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-rw-r--r--src/mongo/client/examples/whereExample.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/mongo/client/examples/whereExample.cpp b/src/mongo/client/examples/whereExample.cpp
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+// @file whereExample.cpp
+// @see http://www.mongodb.org/display/DOCS/Server-side+Code+Execution
+
+/* Copyright 2009 10gen Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <iostream>
+
+#include "client/dbclient.h"
+
+using namespace std;
+using namespace mongo;
+
+int main( int argc, const char **argv ) {
+
+ const char *port = "27017";
+ if ( argc != 1 ) {
+ if ( argc != 3 )
+ throw -12;
+ port = argv[ 2 ];
+ }
+
+ DBClientConnection conn;
+ string errmsg;
+ if ( ! conn.connect( string( "127.0.0.1:" ) + port , errmsg ) ) {
+ cout << "couldn't connect : " << errmsg << endl;
+ throw -11;
+ }
+
+ const char * ns = "test.where";
+
+ conn.remove( ns , BSONObj() );
+
+ conn.insert( ns , BSON( "name" << "eliot" << "num" << 17 ) );
+ conn.insert( ns , BSON( "name" << "sara" << "num" << 24 ) );
+
+ auto_ptr<DBClientCursor> cursor = conn.query( ns , BSONObj() );
+
+ while ( cursor->more() ) {
+ BSONObj obj = cursor->next();
+ cout << "\t" << obj.jsonString() << endl;
+ }
+
+ cout << "now using $where" << endl;
+
+ Query q = Query("{}").where("this.name == name" , BSON( "name" << "sara" ));
+
+ cursor = conn.query( ns , q );
+
+ int num = 0;
+ while ( cursor->more() ) {
+ BSONObj obj = cursor->next();
+ cout << "\t" << obj.jsonString() << endl;
+ num++;
+ }
+ MONGO_assert( num == 1 );
+}