/// <summary>
/// Dump database converting to most recent version syntax
/// </summary>
public void Dump(TextWriter writer)
{
// do not include this collections now
var specials = new string[] { "_master", "_files", "_chunks" };
foreach (var name in _db.GetCollections().Where(x => !specials.Contains(x)))
{
var col = _db.GetCollection(name);
var indexes = col.GetIndexes().Where(x => x["field"] != "_id");
writer.WriteLine("-- Collection '{0}'", name);
foreach (var index in indexes)
{
writer.WriteLine("db.{0}.ensureIndex {1} {2}",
name,
index["field"].AsString,
JsonEx.Serialize(index));
}
foreach (var doc in col.Find(Query.All()))
{
writer.WriteLine("db.{0}.insert {1}", name, JsonEx.Serialize(doc));
}
}
// convert FileStorage to new format
var files = _db.GetCollection("_files");
var chunks = _db.GetCollection("_chunks");
if (files.Count() == 0)
{
return;
}
writer.WriteLine("-- FileStorage: _files");
foreach (var file in files.Find(Query.All()))
{
// adding missing values
file["chunks"] = chunks.Count(Query.StartsWith("_id", file.Id + @"\"));
writer.WriteLine("db._files.insert {0}", JsonEx.Serialize(file));
}
writer.WriteLine("-- FileStorage: _chunks");
foreach (var chunk in chunks.Find(Query.All()))
{
// adding _id format 00000
chunk.Id = string.Format("{0}\\{1:00000}",
chunk.Id.ToString().Substring(0, chunk.Id.ToString().IndexOf('\\')),
Convert.ToInt32(chunk.Id.ToString().Substring(chunk.Id.ToString().IndexOf('\\') + 1)));
writer.WriteLine("db._chunks.insert {0}", JsonEx.Serialize(chunk));
}
}
public void Execute(LiteEngine db, StringScanner s, Display display)
{
if (db == null)
{
throw new LiteException("No database");
}
display.WriteResult(string.Join("\n", db.GetCollections().OrderBy(x => x).ToArray()));
}
public void Execute(LiteEngine db, StringScanner s, Display display)
{
display.WriteResult(string.Join("\n", db.GetCollections().OrderBy(x => x).ToArray()));
}