From 329cb6fcdf234fb7c1977dcf44210ae3af557abe Mon Sep 17 00:00:00 2001
From: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>
Date: Sun, 6 Mar 2022 11:52:40 +0100
Subject: [PATCH] set timeout pragma

may fix #255
---
 db/sqlite/sqlite.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/db/sqlite/sqlite.go b/db/sqlite/sqlite.go
index 3bc08e7..604c410 100644
--- a/db/sqlite/sqlite.go
+++ b/db/sqlite/sqlite.go
@@ -164,7 +164,14 @@ func (db *Sqlite3Accessor) GetBlock(pos *coords.MapBlockCoords) (*db.Block, erro
 }
 
 func New(filename string) (*Sqlite3Accessor, error) {
-	db, err := sql.Open("sqlite", filename+"?mode=ro&_timeout=2000")
+	db, err := sql.Open("sqlite", filename+"?mode=ro")
+	if err != nil {
+		return nil, err
+	}
+
+	// limit connection and set a busy-timeout to prevent errors if the db should be locked sometimes
+	db.SetMaxOpenConns(1)
+	_, err = db.Exec("pragma busy_timeout = 5000;")
 	if err != nil {
 		return nil, err
 	}