1 files changed, 16 insertions, 9 deletions
diff --git a/weed/filer2/mysql/mysql_store.go b/weed/filer2/mysql/mysql_store.go
index e18299bd2..63d99cd9d 100644
--- a/weed/filer2/mysql/mysql_store.go
+++ b/weed/filer2/mysql/mysql_store.go
@@ -26,28 +26,35 @@ func (store *MysqlStore) GetName() string {
 	return "mysql"
 }
 
-func (store *MysqlStore) Initialize(configuration util.Configuration) (err error) {
+func (store *MysqlStore) Initialize(configuration util.Configuration, prefix string) (err error) {
 	return store.initialize(
-		configuration.GetString("username"),
-		configuration.GetString("password"),
-		configuration.GetString("hostname"),
-		configuration.GetInt("port"),
-		configuration.GetString("database"),
-		configuration.GetInt("connection_max_idle"),
-		configuration.GetInt("connection_max_open"),
+		configuration.GetString(prefix+"username"),
+		configuration.GetString(prefix+"password"),
+		configuration.GetString(prefix+"hostname"),
+		configuration.GetInt(prefix+"port"),
+		configuration.GetString(prefix+"database"),
+		configuration.GetInt(prefix+"connection_max_idle"),
+		configuration.GetInt(prefix+"connection_max_open"),
+		configuration.GetBool(prefix+"interpolateParams"),
 	)
 }
 
-func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen int) (err error) {
+func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen int,
+	interpolateParams bool) (err error) {
 
 	store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
 	store.SqlUpdate = "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
 	store.SqlFind = "SELECT meta FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
 	store.SqlDelete = "DELETE FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
+	store.SqlDeleteFolderChildren = "DELETE FROM filemeta WHERE dirhash=? AND directory=?"
 	store.SqlListExclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>? AND directory=? ORDER BY NAME ASC LIMIT ?"
 	store.SqlListInclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>=? AND directory=? ORDER BY NAME ASC LIMIT ?"
 
 	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
+	if interpolateParams {
+		sqlUrl += "&interpolateParams=true"
+	}
+
 	var dbErr error
 	store.DB, dbErr = sql.Open("mysql", sqlUrl)
 	if dbErr != nil {