oqgraph-dev team mailing list archive

[Antony T Curtis <atcurtis@xxxxxxxxx>]

Will have to find what it takes to indicate cursor stability. In OQGraph's case, it basically represents iterating through rows from a storage engine and as such, is stable and should not have any mutations. Perhaps it may be adequate to constify the interface...


On 21 Jul, 2013, at 4:25 am, Arjen Lentz wrote:

> 
> 
> ----- Forwarded Message -----
> From: "AL13N (JIRA)" <jira@xxxxxxxxxxxxxxxxxxxxx>
> Sent: Sunday, 21 July, 2013 9:22:25 PM
> Subject: [JIRA] (MDEV-4795) oqgraph engine fails to build with boost 1.54.0
> 
> 
>    [ https://mariadb.atlassian.net/browse/MDEV-4795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33523#comment-33523 ] 
> 
> AL13N commented on MDEV-4795:
> -----------------------------
> 
> chat of some people who might have some insight in this issue.
> 
> 10:41 < zao> Well, what static-assert is it tripping on?
> 10:43 < zao> See named_graph.hpp:318 for a long and descriptive string
> 10:43 < zao> BOOST_STATIC_ASSERT_MSG 
> ((boost::is_base_of<boost::graph_detail::stable_tag, 
> VertexIterStability>::value), "Named graphs cannot use vecS as 
>             vertex container and remove vertices; the lack of vertex 
> descriptor stability
> 10:43 < zao> (which iterator stability is a proxy for) means that the name -> 
> vertex mapping would need to be completely rebuilt after each deletion.  See 
>             https://svn.boost.org/trac/boost/ticket/7863 for more information 
> and a test case.");
> 10:45 < zao> neoclust: The bug indicates that this has been the cause of 
> subtly broken behaviour in the past and that the assert is there to cause a 
> hard compile-time failure instead.
> 
> 
>> oqgraph engine fails to build with boost 1.54.0
>> -----------------------------------------------
>> 
>>                Key: MDEV-4795
>>                URL: https://mariadb.atlassian.net/browse/MDEV-4795
>>            Project: MariaDB Development
>>         Issue Type: Bug
>>   Affects Versions: 5.5.32
>>        Environment: Slackware Linux (current tree), gcc 4.8.1, glibc 2.17
>>           Reporter: Heinz Wiesinger
>>           Assignee: Arjen Lentz
>>           Priority: Minor
>>            Fix For: 5.5.33
>> 
>> 
>> Building MariaDB against a new boost version results in building erros for the OQGraph storage plugin:
>> {noformat}
>> [ 64%] Building CXX object storage/oqgraph/CMakeFiles/oqgraph.dir/graphcore.cc.o
>> In file included from /usr/include/boost/graph/adjacency_list.hpp:45:0,
>>                 from /tmp/mariadb-5.5.32/storage/oqgraph/graphcore.cc:40:
>> /usr/include/boost/graph/named_graph.hpp: In instantiation of 'void boost::graph::named_graph<Graph, Vertex, VertexProperty>::removing_vertex(Vertex, VertexIterStability) [with VertexIterStability = boost::graph_detail::unstable_tag; Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS, open_query::VertexInfo, open_query::EdgeInfo>;
>> Vertex = long unsigned int; VertexProperty = open_query::VertexInfo]':
>> /usr/include/boost/graph/detail/adjacency_list.hpp:2203:7:   required from 'void boost::remove_vertex(typename Config::vertex_descriptor, boost::vec_adj_list_impl<G, C, B>&) [with
>> Graph = boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS, open_query::VertexInfo, open_query::EdgeInfo>; Config = boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS, open_query::VertexInfo, open_query::EdgeInfo>, boost::vecS, boost::vecS, boost::bidirectionalS, open_query::VertexInfo, open_query::EdgeInfo, boost::no_property, boost::listS>::config; Base = boost::bidirectional_graph_helper_with_property<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS, open_query::VertexInfo, open_query::EdgeInfo>, boost::vecS, boost::vecS, boost::bidirectionalS, open_query::VertexInfo, open_query::EdgeInfo, boost::no_property, boost::listS>::config>; typename Config::vertex_descriptor = long unsigned int]'
>> /tmp/mariadb-5.5.32/storage/oqgraph/graphcore.cc:578:35:   required from here
>> /usr/include/boost/graph/named_graph.hpp:318:46: error: invalid application of 'sizeof' to incomplete type 'boost::STATIC_ASSERTION_FAILURE<false>'
>>   BOOST_STATIC_ASSERT_MSG ((boost::is_base_of<boost::graph_detail::stable_tag,}VertexIterStability>::value), "Named graphs cannot use vecS as vertex container and remove vertices; the lack of vertex descriptor stability (which iterator stability is a proxy for) means that the name -> vertex mapping would need to be completely rebuilt after each deletion.  See https://svn.boost.org/trac/boost/ticket/7863 for more information and a test case.");
>>                                              ^
>> make[2]: *** [storage/oqgraph/CMakeFiles/oqgraph.dir/graphcore.cc.o] Error 1
>> make[1]: *** [storage/oqgraph/CMakeFiles/oqgraph.dir/all] Error 2
>> make: *** [all] Error 2
>> {noformat}
> 
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> -- 
> Arjen Lentz, Exec.Director @ Open Query (http://openquery.com)
> Australian peace of mind for your MySQL/MariaDB infrastructure.
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