/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public override bool Exists()
{
using (var readOnlyConnection = _connection.CreateReadOnlyConnection())
{
try
{
readOnlyConnection.Open(errorsExpected: true);
}
catch (SqliteException ex) when(ex.SqliteErrorCode == SQLITE_CANTOPEN)
{
return(false);
}
}
return(true);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public override bool Exists()
{
var connectionOptions = new SqliteConnectionStringBuilder(_connection.ConnectionString);
if (connectionOptions.DataSource.Equals(":memory:", StringComparison.OrdinalIgnoreCase) ||
connectionOptions.Mode == SqliteOpenMode.Memory)
{
return(true);
}
using var readOnlyConnection = _connection.CreateReadOnlyConnection();
try
{
readOnlyConnection.Open(errorsExpected: true);
}
catch (SqliteException ex) when(ex.SqliteErrorCode == SQLITE_CANTOPEN)
{
return(false);
}
return(true);
}