db access fixes

server/mapobjectdb/sqlite/new.go

@@ -6,7 +6,6 @@ import (
 )
 
 func New(filename string) (*Sqlite3Accessor, error) {
-	//TODO: flag/config for unsafe db access
 	db, err := sql.Open("sqlite3", filename+"?_timeout=500")
 	db.SetMaxOpenConns(1)
 

server/mapobjectdb/sqlite/sql.go

@@ -2,6 +2,7 @@ package sqlite
 
 const migrateScript = `
 PRAGMA foreign_keys = ON;
+PRAGMA journal_mode = TRUNCATE;
 
 create table if not exists objects(
 	id integer primary key autoincrement,

server/tilerendererjob/incremental.go

@@ -36,11 +36,11 @@ func incrementalRender(ctx *app.App, jobs chan *coords.TileCoords) {
 			continue
 		}
 
+		tiles := renderMapblocks(ctx, jobs, result.List)
+
 		lastMtime = result.LastMtime
 		ctx.Settings.SetInt64(settings.SETTING_LAST_MTIME, lastMtime)
 
-		tiles := renderMapblocks(ctx, jobs, result.List)
-
 		t := time.Now()
 		elapsed := t.Sub(start)