3 files changed, 14 insertions, 6 deletions
diff --git a/lib/sqlalchemy/dialects/oracle/base.py b/lib/sqlalchemy/dialects/oracle/base.py
index 1cc8b7aef..a496f0354 100644
--- a/lib/sqlalchemy/dialects/oracle/base.py
+++ b/lib/sqlalchemy/dialects/oracle/base.py
@@ -1731,7 +1731,7 @@ class OracleDialect(default.DefaultDialect):
                 sql.text(
                     "SELECT username FROM user_db_links " "WHERE db_link=:link"
                 ),
-                link=dblink,
+                dict(link=dblink),
             )
             dblink = "@" + dblink
         elif not owner:
@@ -1805,7 +1805,7 @@ class OracleDialect(default.DefaultDialect):
                 "SELECT sequence_name FROM all_sequences "
                 "WHERE sequence_owner = :schema_name"
             ),
-            schema_name=self.denormalize_name(schema),
+            dict(schema_name=self.denormalize_name(schema)),
         )
         return [self.normalize_name(row[0]) for row in cursor]
 
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index 735990a20..7a898cb8a 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -3335,7 +3335,11 @@ class PGDialect(default.DefaultDialect):
                 "WHERE n.nspname = :schema AND c.relkind IN (%s)"
                 % (", ".join("'%s'" % elem for elem in kinds))
             ).columns(relname=sqltypes.Unicode),
-            schema=schema if schema is not None else self.default_schema_name,
+            dict(
+                schema=schema
+                if schema is not None
+                else self.default_schema_name
+            ),
         )
         return [name for name, in result]
 
@@ -3367,8 +3371,12 @@ class PGDialect(default.DefaultDialect):
                 "WHERE n.nspname = :schema AND c.relname = :view_name "
                 "AND c.relkind IN ('v', 'm')"
             ).columns(view_def=sqltypes.Unicode),
-            schema=schema if schema is not None else self.default_schema_name,
-            view_name=view_name,
+            dict(
+                schema=schema
+                if schema is not None
+                else self.default_schema_name,
+                view_name=view_name,
+            ),
         )
         return view_def
 
diff --git a/lib/sqlalchemy/dialects/postgresql/provision.py b/lib/sqlalchemy/dialects/postgresql/provision.py
index 70c390800..9196337ba 100644
--- a/lib/sqlalchemy/dialects/postgresql/provision.py
+++ b/lib/sqlalchemy/dialects/postgresql/provision.py
@@ -62,7 +62,7 @@ def _pg_drop_db(cfg, eng, ident):
                     "where usename=current_user and pid != pg_backend_pid() "
                     "and datname=:dname"
                 ),
-                dname=ident,
+                dict(dname=ident),
             )
             conn.exec_driver_sql("DROP DATABASE %s" % ident)