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https://issues.apache.org/jira/browse/THRIFT-122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12625843#action_12625843
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Alexander Shigin commented on THRIFT-122:
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Noble, i don't see any ways to implement wild card for structures. We can use
boost::any for float/string/int types (and perhaps for list, map and set). But
neither dense nor binary protocols don't send structure or field name. And I
find really difficult to determine the structure type run-time.
If you need wild card only for float, int and string types I think it can be
implemented. It is a backward compatible feature.
If you have any thoughts about implementing wild cards for structures, I'll
reviewed my plan.
> Allow heterogeneous collections
> -------------------------------
>
> Key: THRIFT-122
> URL: https://issues.apache.org/jira/browse/THRIFT-122
> Project: Thrift
> Issue Type: New Feature
> Reporter: Noble Paul
>
> Currently thrift only supports homogeneous collections . But , that is very
> restrictive for many languages which allows heterogeneous collections. It
> does not have to be supported in BinaryProtocol The new DenseProtocol may add
> support for this
> implementation details
> the IDL can allow syntax
> {code}
> list<?>
> set<?>
> map<?,?>
> map<?,the-type>
> map<the-type,?>
> {code}
> While writing down data use a type modifier to say whether key (1), value(2)
> or both(3) are wild cards
> for a List/Set use a type modifier 1 to specify that it is heterogeneous
> If it is a homogeneous collection do it the way it is done now.
> Or else
> add type information just before the data. So it adds an extra byte/element
> For ma
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