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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-1371] BSONObjBuilder does not handle uint64_t correctly (overloaded append() are ambiguous)</title>
                <link>https://jira.mongodb.org/browse/SERVER-1371</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The following code does not compile due to ambiguous BSONObjBuilder::append() overload&lt;/p&gt;

&lt;p&gt;code:&lt;br/&gt;
	uint64_t orz = 10;&lt;br/&gt;
	BSONObj o = BSON(&quot;test&quot; &amp;lt;&amp;lt; orz);&lt;/p&gt;

&lt;p&gt;gcc compile error messages:&lt;/p&gt;

&lt;p&gt;/usr/include/mongo/client/../db/jsobj.h:1924: error: call of overloaded &apos;append(const char*&amp;amp;, long unsigned int&amp;amp;)&apos; is ambiguous&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1208: note: candidates are: void mongo::BSONObjBuilder::append(const char*, mongo::BSONObj) &amp;lt;near match&amp;gt;&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1214: note:                 void mongo::BSONObjBuilder::append(const std::string&amp;amp;, mongo::BSONObj) &amp;lt;near match&amp;gt;&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1253: note:                 void mongo::BSONObjBuilder::append(const char*, bool)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1260: note:                 void mongo::BSONObjBuilder::append(const char*, int)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1266: note:                 void mongo::BSONObjBuilder::append(const std::string&amp;amp;, int)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1271: note:                 void mongo::BSONObjBuilder::append(const char*, unsigned int)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1274: note:                 void mongo::BSONObjBuilder::append(const char*, long long int)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1281: note:                 void mongo::BSONObjBuilder::append(const std::string&amp;amp;, long long int)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1322: note:                 mongo::BSONObjBuilder&amp;amp; mongo::BSONObjBuilder::append(const char*, double)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1370: note:                 void mongo::BSONObjBuilder::append(const char*, mongo::Date_t)&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1398: note:                 mongo::BSONObjBuilder&amp;amp; mongo::BSONObjBuilder::append(const char*, const char*) &amp;lt;near match&amp;gt;&lt;br/&gt;
/usr/include/mongo/client/../db/jsobj.h:1406: note:                 void mongo::BSONObjBuilder::append(const char*, std::string) &amp;lt;near match&amp;gt;&lt;/p&gt;

&lt;p&gt;Apparently the problem is that BSONObjBuilder::append() does not overload specifically for &quot;unsigned long long&quot; type so for uint64_t it&apos;s possible to match all types, leading to ambiguous overload. &lt;/p&gt;

&lt;p&gt;This bug is in all release, including the trunk version.&lt;/p&gt;</description>
                <environment>Ubuntu Lucid 64bit, GCC 4.3.4/4.4.3</environment>
        <key id="12368">SERVER-1371</key>
            <summary>BSONObjBuilder does not handle uint64_t correctly (overloaded append() are ambiguous)</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="2">Won&apos;t Fix</resolution>
                                        <assignee username="eliot">Eliot Horowitz</assignee>
                                    <reporter username="nctusdk">Mark Sung</reporter>
                        <labels>
                    </labels>
                <created>Wed, 7 Jul 2010 04:56:47 +0000</created>
                <updated>Tue, 27 Sep 2011 03:22:28 +0000</updated>
                            <resolved>Wed, 7 Jul 2010 07:45:12 +0000</resolved>
                                                                    <component>Internal Client</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="56827" author="alazyrabbit" created="Tue, 27 Sep 2011 03:22:28 +0000"  >&lt;p&gt;I think you should have implemented a method with an unsigned 64 bit integer type, as what the long unsigned integer type is depends on the c++ compiler.&lt;/p&gt;</comment>
                            <comment id="15480" author="eliot" created="Wed, 7 Jul 2010 07:45:12 +0000"  >&lt;p&gt;there isn&apos;t an unsigned 64 bit integer type, so this message is correct.&lt;br/&gt;
you should cast to what you need&lt;/p&gt;</comment>
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