gatesvp

Original Collection
Array
(
    [_id] => MongoId Object
        (
            [$id] => 4d963aa56803fa8318000000
        )

    [owner] => 1
    [type] => question

gatesvp

> db.locations.insert({coords: [-79.4434, 44.1428], type: 'bank', tags:['24h', 'finance']})
> db.locations.insert({coords: [-62.0343, 45.4432], type: 'cinema', tags: ['film', 'popcorn']})
> db.locations.insert({coords: [-64.3433, 45.3341], type: 'cafe', tags: ['coffee', 'tea']})
> db.locations.distinct('type')
[ "bank", "cinema", "cafe" ]
> db.locations.ensureIndex({ type : 1 })
> db.locations.distinct('type')
[ "bank", "cafe", "cinema" ]
> db.locations.ensureIndex({coords: '2d', type: 1, tags: 1})
> db.locations.distinct('type')

gatesvp

randomString = function(string_length) {
  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
  var randomstring = '';
  for (var i=0; i<string_length; i++) {
    var rnum = Math.floor(Math.random() * chars.length);
    randomstring += chars.substring(rnum,rnum+1);
  }
  return randomstring;
}

gatesvp

<?php
$mongo = new Mongo();

$coll = $mongo->selectCollection('foo', 'documents');
$coll->drop();
$coll->insert( array( "bar foo" => array( 'bah baz' => 2 ) ) );

$res = $coll->find(array('bar foo.bah baz' => 2));

foreach($res as $r){

gatesvp

db.foo.drop();

db.foo.insert( { actor: "Richard Gere", movies: ['Pretty Woman', 'Runaway Bride', 'Chicago'] })
db.foo.insert( { actor: "Julia Roberts", movies: ['Pretty Woman', 'Runaway Bride', 'Erin Brockovich'] })
map = function() {
  for(var i in this.movies){
    key = { movie: this.movies[i] };
    value = { actors: [ this.actor ] };
    emit(key, value);
  }

gatesvp

var x = {
  "_id" : ObjectId("4dbf16ecee3bbe4d22000003"), 
  "options" : { 
    "options" : [ { "price" : { "_type" : "decimal", "val" : 1000 }, "label" : "10" } 
  ], 
  "categories" : [[ "WTF","11" ]] 
  } 
}

db.deals_test.drop();

gatesvp

> db.foo.insert( { x : 1, y : 1 } )
> db.foo.insert( { x : 2, y : "string" } )
> db.foo.insert( { x : 3, y : null } )
> db.foo.insert( { x : 4 } )
> db.foo.find()
{ "_id" : ObjectId("4dc1974612c677fc83b5629d"), "x" : 1, "y" : 1 }
{ "_id" : ObjectId("4dc1974c12c677fc83b5629e"), "x" : 2, "y" : "string" }
{ "_id" : ObjectId("4dc1975312c677fc83b5629f"), "x" : 3, "y" : null }
{ "_id" : ObjectId("4dc1975a12c677fc83b562a0"), "x" : 4 }
> db.foo.find( { "y" : null } )

gatesvp

<?php

try{
  $m = new Mongo('localhost');
  $db = $m->abc;
  $collection = $db->def;
  $collection->drop();

  // Insert test data
  $collection->insert( array('A' => 1, 'B' => 4, 'C' => array("C1" => 'val', "C2" => 15) ) );

gatesvp

<?php

try{
  $m = new Mongo('localhost');
  $db = $m->abc;
  $collection = $db->def;
  $collection->drop();

  // Insert test data
  $collection->insert( array('A' => 1, 'B' => 4, 'C' => array("C1" => 'val', "C2" => 15) ) );

gatesvp

<?php
try{
### Step 1 & 2
    $m = new Mongo('ec2-50-16-121-178.compute-1.amazonaws.com');
    $db = $m->admin;

### Step 3
    $res = $db->command(array('replSetGetStatus' => 1));
    print_r($res);