public DbCommandGrammar(DatabaseFixture fixture, MethodInfo method, CommandType commandType, string sql)
{
_fixture = fixture;
_method = method;
_commandType = commandType;
_sql = sql;
}
public DatabaseOperationExpression(DatabaseFixture parent, string sql, CommandType commandType)
{
_parent = parent;
_sql = sql;
_commandType = commandType;
}