From ef9b514cad40dfe50cf087cc309295cf28ca2557 Mon Sep 17 00:00:00 2001
From: Akinori Hattori <hattya@gmail.com>
Date: Thu, 24 Oct 2013 22:25:07 +0900
Subject: [PATCH] sqlite3_column_blob() returns NULL for zero-length BLOB

---
 sqlite3.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sqlite3.go b/sqlite3.go
index df3ad10..0012aa2 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -493,6 +493,10 @@ func (rc *SQLiteRows) Next(dest []driver.Value) error {
 			dest[i] = float64(C.sqlite3_column_double(rc.s.s, C.int(i)))
 		case C.SQLITE_BLOB:
 			p := C.sqlite3_column_blob(rc.s.s, C.int(i))
+			if p == nil {
+				dest[i] = nil
+				continue
+			}
 			n := int(C.sqlite3_column_bytes(rc.s.s, C.int(i)))
 			switch dest[i].(type) {
 			case sql.RawBytes: