Feotov Daniil 10 лет назад
Родитель
Сommit
b06eeb50fb
2 измененных файлов с 8 добавлено и 172 удалено
  1. 8 0
      src/epgsql_binary.erl
  2. 0 172
      src/pgsql_binary.erl

+ 8 - 0
src/epgsql_binary.erl

@@ -66,6 +66,7 @@ encode({array, char}, L, Codec) when is_list(L) -> encode_array(bpchar, type2oid
 encode({array, Type}, L, Codec) when is_list(L) -> encode_array(Type, type2oid(Type, Codec), L, Codec);
 encode(hstore, {L}, _) when is_list(L)      -> encode_hstore(L);
 encode(point, {X,Y}, _)                     -> encode_point({X,Y});
+encode(geometry, Data)                      -> encode_geometry(Data);
 encode(Type, L, Codec) when is_list(L)      -> encode(Type, list_to_binary(L), Codec);
 encode(_Type, _Value, _)                    -> {error, unsupported}.
 
@@ -88,6 +89,7 @@ decode(uuid, B, _)                             -> decode_uuid(B);
 decode(hstore, Hstore, _)                      -> decode_hstore(Hstore);
 decode({array, _Type}, B, Codec)               -> decode_array(B, Codec);
 decode(point, B, _)                            -> decode_point(B);
+decode(geometry, B)                            -> ewkb:decode_geometry(B);
 decode(_Other, Bin, _)                         -> Bin.
 
 encode_array(Type, Oid, A, Codec) ->
@@ -190,6 +192,12 @@ encode_point({X, Y}) when is_number(X), is_number(Y) ->
 decode_point(<<X:1/big-float-unit:64, Y:1/big-float-unit:64>>) ->
     {X, Y}.
 
+encode_geometry(Data) ->
+    Bin = ewkb:encode_geometry(Data),
+    Size = byte_size(Bin),
+    <<Size:?int32, Bin/binary>>.
+
+supports(geometry) -> true;
 supports(point)   -> true;
 supports(bool)    -> true;
 supports(bpchar)  -> true;

