riak second index 组合键

 

 

(ejabberd@meta)51> ejabberd_riak:set_with_index(<<"test1">>, "a", "A", [{<<"author_reship_bin">>, list_to_binary("lang_a")}]).     

ok

(ejabberd@meta)52> ejabberd_riak:list_keys(<<"test1">>).                                                                          

["a"]

(ejabberd@meta)53> ejabberd_riak:set_with_index(<<"test1">>, "b", "B", [{<<"author_reship_bin">>, list_to_binary("lang_b")}]).

ok

(ejabberd@meta)54> ejabberd_riak:set_with_index(<<"test1">>, "c", "C", [{<<"author_reship_bin">>, list_to_binary("lang_c")}]).

["b","a","c"]

(ejabberd@meta)59> ejabberd_riak:list_keys(<<"test1">>).

["c","b","a"]

(ejabberd@meta)60>

(ejabberd@meta)61> f(Pid), {ok, Pid} = riakc_pb_socket:start_link("127.0.0.1", 8087).                                             

{ok,<0.747.0>}

(ejabberd@meta)62>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"lang_a">>, <<"lang_b">>).            

{ok,[<<131,107,0,1,98>>,<<131,107,0,1,97>>]}

(ejabberd@meta)63> 

(ejabberd@meta)63>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"lang_a">>, <<"lang_c">>). 

{ok,[<<131,107,0,1,98>>,

     <<131,107,0,1,97>>,

     <<131,107,0,1,99>>]}

(ejabberd@meta)64> 

(ejabberd@meta)68> ejabberd_riak:set_with_index(<<"test1">>, "a", "A", [{<<"author_reship_bin">>, list_to_binary("langxw_langzhe")}]).

ok

(ejabberd@meta)69> ejabberd_riak:set_with_index(<<"test1">>, "b", "B", [{<<"author_reship_bin">>, list_to_binary("langxw_langxw")}]).  

ok

(ejabberd@meta)70> ejabberd_riak:set_with_index(<<"test1">>, "c", "C", [{<<"author_reship_bin">>, list_to_binary("langxw_langxw")}]).

ok

(ejabberd@meta)71>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"lang_c">>).                      

{ok,[]}

(ejabberd@meta)72> 

(ejabberd@meta)72>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"langxw_">>).  

{ok,[]}

(ejabberd@meta)73> 

(ejabberd@meta)73>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"langxw_langxw">>). 

{ok,[<<131,107,0,1,99>>,<<131,107,0,1,98>>]}

(ejabberd@meta)74> 

(ejabberd@meta)74>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"langxw_langzhe">>). 

{ok,[<<131,107,0,1,97>>,

     <<131,107,0,1,98>>,

     <<131,107,0,1,99>>]}

(ejabberd@meta)75> 

(ejabberd@meta)75>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"langzhe">>, <<"langxw_langzhe">>). 

{ok,[<<131,107,0,1,97>>]}

(ejabberd@meta)76> 

(ejabberd@meta)76>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"langzhe">>, <<"langxw">>).         

{ok,[<<131,107,0,1,97>>,

     <<131,107,0,1,98>>,

     <<131,107,0,1,99>>]}

(ejabberd@meta)77> 

(ejabberd@meta)77>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"lang">>, <<"langxw">>).    

{ok,[]}

(ejabberd@meta)78> 

(ejabberd@meta)78>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"lang">>, <<"lang">>).   

{ok,[]}

(ejabberd@meta)79> 

(ejabberd@meta)79>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"langzhe">>, <<"langxw">>). 

{ok,[<<131,107,0,1,98>>,

     <<131,107,0,1,99>>,

     <<131,107,0,1,97>>]}

(ejabberd@meta)80> 

(ejabberd@meta)80>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"langzhe">>, <<"langzhe">>). 

{ok,[]}

(ejabberd@meta)81> 

(ejabberd@meta)81>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"langzhe">>).        

{ok,[<<131,107,0,1,99>>,

     <<131,107,0,1,97>>,

     <<131,107,0,1,98>>]}

(ejabberd@meta)82> 

(ejabberd@meta)82>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"">>).        

{ok,[]}

(ejabberd@meta)83> 

(ejabberd@meta)83>  riakc_pb_socket:get_index(Pid, <<"test1">>, <<"author_reship_bin">>,  <<"">>, <<"langzhe">>). 

{ok,[<<131,107,0,1,99>>,

     <<131,107,0,1,97>>,

     <<131,107,0,1,98>>]}