private unsafe void DeleteInternal(bool drop)
{
UnsafeBuffer buffer;
UnsafeBuffer.FillFromString(&buffer, _name);
_functions.Remove(Database.DatabaseHandle, &buffer, drop);
}
/// <summary>
/// Performs provided operations on collection indexes.
/// </summary>
/// <param name="path"></param>
/// <param name="flags"></param>
public unsafe void Index(string path, IndexOperations flags)
{
UnsafeBuffer buffer;
UnsafeBuffer.FillFromString(&buffer, path);
if (_functions.SetIndex(CollectionHandle, &buffer, (int)flags))
{
return;
}
throw EjdbException.FromDatabase(Database, "Failed to perform index operation");
}
///// <summary>
///// Executes EJDB command.
///// </summary>
///// <remarks>
///// Supported commands:
/////
///// 1) Exports database collections data. See ejdbexport() method.
/////
///// "export" : {
///// "path" : string, //Exports database collections data
///// "cnames" : [string array]|null, //List of collection names to export
///// "mode" : int|null //Values: null|`JBJSONEXPORT` See ejdb.h#ejdbexport() method
///// }
/////
///// Command response:
///// {
///// "log" : string, //Diagnostic log about executing this command
///// "error" : string|null, //ejdb error message
///// "errorCode" : int|0, //ejdb error code
///// }
/////
///// 2) Imports previously exported collections data into ejdb.
/////
///// "import" : {
///// "path" : string //The directory path in which data resides
///// "cnames" : [string array]|null, //List of collection names to import
///// "mode" : int|null //Values: null|`JBIMPORTUPDATE`|`JBIMPORTREPLACE` See ejdb.h#ejdbimport() method
///// }
/////
///// Command response:
///// {
///// "log" : string, //Diagnostic log about executing this command
///// "error" : string|null, //ejdb error message
///// "errorCode" : int|0, //ejdb error code
///// }
///// </remarks>
///// <param name="cmd">Command object</param>
///// <returns>Command response.</returns>
////public BsonDocument Command(BsonDocument cmd)
////{
//// CheckDisposed();
//// byte[] cmdata = cmd.ToByteArray();
//// //internal static extern IntPtr _ejdbcommand([In] IntPtr db, [In] byte[] cmd);
//// IntPtr cmdret = _command(this, cmdata);
//// if (cmdret == IntPtr.Zero)
//// {
//// return null;
//// }
//// byte[] bsdata = BsonPtrIntoByteArray(cmdret);
//// if (bsdata.Count == 0)
//// {
//// return null;
//// }
//// BsonIterator it = new BsonIterator(bsdata);
//// return it.ToBsonDocument();
////}
/// <summary>
/// Opens or creates database file depending on <see cref="OpenMode"/>
/// </summary>
/// <param name="dbFilePath">Database filename</param>
/// <param name="openMode"></param>
public unsafe void Open(string dbFilePath, OpenMode openMode = DefaultOpenMode)
{
UnsafeBuffer buffer;
UnsafeBuffer.FillFromString(&buffer, dbFilePath);
bool result = _functions.OpenDatabase(DatabaseHandle, &buffer, openMode);
if (!result)
{
throw EjdbException.FromDatabase(this, "Error on open database");
}
}
//gets collection with specified name
public unsafe CollectionHandle(Database database, string name)
: base(false)
{
_database = database;
UnsafeBuffer buffer;
UnsafeBuffer.FillFromString(&buffer, name);
handle = _database.Library.Functions.Collection.GetCollection(DatabaseHandle, &buffer);
if (IsInvalid)
{
//TODO: Use meta to get actual collection names
throw EjdbException.FromDatabase(database, "Get collection error. May be collection does not exist?");
}
}
//Creates collection with specified name
public unsafe CollectionHandle(Database database, string name, CollectionOptions options)
: base(false)
{
_database = database;
UnsafeBuffer buffer;
UnsafeBuffer.FillFromString(&buffer, name);
handle = _database.Library.Functions.Collection.CreateCollection(DatabaseHandle, &buffer, ref options);
if (IsInvalid)
{
throw EjdbException.FromDatabase(database, "Unknown error on collection creation");
}
}
