internal void Validate(SqlMethod method, IContext context)
{
var methodInfo = method.MethodInfo;
if (method.IsFunction && !HasReturnedValue)
{
throw new MethodException($"The execution of function {methodInfo.MethodName} has no returned value");
}
var output = methodInfo.Parameters.Where(x => x.IsOutput);
foreach (var requestedParam in output)
{
SqlExpression outputValue;
if (!Output.TryGetValue(requestedParam.Name, out outputValue))
{
throw new MethodException($"The requested output parameter {requestedParam.Name} was not set by the method {methodInfo.MethodName}");
}
var outputType = outputValue.GetSqlType(context);
if (!outputType.IsComparable(requestedParam.ParameterType))
{
throw new MethodException($"The value set for output parameter {requestedParam.Name} is invalid");
}
}
}
internal MethodContext(IContext context, SqlMethod method, Invoke invoke)
: base(context, $"Method({method.MethodInfo.MethodName})")
{
Invoke = invoke;
Method = method;
namedArgs = BuildArguments(method.MethodInfo, invoke);
ResultValue = SqlExpression.Constant(SqlObject.Null);
output = new Dictionary <string, SqlExpression>();
Metadata = new Dictionary <string, object>();
}
internal MethodContext(IContext context, SqlMethod method, Invoke invoke)
: base(context, method.Type == MethodType.Function ? "function" : "procedure")
{
Invoke = invoke;
Method = method;
namedArgs = BuildArguments(method.MethodInfo, invoke);
ResultValue = SqlExpression.Constant(SqlObject.Null);
output = new Dictionary <string, SqlExpression>();
Metadata = new Dictionary <string, object>();
}
public void Register(SqlMethod method, params ObjectName[] aliases)
{
if (method == null)
{
throw new ArgumentNullException(nameof(method));
}
var methodName = method.MethodInfo.MethodName.ToUpper();
container.RegisterInstance <SqlMethod>(method, methodName);
foreach (var alias in aliases)
{
container.RegisterInstance <SqlMethod>(method, alias.ToUpper());
}
initialized = false;
}