关于abap:使用-SQLScript-实现-AMDP-过程

CLASS zcl_demo_001_amdp DEFINITION PUBLIC FINAL CREATE PUBLIC.  PUBLIC SECTION.    INTERFACES: if_amdp_marker_hdb.    METHODS: get_spfli_details EXPORTING VALUE(et_spfli) TYPE spfli_tab.    METHODS: get_spfli_details_amdp IMPORTING VALUE(iv_mandt) TYPE mandt                                    EXPORTING VALUE(et_spfli) TYPE spfli_tab.  PROTECTED SECTION.  PRIVATE SECTION.ENDCLASS.CLASS zcl_demo_001_amdp IMPLEMENTATION.  METHOD get_spfli_details.    SELECT * FROM spfli INTO TABLE et_spfli.  ENDMETHOD.  METHOD get_spfli_details_amdp BY DATABASE PROCEDURE FOR HDB LANGUAGE SQLSCRIPT OPTIONS READ-ONLY USING spfli.    et_spfli = SELECT * FROM spfli WHERE mandt = :iv_mandt;  ENDMETHOD.ENDCLASS.

REPORT ztest_amdp.CLASS lcl_test_amdp DEFINITION.  PUBLIC SECTION.    CLASS-METHODS: run.ENDCLASS.CLASS lcl_test_amdp IMPLEMENTATION.  METHOD run.* Normal Method call    NEW zcl_demo_001_amdp( )->get_spfli_details( IMPORTING et_spfli = DATA(lt_spfli) ).* AMDP Method call    TRY.        IF cl_abap_dbfeatures=>use_features( requested_features = VALUE #( ( cl_abap_dbfeatures=>call_amdp_method ) ) ) = abap_true.          NEW zcl_demo_001_amdp( )->get_spfli_details_amdp( EXPORTING iv_mandt = sy-mandt                                                            IMPORTING et_spfli = DATA(lt_spfli_amdp) ).          BREAK-POINT.        ENDIF.      CATCH cx_abap_invalid_param_value.    ENDTRY.  ENDMETHOD.ENDCLASS.START-OF-SELECTION.  lcl_test_amdp=>run( ).