+ 0 - 172
src/pgsql_binary.erl

@@ -1,172 +0,0 @@
-%%% Copyright (C) 2008 - Will Glozer.  All rights reserved.
-
--module(pgsql_binary).
-
--export([encode/2, decode/2, supports/1]).
-
--include("pgsql_binary.hrl").
-
--define(datetime, (get(datetime_mod))).
-
-encode(_Any, null)                          -> <<-1:?int32>>;
-encode(bool, true)                          -> <<1:?int32, 1:1/big-signed-unit:8>>;
-encode(bool, false)                         -> <<1:?int32, 0:1/big-signed-unit:8>>;
-encode(int2, N)                             -> <<2:?int32, N:1/big-signed-unit:16>>;
-encode(int4, N)                             -> <<4:?int32, N:1/big-signed-unit:32>>;
-encode(int8, N)                             -> <<8:?int32, N:1/big-signed-unit:64>>;
-encode(float4, N)                           -> <<4:?int32, N:1/big-float-unit:32>>;
-encode(float8, N)                           -> <<8:?int32, N:1/big-float-unit:64>>;
-encode(bpchar, C) when is_integer(C)        -> <<1:?int32, C:1/big-unsigned-unit:8>>;
-encode(bpchar, B) when is_binary(B)         -> <<(byte_size(B)):?int32, B/binary>>;
-encode(time = Type, B)                      -> ?datetime:encode(Type, B);
-encode(timetz = Type, B)                    -> ?datetime:encode(Type, B);
-encode(date = Type, B)                      -> ?datetime:encode(Type, B);
-encode(timestamp = Type, B)                 -> ?datetime:encode(Type, B);
-encode(timestamptz = Type, B)               -> ?datetime:encode(Type, B);
-encode(interval = Type, B)                  -> ?datetime:encode(Type, B);
-encode(bytea, B) when is_binary(B)          -> <<(byte_size(B)):?int32, B/binary>>;
-encode(text, B) when is_binary(B)           -> <<(byte_size(B)):?int32, B/binary>>;
-encode(varchar, B) when is_binary(B)        -> <<(byte_size(B)):?int32, B/binary>>;
-encode(uuid, B) when is_binary(B)           -> encode_uuid(B);
-encode({array, char}, L) when is_list(L)    -> encode_array(bpchar, L);
-encode({array, Type}, L) when is_list(L)    -> encode_array(Type, L);
-encode(point, {X,Y})                        -> encode_point({X,Y});
-encode(geometry, Data)                      -> encode_geometry(Data);
-encode(Type, L) when is_list(L)             -> encode(Type, list_to_binary(L));
-encode(_Type, _Value)                       -> {error, unsupported}.
-
-decode(bool, <<1:1/big-signed-unit:8>>)     -> true;
-decode(bool, <<0:1/big-signed-unit:8>>)     -> false;
-decode(bpchar, <<C:1/big-unsigned-unit:8>>) -> C;
-decode(int2, <<N:1/big-signed-unit:16>>)    -> N;
-decode(int4, <<N:1/big-signed-unit:32>>)    -> N;
-decode(int8, <<N:1/big-signed-unit:64>>)    -> N;
-decode(float4, <<N:1/big-float-unit:32>>)   -> N;
-decode(float8, <<N:1/big-float-unit:64>>)   -> N;
-decode(record, <<_:?int32, Rest/binary>>)   -> list_to_tuple(decode_record(Rest, []));
-decode(time = Type, B)                      -> ?datetime:decode(Type, B);
-decode(timetz = Type, B)                    -> ?datetime:decode(Type, B);
-decode(date = Type, B)                      -> ?datetime:decode(Type, B);
-decode(timestamp = Type, B)                 -> ?datetime:decode(Type, B);
-decode(timestamptz = Type, B)               -> ?datetime:decode(Type, B);
-decode(interval = Type, B)                  -> ?datetime:decode(Type, B);
-decode(uuid, B)                             -> decode_uuid(B);
-decode({array, _Type}, B)                   -> decode_array(B);
-decode(point, B)                            -> decode_point(B);
-decode(geometry, B)                         -> ewkb:decode_geometry(B);
-decode(_Other, Bin)                         -> Bin.
-
-encode_array(Type, A) ->
-    {Data, {NDims, Lengths}} = encode_array(Type, A, 0, []),
-    Oid  = pgsql_types:type2oid(Type),
-    Lens = [<<N:?int32, 1:?int32>> || N <- lists:reverse(Lengths)],
-    Hdr  = <<NDims:?int32, 0:?int32, Oid:?int32>>,
-    Bin  = iolist_to_binary([Hdr, Lens, Data]),
-    <<(byte_size(Bin)):?int32, Bin/binary>>.
-
-encode_array(_Type, [], NDims, Lengths) ->
