fix: Remove now-unused db_name argument to encode_write

mutable_batch_pb/src/encode.rs

@@ -12,7 +12,7 @@ use mutable_batch::MutableBatch;
 use schema::InfluxColumnType;
 
 /// Convert a [`DmlWrite`] to a [`DatabaseBatch`]
-pub fn encode_write(_db_name: &str, database_id: i64, write: &DmlWrite) -> DatabaseBatch {
+pub fn encode_write(database_id: i64, write: &DmlWrite) -> DatabaseBatch {
     DatabaseBatch {
         table_batches: write
             .tables()

mutable_batch_tests/benches/write_pb.rs

@@ -27,7 +27,7 @@ fn generate_pbdata_bytes() -> Vec<(String, (usize, Bytes))> {
                 "bananas".into(),
                 Default::default(),
             );
-            let database_batch = mutable_batch_pb::encode::encode_write("db", 42, &write);
+            let database_batch = mutable_batch_pb::encode::encode_write(42, &write);
 
             let mut bytes = BytesMut::new();
             database_batch.encode(&mut bytes).unwrap();

write_buffer/src/codec.rs

@@ -214,7 +214,7 @@ pub fn encode_operation(
     let payload = match operation {
         DmlOperation::Write(write) => {
             let namespace_id = write.namespace_id().get();
-            let batch = mutable_batch_pb::encode::encode_write(db_name, namespace_id, write);
+            let batch = mutable_batch_pb::encode::encode_write(namespace_id, write);
             Payload::Write(batch)
         }
         DmlOperation::Delete(delete) => Payload::Delete(DeletePayload {