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tutorial; comments

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This commit is contained in:
Dwight
2009-02-09 17:17:40 -05:00
parent a071a573c3
commit 3b5cb47a1f
3 changed files with 47 additions and 15 deletions
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28
client/examples/tutorial.cpp
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@@ -1,18 +1,42 @@
#include <iostream>
#include "../../client/dbclient.h"
// g++ -I ../.. -L ../.. tutorial.cpp -lmongoclient -lboost_thread -lboost_filesystem
// g++ tutorial.cpp -lmongoclient -lboost_thread -lboost_filesystem -o tutorial
using namespace mongo;
void printIfAge(DBClientConnection& c, int age) {
auto_ptr<DBClientCursor> cursor = c.query("tutorial.persons", QUERY( "age" << age ).sort("name") );
while( cursor->more() ) {
BSONObj p = cursor->next();
cout << p.getStringField("name") << endl;
}
}
void run() {
DBClientConnection c;
c.connect("192.168.58.1");
c.connect("localhost"); //"192.168.58.1");
cout << "connected ok" << endl;
BSONObj p = BSON( "name" << "Joe" << "age" << 33 );
c.insert("tutorial.persons", p);
p = BSON( "name" << "Jane" << "age" << 40 );
c.insert("tutorial.persons", p);
p = BSON( "name" << "Abe" << "age" << 33 );
c.insert("tutorial.persons", p);
p = BSON( "name" << "Samantha" << "age" << 21 << "city" << "Los Angeles" << "state" << "CA" );
c.insert("tutorial.persons", p);
c.ensureIndex("tutorial.persons", fromjson("{age:1}"));
cout << "count:" << c.count("tutorial.persons") << endl;
auto_ptr<DBClientCursor> cursor = c.query("tutorial.persons", emptyObj);
while( cursor->more() ) {
cout << cursor->next().toString() << endl;
}
cout << "\nprintifage:\n";
printIfAge(c, 33);
}
int main() {