-    {<<>>, {NDims, Lengths}};
-encode_array(Type, [H | _] = Array, NDims, Lengths) when not is_list(H) ->
-    F = fun(E, Len) -> {encode(Type, E), Len + 1} end,
-    {Data, Len} = lists:mapfoldl(F, 0, Array),
-    {Data, {NDims + 1, [Len | Lengths]}};
-encode_array(uuid, [_H | _] = Array, NDims, Lengths) ->
-    F = fun(E, Len) -> {encode(uuid, E), Len + 1} end,
-    {Data, Len} = lists:mapfoldl(F, 0, Array),
-    {Data, {NDims + 1, [Len | Lengths]}};
-encode_array(Type, Array, NDims, Lengths) ->
-    Lengths2 = [length(Array) | Lengths],
-    F = fun(A2, {_NDims, _Lengths}) -> encode_array(Type, A2, NDims, Lengths2) end,
-    {Data, {NDims2, Lengths3}} = lists:mapfoldl(F, {NDims, Lengths2}, Array),
-    {Data, {NDims2 + 1, Lengths3}}.
-
-encode_uuid(U) when is_binary(U) ->
-    encode_uuid(binary_to_list(U));
-encode_uuid(U) ->
-    Hex = [H || H <- U, H =/= $-],
-    {ok, [Int], _} = io_lib:fread("~16u", Hex),
-    <<16:?int32,Int:128>>.
-
-decode_array(<<NDims:?int32, _HasNull:?int32, Oid:?int32, Rest/binary>>) ->
-    {Dims, Data} = erlang:split_binary(Rest, NDims * 2 * 4),
-    Lengths = [Len || <<Len:?int32, _LBound:?int32>> <= Dims],
-    Type = pgsql_types:oid2type(Oid),
-    {Array, <<>>} = decode_array(Data, Type, Lengths),
-    Array.
-
-decode_array(Data, _Type, [])  ->
-    {[], Data};
-decode_array(Data, Type, [Len]) ->
-    decode_elements(Data, Type, [], Len);
-decode_array(Data, Type, [Len | T]) ->
-    F = fun(_N, Rest) -> decode_array(Rest, Type, T) end,
-    lists:mapfoldl(F, Data, lists:seq(1, Len)).
-
-decode_elements(Rest, _Type, Acc, 0) ->
-    {lists:reverse(Acc), Rest};
-decode_elements(<<-1:?int32, Rest/binary>>, Type, Acc, N) ->
-    decode_elements(Rest, Type, [null | Acc], N - 1);
-decode_elements(<<Len:?int32, Value:Len/binary, Rest/binary>>, Type, Acc, N) ->
-    Value2 = decode(Type, Value),
-    decode_elements(Rest, Type, [Value2 | Acc], N - 1).
-
-decode_record(<<>>, Acc) ->
-    lists:reverse(Acc);
-decode_record(<<_Type:?int32, -1:?int32, Rest/binary>>, Acc) ->
-    decode_record(Rest, [null | Acc]);
-decode_record(<<Type:?int32, Len:?int32, Value:Len/binary, Rest/binary>>, Acc) ->
-    Value2 = decode(pgsql_types:oid2type(Type), Value),
-    decode_record(Rest, [Value2 | Acc]).
-
-decode_uuid(<<U0:32, U1:16, U2:16, U3:16, U4:48>>) ->
-    Format = "~8.16.0b-~4.16.0b-~4.16.0b-~4.16.0b-~12.16.0b",
-    iolist_to_binary(io_lib:format(Format, [U0, U1, U2, U3, U4])).
-
-encode_point({X, Y}) when is_number(X), is_number(Y) ->
-    <<X:1/big-float-unit:64, Y:1/big-float-unit:64>>.
-
-decode_point(<<X:1/big-float-unit:64, Y:1/big-float-unit:64>>) ->
-    {X, Y}.
-
-encode_geometry(Data) ->
-    Bin = ewkb:encode_geometry(Data),
-    Size = byte_size(Bin),
-    <<Size:?int32, Bin/binary>>.
-
-supports(geometry) -> true;
-supports(point)    -> true;
-supports(bool)     -> true;
-supports(bpchar)   -> true;
-supports(int2)     -> true;
-supports(int4)     -> true;
-supports(int8)     -> true;
-supports(float4)   -> true;
-supports(float8)   -> true;
-supports(bytea)    -> true;
-supports(text)     -> true;
-supports(varchar)  -> true;
-supports(record)   -> true;
-supports(date)     -> true;
-supports(time)     -> true;
-supports(timetz)   -> true;
-supports(timestamp)   -> true;
-supports(timestamptz) -> true;
-supports(interval)    -> true;
-supports(uuid)        -> true;
-supports({array, bool})   -> true;
-supports({array, int2})   -> true;
-supports({array, int4})   -> true;
-supports({array, int8})   -> true;
-supports({array, float4}) -> true;
-supports({array, float8}) -> true;
-supports({array, char})   -> true;
-supports({array, text})   -> true;
-supports({array, date})   -> true;
-supports({array, time})   -> true;
-supports({array, timetz}) -> true;
-supports({array, timestamp})     -> true;
-supports({array, timestamptz})   -> true;
-supports({array, interval})      -> true;
-supports({array, varchar}) -> true;
-supports({array, uuid})   -> true;
-supports(_Type)       -> false.