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當我嘗試將新文件添加到我的數據庫時,出現以下Spatialite錯誤。VACUUM導致「無法打開數據庫文件」
10-05 11:50:01.408: E/GDH(1545): jsqlite.Exception: unable to open database file
10-05 11:50:01.408: E/GDH(1545): at jsqlite.Database._exec(Native Method)
10-05 11:50:01.408: E/GDH(1545): at jsqlite.Database.exec(Database.java:177)
10-05 11:50:01.408: E/GDH(1545): at com.kd7uiy.hamfinder.database.GeoDataHelper.addDb(GeoDataHelper.java:153)
該代碼在從UI線程的單獨的線程中運行,並且執行下面的代碼,與來自GeoDataHelper.addDb標線153。
Database db = this.getWritableDatabase();
TableResult result=new TableResult(); //Filler, isn't really needed, but...
db.exec("ATTACH DATABASE \"%q\" AS newDb",result,new String[]{path});
db.exec("REPLACE INTO counties(name,cntyidfp,geometry) "
+ "SELECT name,cntyidfp,geometry FROM newDb.counties",result);
db.exec("VACUUM",result);
db.exec("DETACH DATABASE newDb",result);
打開數據庫的代碼包括這樣的:
Database db = new Database();
db.open(mDatabasePath + "/" + mName,
jsqlite.Constants.SQLITE_OPEN_READWRITE);
// set parameters
db.exec("PRAGMA journal_mode = PERSIST;", null);
db.exec("PRAGMA temp_store = FILE;", null);
db.exec("PRAGMA temp_store_directory = \"" + mDatabasePath+"/"+mName + "\";", null);
我不明白,前兩個電話怎麼都有效,但真空不。有任何想法嗎?
注意(http://sqlite.org/pragma.html#pragma_temp_store_directory) – 2014-10-05 18:16:15