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DOCSP-24207 Improve Stock Prices Example (#4159)
* DOCSP-24207 improving stock names * changing more files * changed stocks to symbols
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‎source/includes/stockSales-example-collection-create.rst

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,9 @@
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.. code-block:: javascript
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db.stockSales.insertMany( [
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{ _id: 0, symbol: "ABC", saleTimestamp: Timestamp(1622731060, 1) },
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{ _id: 1, symbol: "ABC", saleTimestamp: Timestamp(1622731060, 2) },
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{ _id: 2, symbol: "DEF", saleTimestamp: Timestamp(1714124193, 1) },
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{ _id: 3, symbol: "DEF", saleTimestamp: Timestamp(1714124193, 2) },
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{ _id: 4, symbol: "DEF", saleTimestamp: Timestamp(1714124193, 3) }
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{ _id: 0, symbol: "MDB", saleTimestamp: Timestamp(1622731060, 1) },
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{ _id: 1, symbol: "MDB", saleTimestamp: Timestamp(1622731060, 2) },
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{ _id: 2, symbol: "MSFT", saleTimestamp: Timestamp(1714124193, 1) },
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{ _id: 3, symbol: "MSFT", saleTimestamp: Timestamp(1714124193, 2) },
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{ _id: 4, symbol: "MSFT", saleTimestamp: Timestamp(1714124193, 3) }
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] )

