From a2db8e4179462b4110f2550d405ee952ec2e6aad Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@roojs.com>
Date: Fri, 29 Jun 2018 15:31:31 +0800
Subject: [PATCH] src/strip.vala

---
 src/strip.vala | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/strip.vala b/src/strip.vala
index c3fd8fc..5b55d52 100644
--- a/src/strip.vala
+++ b/src/strip.vala
@@ -368,6 +368,17 @@ public class Strip : GLib.Object {
         	return;
     	}
     	
+    	// initialize it with known data..
+    	// that should wipe out dupes.
+    	var matches = this.execute("SELECT count(id) FROM Attachment WHERE id = %d".printf(
+	      		int.parse(sid)));  
+
+		if (matches=="0") {	 
+		   GLib.error("Failed to find id  :%s", sid);
+		   return;
+		}
+    	
+    	
     	// initialize it with known data..
     	// that should wipe out dupes.
     	var filesize = this.execute("SELECT filesize FROM Attachment WHERE id = %d".printf(
-- 
2.39.2