From 77a6c827bf5556cfbc84b624ac2439f72a358e74 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 10 Mar 2015 16:14:21 -0400
Subject: [PATCH] - an adjustment to the logic for #282 - if the index we see
 here *is* in conn_indexes_by_name, then obviously we should leave it in.

---
 alembic/ddl/postgresql.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/alembic/ddl/postgresql.py b/alembic/ddl/postgresql.py
index 10026876..9f97b345 100644
--- a/alembic/ddl/postgresql.py
+++ b/alembic/ddl/postgresql.py
@@ -105,6 +105,8 @@ class PostgresqlImpl(DefaultImpl):
             conn_indexes.remove(ix)
 
         for idx in list(metadata_indexes):
+            if idx.name in conn_indexes_by_name:
+                continue
             if compat.sqla_08:
                 exprs = idx.expressions
             else:
-- 
2.47.2