DATA: lo_type_def    TYPE REF TO cl_abap_typedescr.
    DATA: lo_struct_def  TYPE REF TO cl_abap_structdescr.
    DATA: lo_table_def   TYPE REF TO cl_abap_tabledescr.
    DATA: lo_data_def    TYPE REF TO cl_abap_datadescr.
    DATA: lo_element_def TYPE REF TO cl_abap_elemdescr.
    DATA: lt_components  TYPE abap_compdescr_tab.

NikBereziuk

* This is a nice and quick way for uploading the content of a multi-sheet Excel file.

CLASS lcl_main DEFINITION.

  PUBLIC SECTION.

    TYPES: tt_spreadsheet_by_sheetname TYPE STANDARD TABLE OF if_mass_spreadsheet_types=>s_spreadsheet_by_sheetname WITH DEFAULT KEY.

    CLASS-METHODS: get_data_from_excel.

NikBereziuk

* SALV IDA is great for displaying contents of database tables. Here I had a request to display content of a database table
* (like in se16n) with restrictions that users apply on selection screen.

" method declaration:
    METHODS:
      process_display
        IMPORTING
          it_lifnr TYPE lif_types~tt_lifnr_range
          it_xblnr TYPE lif_types~tt_xblnr_range
          it_lblni TYPE lif_types~tt_lblni_range.

NikBereziuk

     DATA:
      lo_salv    TYPE REF TO cl_salv_table, "ALV object
      lo_columns TYPE REF TO cl_salv_columns. "columns of ALV object

    INCLUDE <color>. "user-friendly color names

    TRY.
        cl_salv_table=>factory(
          IMPORTING
            r_salv_table = lo_salv