Again trying to solve the “database is locked” problem for SQLite

Change transaction mode for multithreaded mode.
MioVisman · Apr 7, 2023 · 48c549c · 48c549c
1 parent c036b7f
commit 48c549c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/include/dblayer/sqlite3.php b/include/dblayer/sqlite3.php
@@ -77,7 +77,10 @@ function start_transaction()
 	{
 		++$this->in_transaction;
 
-		return ($this->link_id->exec('BEGIN TRANSACTION')) ? true : false;
+		if (defined('FORUM_SQLITE3_BUSY_TIMEOUT') && defined('FORUM_SQLITE3_WAL_ON'))
+			return $this->link_id->exec('BEGIN IMMEDIATE TRANSACTION') ? true : false;
+		else
+			return $this->link_id->exec('BEGIN TRANSACTION') ? true : false;
 	}