<add> vldb demo materials

lushl9301 · lushl9301 · commit 777e8787274b · 2020-08-09T19:27:53.000+08:00
diff --git a/.gitmodules b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "externals/rapidjson"]
 	path = externals/rapidjson
 	url = https://github.com/Tencent/rapidjson.git
+[submodule "G3-Demo"]
+	path = G3-Demo
+	url = https://github.com/lushl9301/G3-Demo
diff --git a/G3-Demo b/G3-Demo
@@ -0,0 +1 @@
+Subproject commit a1234ab16fdedec45b5ccb629e99e8bfc45daedc
