Merge pull request #883 from onesuper/odps-func-tldr

odps-func: add page

pages/common/odps-func.md

@@ -0,0 +1,19 @@
+# odps func
+
+> Manage functions in ODPS (Open Data Processing Service).
+
+- Show functions in the current project:
+
+`list functions;`
+
+- Create a Java function using a .jar resource:
+
+`create function {{func_name}} as {{path.to.package.Func}} using '{{package.jar}}';`
+
+- Create a Python function using a .py resource:
+
+`create function {{func_name}} as {{script.Func}} using '{{script.py}}';`
+
+- Delete a function:
+
+`drop function {{func_name}};`