@@ -96,11 +96,11 @@ date:
9696
9797 The string must be a valid date string, such as:
9898
99- - "2018-03-03 "
99+ - "2018-03-20 "
100100
101- - "2018-03-03T12 :00:00Z"
101+ - "2018-03-20T12 :00:00Z"
102102
103- - "2018-03-03T12 :00:00+0500"
103+ - "2018-03-20T12 :00:00+0500"
104104
105105 * - ObjectId
106106
@@ -123,16 +123,16 @@ The following table lists some conversion to date examples:
123123 - ISODate("2009-09-19T14:53:56Z")
124124
125125 * - ``{$toDate: NumberLong("1100000000000")}``
126- - ISODate("2004-11-09T11 :33:20Z")
126+ - ISODate("2004-11-19T11 :33:20Z")
127127
128128 * - ``{$toDate: NumberLong("-1100000000000")}``
129129 - ISODate("1935-02-22T12:26:40Z")
130130
131131 * - ``{$toDate: ObjectId("5ab9c3da31c2ab715d421285")}``
132132 - ISODate("2018-03-27T04:08:58Z")
133133
134- * - ``{$toDate: "2018-03-03 "}``
135- - ISODate("2018-03-03T00 :00:00Z")
134+ * - ``{$toDate: "2018-03-20 "}``
135+ - ISODate("2018-03-20T00 :00:00Z")
136136
137137 * - ``{$toDate: "2018-03-20 11:00:06 +0500"}``
138138 - ISODate("2018-03-20T06:00:06Z")
@@ -148,16 +148,15 @@ Create a collection ``orders`` with the following documents:
148148.. code-block:: javascript
149149
150150 db.orders.insert( [
151- { _id: 1, item: "apple", qty: 5, order_date: new Date("2018-03-10" ) },
152- { _id: 2, item: "pie", qty: 10, order_date: new Date("2018-03-12") },
153- { _id: 3, item: "ice cream", qty: 2, price: "4.99" , order_date: "2018-03-05 " },
154- { _id: 4, item: "almonds" , qty: 5, price: 5, order_date: "2018-03-05 +10:00"}
151+ { _id: 1, item: "apple", qty: 5, price: 2, order_date: new Date( "2018-03-20" ) },
152+ { _id: 2, item: "pie", qty: 10, price: 3, order_date: new Date( "2018-03-22" ) },
153+ { _id: 3, item: "ice cream", qty: 2, price: 4 , order_date: "2018-03-15 " },
154+ { _id: 4, item: "almonds" , qty: 5, price: 7, order_date: "2018-03-15 +10:00" }
155155 ] )
156156
157157The following aggregation operation on the ``orders`` collection
158158converts the ``order_date`` to date before sorting by the date value:
159159
160-
161160.. code-block:: javascript
162161
163162 // Define stage to add convertedDate field with the converted order_date value
@@ -177,16 +176,44 @@ converts the ``order_date`` to date before sorting by the date value:
177176 db.orders.aggregate( [
178177 dateConversionStage,
179178 sortStage
180- ])
179+ ] )
181180
182181The operation returns the following documents:
183182
184183.. code-block:: javascript
185184
186- { "_id" : 4, "item" : "almonds", "qty" : 5, "price" : 5, "order_date" : "2018-03-05 +10:00", "convertedDate" : ISODate("2018-03-04T14:00:00Z") }
187- { "_id" : 3, "item" : "ice cream", "qty" : 2, "price" : "4.99", "order_date" : "2018-03-05", "convertedDate" : ISODate("2018-03-05T00:00:00Z") }
188- { "_id" : 1, "item" : "apple", "qty" : 5, "order_date" : ISODate("2018-03-10T00:00:00Z"), "convertedDate" : ISODate("2018-03-10T00:00:00Z") }
189- { "_id" : 2, "item" : "pie", "qty" : 10, "order_date" : ISODate("2018-03-12T00:00:00Z"), "convertedDate" : ISODate("2018-03-12T00:00:00Z") }
185+ {
186+ _id: 4,
187+ item: 'almonds',
188+ qty: 5,
189+ price: 7,
190+ order_date: '2018-03-15 +10:00',
191+ convertedDate: ISODate("2018-03-14T14:00:00.000Z")
192+ },
193+ {
194+ _id: 3,
195+ item: 'ice cream',
196+ qty: 2,
197+ price: 4,
198+ order_date: '2018-03-15',
199+ convertedDate: ISODate("2018-03-15T00:00:00.000Z")
200+ },
201+ {
202+ _id: 1,
203+ item: 'apple',
204+ qty: 5,
205+ price: 2,
206+ order_date: ISODate("2018-03-20T00:00:00.000Z"),
207+ convertedDate: ISODate("2018-03-20T00:00:00.000Z")
208+ },
209+ {
210+ _id: 2,
211+ item: 'pie',
212+ qty: 10,
213+ price: 3,
214+ order_date: ISODate("2018-03-22T00:00:00.000Z"),
215+ convertedDate: ISODate("2018-03-22T00:00:00.000Z")
216+ }
190217
191218.. note::
192219
0 commit comments