Add ability to create extenion from unpackaged.

diff --git a/sql/plproxy--unpackaged--2.3.0.sql b/sql/plproxy--unpackaged--2.3.0.sql
new file mode 100644 (file)
index 0000000..d4e11f1
--- /dev/null
+++ b/sql/plproxy--unpackaged--2.3.0.sql
@@ -0,0 +1,5 @@
+ALTER EXTENSION plproxy ADD FUNCTION plproxy_call_handler();
+ALTER EXTENSION plproxy ADD LANGUAGE plproxy;
+ALTER EXTENSION plproxy ADD FUNCTION plproxy_fdw_validator(text[], oid);
+ALTER EXTENSION plproxy ADD FOREIGN DATA WRAPPER plproxy;
+