add pb_types

horaedb/Cargo.toml

@@ -23,7 +23,7 @@ license = "Apache-2.0"
 
 [workspace]
 resolver = "2"
-members = ["metric_engine", "server"]
+members = ["metric_engine", "pb_types", "server"]
 
 [workspace.dependencies]
 anyhow = { version = "1.0" }

horaedb/metric_engine/src/manifest.rs

@@ -32,8 +32,6 @@ pub struct Manifest {
     store: ObjectStoreRef,
 }
 
-struct Inner {}
-
 impl Manifest {
     pub async fn try_new(path: String, store: ObjectStoreRef) -> Result<Self> {
         let snapshot_path = Path::from(format!("{path}/{SNAPSHOT_FILENAME}"));

horaedb/pb_types/Cargo.toml

@@ -0,0 +1,37 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+[package]
+name = "pb_types"
+
+[package.license]
+workspace = true
+
+[package.version]
+workspace = true
+
+[package.authors]
+workspace = true
+
+[package.edition]
+workspace = true
+
+[dependencies]
+prost = "0.13"
+
+[build-dependencies]
+prost-build = { version = "0.13" }

horaedb/pb_types/build.rs

@@ -0,0 +1,23 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+use std::io::Result;
+
+fn main() -> Result<()> {
+    prost_build::compile_protos(&["protos/sst.proto"], &["protos/"])?;
+    Ok(())
+}

horaedb/pb_types/protos/sst.proto

@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+syntax = "proto3";
+
+package pb_types.sst;
+
+// Time range of [start, end)
+message TimeRange {
+  // inclusive
+  int64 start = 1;
+  // exclusive
+  int64 end = 2;
+}
+
+message SstMeta {
+  uint64 max_sequence = 1;
+  uint32 num_rows = 2;
+  TimeRange time_range = 3;
+}
+
+message SstFile {
+  uint64 id = 1;
+  SstMeta meta = 2;
+}
+
+message Manifest {
+  repeated SstFile files = 1;
+}
+
+message MetaUpdate {
+  repeated SstFile to_adds = 1;
+  repeated uint64 to_removes = 2;
+}

horaedb/pb_types/src/lib.rs

@@ -0,0 +1,22 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+mod pb_types {
+    include!(concat!(env!("OUT_DIR"), "/pb_types.sst.rs"));
+}
+
+pub use pb_types::*;