public override ITable Evaluate(IQueryContext context)
{
// Is the result available in the context?
var childTable = context.GetCachedTable(Id.ToString());
if (childTable == null) {
// No so evaluate the child and cache it
childTable = Child.Evaluate(context);
context.CacheTable(Id.ToString(), childTable);
}
return childTable;
}
public static ITable GetTable(this IQueryContext context, ObjectName tableName)
{
var table = context.GetCachedTable(tableName.FullName) as ITable;
if (table == null)
{
table = context.Session().GetTable(tableName);
if (table != null)
{
table = new UserContextTable(context, table);
context.CacheTable(tableName.FullName, table);
}
}
return(table);
}