diff --git a/ci/scripts/e2e-sql-migration.sh b/ci/scripts/e2e-sql-migration.sh
index a2078a5be49f5..285d51b8f6ec9 100755
--- a/ci/scripts/e2e-sql-migration.sh
+++ b/ci/scripts/e2e-sql-migration.sh
@@ -28,7 +28,7 @@ RUST_LOG="info,risingwave_stream=info,risingwave_batch=info,risingwave_storage=i
 cargo make ci-start ci-1cn-1fe-with-recovery
 
 echo "--- init cluster with some data & DDL"
-sqllogictest -h localhost -p 4565 -d dev './e2e_test/sql_migration/prepare.slt'
+sqllogictest -d dev -h localhost -p 4566 './e2e_test/sql_migration/prepare.slt'
 
 echo "--- kill cluster"
 cargo make ci-kill
@@ -52,7 +52,7 @@ echo "--- starting risingwave cluster, meta-1cn-1fe-sqlite"
 cargo make dev meta-1cn-1fe-sqlite
 
 echo "--- run check"
-sqllogictest -h localhost -p 4565 -d dev './e2e_test/sql_migration/check.slt'
+sqllogictest -d dev -h localhost -p 4566 './e2e_test/sql_migration/check.slt'
 
 echo "--- kill cluster"
 cargo make kill
diff --git a/src/ctl/src/cmd_impl/meta/migration.rs b/src/ctl/src/cmd_impl/meta/migration.rs
index a74561f5c5646..8231cd4726e9b 100644
--- a/src/ctl/src/cmd_impl/meta/migration.rs
+++ b/src/ctl/src/cmd_impl/meta/migration.rs
@@ -428,7 +428,6 @@ pub async fn migrate(from: EtcdBackend, target: String, force_clean: bool) -> an
             table.database_id = *db_rewrite.get(&table.database_id).unwrap();
             table.schema_id = *schema_rewrite.get(&table.schema_id).unwrap();
         });
-        // Question: Do we need to rewrite the function ids?
         let mut fragment = fragment.into_active_model();
         fragment.stream_node = Set(StreamNode::from_protobuf(&stream_node));
         Fragment::insert(fragment)
@@ -457,9 +456,9 @@ pub async fn migrate(from: EtcdBackend, target: String, force_clean: bool) -> an
         let source_models: Vec<source::ActiveModel> = sources
             .into_iter()
             .map(|mut src| {
-                src.connection_id.as_mut().map(|id| {
-                    *id = *connection_rewrite.get(&id).unwrap();
-                });
+                if let Some(id) = src.connection_id.as_mut() {
+                    *id = *connection_rewrite.get(id).unwrap();
+                }
                 src.into()
             })
             .collect();
@@ -513,9 +512,9 @@ pub async fn migrate(from: EtcdBackend, target: String, force_clean: bool) -> an
                         used_by: Set(s.id as _),
                     }
                 }));
-                s.connection_id.as_mut().map(|id| {
-                    *id = *connection_rewrite.get(&id).unwrap();
-                });
+                if let Some(id) = s.connection_id.as_mut() {
+                    *id = *connection_rewrite.get(id).unwrap();
+                }
                 s.into()
             })
             .collect();
@@ -588,7 +587,7 @@ pub async fn migrate(from: EtcdBackend, target: String, force_clean: bool) -> an
                 | GrantObject::SinkId(id)
                 | GrantObject::ViewId(id)
                 | GrantObject::SubscriptionId(id) => *id,
-                ty @ _ => unreachable!("invalid object type: {:?}", ty),
+                ty => unreachable!("invalid object type: {:?}", ty),
             };
             for action_with_opt in &gp.action_with_opts {
                 privileges.push(user_privilege::ActiveModel {