Prevent output callbacks from hearing about neon-file messages (#330)

* Prevent output callbacks from hearing about neon-file messages

Author: Sasha Krassovsky

src/backend/replication/logical/logical.c

@@ -1174,6 +1174,8 @@ message_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 
 	if (ctx->callbacks.message_cb == NULL)
 		return;
+	if (strcmp(prefix, "neon-file") == 0)
+		return;
 
 	/* Push callback + info on the error context stack */
 	state.ctx = ctx;
@@ -1489,6 +1491,8 @@ stream_message_cb_wrapper(ReorderBuffer *cache, ReorderBufferTXN *txn,
 	/* this callback is optional */
 	if (ctx->callbacks.stream_message_cb == NULL)
 		return;
+	if (strcmp(prefix, "neon-file")) == 0)
+		return;
 
 	/* Push callback + info on the error context stack */
 	state.ctx = ctx;