From: Lele Gaifax <lele@metapensiero.it>
Date: Wed, 9 Nov 2022 07:54:12 +0000 (+0100)
Subject: Add short code path for trivial comparison case
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ee8f448bfa054a3a18ce166854a6517dbe1f0a1;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Add short code path for trivial comparison case
---

diff --git a/lib/sqlalchemy/dialects/postgresql/ranges.py b/lib/sqlalchemy/dialects/postgresql/ranges.py
index c35b6d89d4..5706487e4d 100644
--- a/lib/sqlalchemy/dialects/postgresql/ranges.py
+++ b/lib/sqlalchemy/dialects/postgresql/ranges.py
@@ -166,6 +166,10 @@ class Range(Generic[_T]):
         elif value2 is None:
             return 1 if value2_is_lower_bound else -1
 
+        # Short path for trivial case
+        if bound1 == bound2 and value1 == value2:
+            return 0
+
         value1_inc = bound1 in {"[", "]"}
         value2_inc = bound2 in {"[", "]"}
         step = self._get_discrete_step()