avantgardnerio commented on code in PR #2586:
URL: https://github.com/apache/arrow-rs/pull/2586#discussion_r959750157


##########
arrow-flight/src/lib.rs:
##########
@@ -254,10 +254,17 @@ impl From<SchemaAsIpc<'_>> for FlightData {
     }
 }
 
-impl From<SchemaAsIpc<'_>> for SchemaResult {
-    fn from(schema_ipc: SchemaAsIpc) -> Self {
-        let IpcMessage(vals) = flight_schema_as_flatbuffer(schema_ipc.0, 
schema_ipc.1);
-        SchemaResult { schema: vals }
+impl TryFrom<SchemaAsIpc<'_>> for SchemaResult {
+    type Error = ArrowError;
+
+    fn try_from(schema_ipc: SchemaAsIpc) -> ArrowResult<Self> {

Review Comment:
   > As an aside I do really wonder why arrow flight is using opaque byte 
objects
   
   @tustvold I tend to agree - it's the binary equivalent of JSON encoded JSON 
I see so much in web dev, but I don't know what we can do about it now - it's 
how Flight chose to make it's protocol extensible :/



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