From 4fbf989bd446aee7672ac9967c94f32dd2e9f839 Mon Sep 17 00:00:00 2001
From: Mariano Gappa <spinetta@gmail.com>
Date: Wed, 17 Jul 2024 14:43:56 +0100
Subject: [PATCH] Implement Transform function in Plugin proto file.

---
 plugin/v3/plugin.proto | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/plugin/v3/plugin.proto b/plugin/v3/plugin.proto
index 476c8f1..55484a8 100644
--- a/plugin/v3/plugin.proto
+++ b/plugin/v3/plugin.proto
@@ -27,6 +27,8 @@ service Plugin {
   rpc Read(Read.Request) returns (stream Read.Response);
   // Write resources. Write is the mirror of Sync, expecting a stream of messages as input.
   rpc Write(stream Write.Request) returns (Write.Response);
+  // Transform resources.
+  rpc Transform(stream Transform.Request) returns (stream Transform.Response);
   // Send signal to flush and close open connections
   rpc Close(Close.Request) returns (Close.Response);
   // Validate and test the connections used by the plugin
@@ -190,6 +192,17 @@ message Write {
   message Response {}
 }
 
+message Transform {
+  message Request {
+    // marshalled arrow.Record
+    bytes record = 1;
+  }
+  message Response {
+    // marshalled arrow.Record
+    bytes record = 1;
+  }
+}
+
 message Close {
   message Request {}
   message Response {}