feat: Add ListMetadataRequest (#247)

* feat: add ListMetadataRequest Signed-off-by: evenyag <realevenyag@gmail.com> * chore: generate C++ and java codes Signed-off-by: evenyag <realevenyag@gmail.com> * chore: document return value Signed-off-by: evenyag <realevenyag@gmail.com> --------- Signed-off-by: evenyag <realevenyag@gmail.com>
2025-06-23 14:39:46 +08:00
parent 82fe5c6282
commit 819a949550
4 changed files with 1897 additions and 196 deletions
@@ -55,6 +55,7 @@ message RegionRequest {
    AlterRequests alters = 15;
    BulkInsertRequest bulk_insert = 16;
    SyncRequest sync = 17;
+    ListMetadataRequest list_metadata = 18;
  }
 }

@@ -62,6 +63,11 @@ message RegionResponse {
  ResponseHeader header = 1;
  uint64 affected_rows = 2;
  map<string, bytes> extensions = 3;
+  // Response for ListMetadataRequest.
+  // It is a json array of region metadatas.
+  // The length of the array is equal to the number of regions in the list request.
+  // The element is null if the region is not found.
+  bytes metadata = 4;
 }

 message InsertRequests { repeated InsertRequest requests = 1; }
@@ -213,3 +219,8 @@ message SyncRequest {
    MetricManifestInfo metric_manifest_info = 3;
  }
 }
+
+// Get region metadatas of a list of regions.
+message ListMetadataRequest {
+  repeated uint64 region_ids = 1;
+}