关于abap:使用-SQLScript-实现-AMDP-过程

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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().

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