protected void Register(SystemFunctionInfo functionInfo, Func <InvokeContext, InvokeResult> body, Func <InvokeContext, Field, Field> afterAggregate, Func <InvokeContext, SqlType> returnType)
{
if (afterAggregate != null &&
functionInfo.FunctionType != FunctionType.Aggregate)
{
throw new ArgumentException("Cannot specify an after-aggregation on non-aggregate function.");
}
Register(new DelegateFunction(functionInfo, body, afterAggregate, returnType));
}
protected SystemFunction(SystemFunctionInfo functionInfo)
: base(functionInfo)
{
}
protected void Register(SystemFunctionInfo functionInfo, Func <InvokeContext, InvokeResult> body, Func <InvokeContext, SqlType> returnType)
{
Register(functionInfo, body, null, returnType);
}
protected SystemFunction(SystemFunctionInfo functionInfo)
: base(functionInfo)
{
}