public static bool ExportMapDataToDB(string sourceFile, string destFile)
{
bool ret = true;
try
{
if (!File.Exists(destFile))
{
ret = CreateEmptyDB(destFile);
}
if (ret)
{
using (SQLiteConnection cn1 = new SQLiteConnection())
{
#if !MONO
cn1.ConnectionString = string.Format("Data Source=\"{0}\";Page Size=32768;Pooling=True", sourceFile);
#else
cn1.ConnectionString = string.Format("Version=3,URI=file://{0},FailIfMissing=True,Page Size=32768,Pooling=True", sourceFile);
#endif
cn1.Open();
if (cn1.State == System.Data.ConnectionState.Open)
{
using (SQLiteConnection cn2 = new SQLiteConnection())
{
#if !MONO
cn2.ConnectionString = string.Format("Data Source=\"{0}\";Page Size=32768;Pooling=True", destFile);
#else
cn2.ConnectionString = string.Format("Version=3,URI=file://{0},FailIfMissing=True,Page Size=32768,Pooling=True", destFile);
#endif
cn2.Open();
if (cn2.State == System.Data.ConnectionState.Open)
{
using (SQLiteCommand cmd = new SQLiteCommand(string.Format("ATTACH DATABASE \"{0}\" AS Source", sourceFile), cn2))
{
cmd.ExecuteNonQuery();
}
#if !MONO
using (SQLiteTransaction tr = cn2.BeginTransaction())
#else
using (DbTransaction tr = cn2.BeginTransaction())
#endif
{
try
{
List <long> add = new List <long>();
using (SQLiteCommand cmd = new SQLiteCommand("SELECT id, X, Y, Zoom, Type FROM Tiles;", cn1))
{
using (SQLiteDataReader rd = cmd.ExecuteReader())
{
while (rd.Read())
{
long id = rd.GetInt64(0);
using (SQLiteCommand cmd2 = new SQLiteCommand(string.Format("SELECT id FROM Tiles WHERE X={0} AND Y={1} AND Zoom={2} AND Type={3};", rd.GetInt32(1), rd.GetInt32(2), rd.GetInt32(3), rd.GetInt32(4)), cn2))
{
using (SQLiteDataReader rd2 = cmd2.ExecuteReader())
{
if (!rd2.Read())
{
add.Add(id);
}
}
}
}
}
}
foreach (long id in add)
{
using (SQLiteCommand cmd = new SQLiteCommand(string.Format("INSERT INTO Tiles(X, Y, Zoom, Type) SELECT X, Y, Zoom, Type FROM Source.Tiles WHERE id={0}; INSERT INTO TilesData(id, Tile) Values((SELECT last_insert_rowid()), (SELECT Tile FROM Source.TilesData WHERE id={0}));", id), cn2))
{
cmd.Transaction = tr;
cmd.ExecuteNonQuery();
}
}
add.Clear();
tr.Commit();
}
catch
{
tr.Rollback();
ret = false;
}
}
}
}
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine("ExportMapDataToDB: " + ex.ToString());
ret = false;
}
return(ret);
}
