perf: add sharetable queryall default behavior(all share data) (#1537)

lualib/skynet/sharetable.lua

@@ -92,13 +92,27 @@ local function sharetable_service()
 		skynet.ret(skynet.pack(ptr))
 	end
 
-    function sharetable.queryall(source, filenamelist)
+	local function querylist(source, filenamelist)
-        local ptrList = {}
+		local ptrList = {}
         for _, filename in ipairs(filenamelist) do
             if files[filename] then
                 ptrList[filename] = query_file(source, filename)
             end
         end
+		return ptrList
+	end
+
+	local function queryall(source)
+		local ptrList = {}
+		for filename in pairs(files) do
+			ptrList[filename] = query_file(source, filename)
+		end
+		return ptrList
+	end
+
+    function sharetable.queryall(source, filenamelist)
+		local queryFunc = filenamelist and querylist or queryall
+		local ptrList = queryFunc(source, filenamelist)
         skynet.ret(skynet.pack(ptrList))
     end
 

test/testsharetable.lua

@@ -4,12 +4,21 @@ local sharetable = require "skynet.sharetable"
 local function queryall_test()
 	sharetable.loadtable("test_one", {["message"] = "hello one", x = 1, 1})
 	sharetable.loadtable("test_two", {["message"] = "hello two", x = 2, 2})
+	sharetable.loadtable("test_three", {["message"] = "hello three", x = 3, 3})
 	local list = sharetable.queryall({"test_one", "test_two"})
 	for filename, tbl in pairs(list) do
 		for k, v in pairs(tbl) do
 			print(filename, k, v)
 		end
 	end
+
+	print("test queryall default")
+	local defaultlist = sharetable.queryall()
+	for filename, tbl in pairs(defaultlist) do
+		for k, v in pairs(tbl) do
+			print(filename, k, v)
+		end
+	end
 end
 
 skynet.start(function()