From a41b62da970f9795cc4e8bc4fecbdb386dc18d80 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Sat, 10 Jan 2015 23:52:05 +0100
Subject: [PATCH] fixes #1866

---
 lib/impure/db_sqlite.nim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/impure/db_sqlite.nim b/lib/impure/db_sqlite.nim
index bc9e0b5919..bf1ce75ef7 100644
--- a/lib/impure/db_sqlite.nim
+++ b/lib/impure/db_sqlite.nim
@@ -48,6 +48,7 @@ proc dbError*(msg: string) {.noreturn.} =
   raise e
 
 proc dbQuote(s: string): string =
+  if s.isNil: return "NULL"
   result = "'"
   for c in items(s):
     if c == '\'': add(result, "''")
@@ -61,7 +62,7 @@ proc dbFormat(formatstr: TSqlQuery, args: varargs[string]): string =
     if c == '?':
       add(result, dbQuote(args[a]))
       inc(a)
-    else: 
+    else:
       add(result, c)
   
 proc tryExec*(db: TDbConn, query: TSqlQuery,