Stream method call add status events listen (#7)

call add status events listen for support in some database (for example
Dremio arrow flight SQL )

Author: rongfengliang

src/grpc_util.ts

@@ -120,6 +120,11 @@ export class Stream<GrpcOutput, StreamOutput> {
       }
       this.responses_.push({ data });
     });
+    call.on("status", (status: { code: number; metadata: GrpcMetadata }) => {
+      if (status.code === 0) {
+        this.responses_.push({ metadata: new Metadata(status.metadata) });
+      }
+    });
     call.on("metadata", (metadata: GrpcMetadata) => {
       this.responses_.push({ metadata: new Metadata(metadata) });
     });