private void BuildCache(bool closeConnection)
{
SqliteCommand sourceCommand = SourceCommand;
if (sourceCommand == null)
{
throw new InvalidOperationException("The DataAdapter.SelectCommand property needs to be initialized.");
}
SqliteConnection connection = sourceCommand.Connection as SqliteConnection;
if (connection == null)
{
throw new InvalidOperationException("The DataAdapter.SelectCommand.Connection property needs to be initialized.");
}
if (_schemaTable == null)
{
if (connection.State == ConnectionState.Open)
{
closeConnection = false;
}
else
{
connection.Open();
}
SqliteDataReader reader = sourceCommand.ExecuteReader(CommandBehavior.SchemaOnly |
CommandBehavior.KeyInfo);
_schemaTable = reader.GetSchemaTable();
reader.Close();
if (closeConnection)
{
connection.Close();
}
BuildInformation(_schemaTable);
}
}
