From d4de22088c316bd08a2bf9ebcf0532d7c2af45e8 Mon Sep 17 00:00:00 2001
From: Kenichi Ishigaki <ishigaki@cpan.org>
Date: Thu, 23 May 2019 03:31:31 +0900
Subject: [PATCH] sqlite_db_filename may return an empty string or undef,
 dependeing on the situation (fix #50)

---
 lib/DBD/SQLite.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/DBD/SQLite.pm b/lib/DBD/SQLite.pm
index f295f31..13f3c11 100644
--- a/lib/DBD/SQLite.pm
+++ b/lib/DBD/SQLite.pm
@@ -1864,7 +1864,8 @@ C<$dbh-E<gt>sqlite_last_insert_rowid()> directly.
 
 =head2 $dbh->sqlite_db_filename()
 
-Retrieve the current (main) database filename. If the database is in-memory or temporary, this returns C<undef>.
+Retrieve the current (main) database filename. If the database is in-memory
+or temporary, this returns an empty string, or C<undef>.
 
 =head2 $dbh->sqlite_busy_timeout()