‎source/reference/operator/aggregation/expMovingAvg.txt

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@@ -110,19 +110,19 @@ Examples
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--------
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Create a ``stockPrices`` collection that contains prices for stocks
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named ``"ABC"`` and ``"DEF"``:
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named ``"MDB"`` and ``"MSFT"``:
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.. code-block:: javascript
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db.stockPrices.insertMany( [
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{ stock: "ABC", date: new Date( "2020-05-18T20:00:00Z" ), price: 13 },
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{ stock: "ABC", date: new Date( "2020-05-19T20:00:00Z" ), price: 15.4 },
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{ stock: "ABC", date: new Date( "2020-05-20T20:00:00Z" ), price: 12 },
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{ stock: "ABC", date: new Date( "2020-05-21T20:00:00Z" ), price: 11.7 },
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{ stock: "DEF", date: new Date( "2020-05-18T20:00:00Z" ), price: 82 },
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{ stock: "DEF", date: new Date( "2020-05-19T20:00:00Z" ), price: 94 },
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{ stock: "DEF", date: new Date( "2020-05-20T20:00:00Z" ), price: 112 },
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{ stock: "DEF", date: new Date( "2020-05-21T20:00:00Z" ), price: 97.3 }
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{ stock: "MDB", date: new Date( "2020-05-18T20:00:00Z" ), price: 13 },
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{ stock: "MDB", date: new Date( "2020-05-19T20:00:00Z" ), price: 15.4 },
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{ stock: "MDB", date: new Date( "2020-05-20T20:00:00Z" ), price: 12 },
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{ stock: "MDB", date: new Date( "2020-05-21T20:00:00Z" ), price: 11.7 },
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{ stock: "MSFT", date: new Date( "2020-05-18T20:00:00Z" ), price: 82 },
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{ stock: "MSFT", date: new Date( "2020-05-19T20:00:00Z" ), price: 94 },
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{ stock: "MSFT", date: new Date( "2020-05-20T20:00:00Z" ), price: 112 },
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{ stock: "MSFT", date: new Date( "2020-05-21T20:00:00Z" ), price: 97.3 }
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] )
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Exponential Moving Average Using ``N``
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- ``partitionBy: "$stock"`` :ref:`partitions
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<setWindowFields-partitionBy>` the documents in the collection by
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``stock``. There are partitions for ``"ABC"`` and ``"DEF"``.
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``stock``. There are partitions for ``"MDB"`` and
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``"MSFT"``.
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- ``sortBy: { date: 1 }`` :ref:`sorts
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<setWindowFields-sortBy>` the documents in each partition by
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.. code-block:: javascript
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:copyable: false
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286b"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286b"), "stock" : "MDB",
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"date" : ISODate("2020-05-18T20:00:00Z"), "price" : 13,
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"expMovingAvgForStock" : 13 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286c"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286c"), "stock" : "MDB",
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"date" : ISODate("2020-05-19T20:00:00Z"), "price" : 15.4,
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"expMovingAvgForStock" : 14.6 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286d"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286d"), "stock" : "MDB",
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"date" : ISODate("2020-05-20T20:00:00Z"), "price" : 12,
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"expMovingAvgForStock" : 12.866666666666667 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286e"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286e"), "stock" : "MDB",
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"date" : ISODate("2020-05-21T20:00:00Z"), "price" : 11.7,
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"expMovingAvgForStock" : 12.088888888888889 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286f"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286f"), "stock" : "MSFT",
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"date" : ISODate("2020-05-18T20:00:00Z"), "price" : 82,
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"expMovingAvgForStock" : 82 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e62870"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e62870"), "stock" : "MSFT",
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"date" : ISODate("2020-05-19T20:00:00Z"), "price" : 94,
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"expMovingAvgForStock" : 90 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e62871"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e62871"), "stock" : "MSFT",
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"date" : ISODate("2020-05-20T20:00:00Z"), "price" : 112,
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"expMovingAvgForStock" : 104.66666666666667 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e62872"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e62872"), "stock" : "MSFT",
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"date" : ISODate("2020-05-21T20:00:00Z"), "price" : 97.3,
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"expMovingAvgForStock" : 99.75555555555556 }
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@@ -231,7 +232,8 @@ In the example:
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- ``partitionBy: "$stock"`` :ref:`partitions
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<setWindowFields-partitionBy>` the documents in the collection by
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``stock``. There are partitions for ``"ABC"`` and ``"DEF"``.
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``stock``. There are partitions for ``"MDB"`` and
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``"MSFT"``.
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- ``sortBy: { date: 1 }`` :ref:`sorts
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<setWindowFields-sortBy>` the documents in each partition by
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.. code-block:: javascript
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:copyable: false
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286b"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286b"), "stock" : "MDB",
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"date" : ISODate("2020-05-18T20:00:00Z"), "price" : 13,
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"expMovingAvgForStock" : 13 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286c"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286c"), "stock" : "MDB",
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"date" : ISODate("2020-05-19T20:00:00Z"), "price" : 15.4,
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"expMovingAvgForStock" : 14.8 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286d"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286d"), "stock" : "MDB",
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"date" : ISODate("2020-05-20T20:00:00Z"), "price" : 12,
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"expMovingAvgForStock" : 12.7 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286e"), "stock" : "ABC",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286e"), "stock" : "MDB",
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"date" : ISODate("2020-05-21T20:00:00Z"), "price" : 11.7,
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"expMovingAvgForStock" : 11.95 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286f"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e6286f"), "stock" : "MSFT",
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"date" : ISODate("2020-05-18T20:00:00Z"), "price" : 82,
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"expMovingAvgForStock" : 82 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e62870"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e62870"), "stock" : "MSFT",
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"date" : ISODate("2020-05-19T20:00:00Z"), "price" : 94,
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"expMovingAvgForStock" : 91 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e62871"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e62871"), "stock" : "MSFT",
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"date" : ISODate("2020-05-20T20:00:00Z"), "price" : 112,
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"expMovingAvgForStock" : 106.75 }
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{ "_id" : ObjectId("60d11fef833dfeadc8e62872"), "stock" : "DEF",
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{ "_id" : ObjectId("60d11fef833dfeadc8e62872"), "stock" : "MSFT",
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"date" : ISODate("2020-05-21T20:00:00Z"), "price" : 97.3,
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"expMovingAvgForStock" : 99.6625 }

‎source/reference/operator/query/exists.txt

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@@ -151,12 +151,12 @@ the following scenario:
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.. code-block:: javascript
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db.stockSales.insertMany( [
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{ _id: 0, symbol: "ABC", auditDate: new Date( "2021-05-18T16:12:23Z" ) },
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{ _id: 1, symbol: "ABC", auditDate: new Date( "2021-04-21T11:34:45Z" ) },
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{ _id: 2, symbol: "DEF", auditDate: new Date( "2021-02-24T15:11:32Z" ) },
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{ _id: 3, symbol: "DEF", auditDate: null },
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{ _id: 4, symbol: "DEF", auditDate: new Date( "2021-07-13T18:32:54Z" ) },
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{ _id: 5, symbol: "XYZ" }
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{ _id: 0, symbol: "MDB", auditDate: new Date( "2021-05-18T16:12:23Z" ) },
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{ _id: 1, symbol: "MDB", auditDate: new Date( "2021-04-21T11:34:45Z" ) },
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{ _id: 2, symbol: "MSFT", auditDate: new Date( "2021-02-24T15:11:32Z" ) },
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{ _id: 3, symbol: "MSFT", auditDate: null },
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{ _id: 4, symbol: "MSFT", auditDate: new Date( "2021-07-13T18:32:54Z" ) },
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{ _id: 5, symbol: "AAPL" }
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] )
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The document with an ``_id`` of:

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