public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var index = s.Scan(this.FieldPattern).Trim();
return col.DropIndex(index);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var newName = s.Scan(@"[\w-]+");
return db.RenameCollection(col.Name, newName);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var result = new StringBuilder();
if (s.HasTerminated || s.Match("mem$"))
{
var mem = s.Match("mem$");
result = DumpDatabase.Pages(db, mem);
}
else
{
var col = s.Scan(@"[\w-]+");
var field = s.Scan(@"\s+\w+").Trim();
result = DumpDatabase.Index(db, col, field);
}
return result.ToString();
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var filename = s.Scan(@".*");
using (var sr = new StreamReader(filename, Encoding.UTF8))
{
var docs = JsonSerializer.DeserializeArray(sr);
return col.InsertBulk(docs.Select(x => x.AsDocument));
}
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var id = this.ReadId(s);
var filename = s.Scan(@"\s*.*").Trim();
var file = db.FileStorage.FindById(id);
if (file != null)
{
file.SaveAs(filename, true);
return file.AsDocument;
}
else
{
return false;
}
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var field = s.Scan(this.FieldPattern).Trim();
var doc = JsonSerializer.Deserialize(s);
if (doc.IsNull)
{
return col.EnsureIndex(field, false);
}
else if (doc.IsBoolean)
{
return col.EnsureIndex(field, doc.AsBoolean);
}
else
{
var options = db.Mapper.ToObject<IndexOptions>(doc.AsDocument);
return col.EnsureIndex(field, options);
}
}
public bool IsCommand(StringScanner s)
{
return s.Scan(@"rollback(\s+trans)?$").Length > 0;
}
public bool IsCommand(StringScanner s)
{
return s.Scan(@"dump\s*").Length > 0;
}
