From ab2f3305e1a14c63ed25a7f6ef0d9ae2b6187c48 Mon Sep 17 00:00:00 2001
From: Nathan VanBenschoten <nvanbenschoten@gmail.com>
Date: Fri, 13 May 2016 17:46:24 -0400
Subject: [PATCH] Ignore InvalidCatalogName errors for pg_catalog queries

---
 src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 7b86f4ea..8c2d2fbd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -421,6 +421,8 @@ impl InnerConnection {
             Err(Error::Io(e)) => return Err(ConnectError::Io(e)),
             // Old versions of Postgres and things like Redshift don't support enums
             Err(Error::Db(ref e)) if e.code == SqlState::UndefinedTable => {}
+            // Some Postgres compliant databases are missing a pg_catalog
+            Err(Error::Db(ref e)) if e.code == SqlState::InvalidCatalogName => return Ok(()),
             Err(Error::Db(e)) => return Err(ConnectError::Db(e)),
             Err(Error::Conversion(_)) => unreachable!(),
         }