/// <summary>
/// Initializes a new instance of the UnQLite class without UnQLiteException.
/// </summary>
/// <exception cref="System.ArgumentNullException">
/// fileName is null.
/// </exception>
public static UnQLiteResultCode TryOpen(string fileName, UnQLiteOpenModel model, out UnQLite unqlite)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
unqlite = null;
IntPtr pDB;
UnQLiteResultCode code = UnsafeNativeMethods.unqlite_open(out pDB, fileName, model);
if (code == UnQLiteResultCode.Ok)
{
unqlite = new UnQLite(pDB);
}
return(code);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="path"></param>
/// <param name="mode"></param>
public UnQEntitybase(string path, UnQMode mode)
{
if (mode == UnQMode.Open)
{
if (!System.IO.File.Exists(path))
{
throw new Exception($"tsdb config '{path}' not exists");
}
unqlite = new UnQLite(path, UnQLiteOpenModel.ReadWrite);
}
if (mode == UnQMode.Override)
{
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
unqlite = new UnQLite(path, UnQLiteOpenModel.Create);
}
else
{
unqlite = new UnQLite(path, UnQLiteOpenModel.Create);
}
this.Entities = new Dictionary <string, UnQRecord>();
}
internal UnQLiteTransaction(UnQLite unqlite)
{
unQLite_ = unqlite;
unQLite_.isAutoCommit_ = false;
}
/// <summary>
/// create a database in memory
/// </summary>
public UnQEntitybase()
{
unqlite = new UnQLite(inmemory, UnQLiteOpenModel.Create);
this.Entities = new Dictionary <string, UnQRecord>();
}