public void Delete <T>(T instance)
{
var tableName = _conventionReader.GetTableName <T>();
var primaryKeyColumnName = _conventionReader.GetPrimaryKeyColumnName <T>();
var primaryKeyValue = _conventionReader.GetPrimaryKeyValue(instance);
var constraintExpression = QueryExpression.Create(new EqualsExpression(primaryKeyColumnName, primaryKeyValue));
var command = _sqlGenerator.CreateDeleteCommand(tableName, constraintExpression);
_dbCommandExecutor.ExecuteNonQuery(command, ConnectionString);
}