diff --git a/oslo/db/sqlalchemy/session.py b/oslo/db/sqlalchemy/session.py
index 758ca19..c7ef0f2 100644
--- a/oslo/db/sqlalchemy/session.py
+++ b/oslo/db/sqlalchemy/session.py
@@ -328,12 +328,20 @@ class SqliteForeignKeysListener(PoolListener):
 # N columns - (IntegrityError) duplicate key value violates unique
 #               constraint "name_of_our_constraint"
 #
-# mysql:
+# mysql+mysqldb:
 # 1 column - (IntegrityError) (1062, "Duplicate entry 'value_of_c1' for key
 #               'c1'")
 # N columns - (IntegrityError) (1062, "Duplicate entry 'values joined
 #               with -' for key 'name_of_our_constraint'")
 #
+# mysql+mysqlconnector:
+#  http://docs.sqlalchemy.org/en/rel_0_9/dialects/
+#  mysql.html#module-sqlalchemy.dialects.mysql.mysqlconnector
+# 1 column - (IntegrityError) 1062 (23000): Duplicate entry 'value_of_c1' for
+#               key 'c1'
+# N columns - (IntegrityError) 1062 (23000): Duplicate entry 'values
+#               joined with -' for key 'name_of_our_constraint'
+#
 # ibm_db_sa:
 # N columns - (IntegrityError) SQL0803N  One or more values in the INSERT
 #                statement, UPDATE statement, or foreign key update caused by a
@@ -344,8 +352,9 @@ class SqliteForeignKeysListener(PoolListener):
 _DUP_KEY_RE_DB = {
     "sqlite": (re.compile(r"^.*columns?([^)]+)(is|are)\s+not\s+unique$"),
                re.compile(r"^.*UNIQUE\s+constraint\s+failed:\s+(.+)$")),
-    "postgresql": (re.compile(r"^.*duplicate\s+key.*\"([^\"]+)\"\s*\n.*$"),),
-    "mysql": (re.compile(r"^.*\(1062,.*'([^\']+)'\"\)$"),),
+    "postgresql": (re.compile(r'^.*duplicate\s+key.*"([^"]+)"\s*\n.*$'),),
+    "mysql": (re.compile(
+        r"^.*\b1062\b.*Duplicate entry '[^']+' for key '([^']+)'.*$"),),
     "ibm_db_sa": (re.compile(r"^.*SQL0803N.*$"),),
 }
 
diff --git a/tests/sqlalchemy/test_utils.py b/tests/sqlalchemy/test_utils.py
index a24a83a..effa884 100644
--- a/tests/sqlalchemy/test_utils.py
+++ b/tests/sqlalchemy/test_utils.py
@@ -719,13 +719,20 @@ class TestRaiseDuplicateEntryError(test_base.BaseTestCase):
             '(IntegrityError) UNIQUE constraint failed: tbl.a, tbl.b'
         )
 
-    def test_mysql(self):
+    def test_mysql_mysqldb(self):
         self._test_impl(
             'mysql',
             '(IntegrityError) (1062, "Duplicate entry '
             '\'2-3\' for key \'uniq_tbl0a0b\'")'
         )
 
+    def test_mysql_mysqlconnector(self):
+        self._test_impl(
+            'mysql',
+            '(IntegrityError) 1062 (23000): Duplicate entry '
+            '\'2-3\' for key \'uniq_tbl0a0b\'',
+        )
+
     def test_postgresql(self):
         self._test_impl(
             'postgresql',