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DOCSP-41967: Insert documents #116
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@@ -0,0 +1,37 @@ | ||
<?php | ||
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require 'vendor/autoload.php'; | ||
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$uri = getenv('MONGODB_URI') ?: throw new RuntimeException('Set the MONGODB_URI variable to your Atlas URI that connects to the sample dataset'); | ||
$client = new MongoDB\Client($uri); | ||
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// start-db-coll | ||
$collection = $client->sample_restaurants->restaurants; | ||
// end-db-coll | ||
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// Inserts a document that stores a "name" value of "Mongo's Burgers" into the collection | ||
// start-insert-one | ||
$result = $collection->insertOne(['name' => 'Mongo\'s Burgers']); | ||
// end-insert-one | ||
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// Inserts documents representing restaurants into the collection | ||
// start-insert-many | ||
$restaurants = [ | ||
['name' => 'Mongo\'s Burgers'], | ||
['name' => 'Mongo\'s Pizza'] | ||
]; | ||
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$result = $collection->insertMany($restaurants); | ||
// end-insert-many | ||
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// Inserts multiple documents and instructs the insert operation to skip document-level validation | ||
// start-modify | ||
$docs = [ | ||
['name' => 'Mongo\'s Burgers'], | ||
['name' => 'Mongo\'s Pizza'], | ||
['name' => 'Mongo\'s Tacos'] | ||
]; | ||
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$result = $collection->insertMany($docs, ['bypassDocumentValidation' => true]); | ||
// end-modify | ||
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@@ -12,6 +12,7 @@ MongoDB PHP Library | |
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Get Started </get-started> | ||
/read | ||
/write | ||
/tutorial | ||
/upgrade | ||
/reference | ||
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.. _php-write: | ||
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===================== | ||
Write Data to MongoDB | ||
===================== | ||
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.. toctree:: | ||
:titlesonly: | ||
:maxdepth: 1 | ||
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/write/insert |
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.. _php-write-insert: | ||||||
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================ | ||||||
Insert Documents | ||||||
================ | ||||||
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.. contents:: On this page | ||||||
:local: | ||||||
:backlinks: none | ||||||
:depth: 2 | ||||||
:class: singlecol | ||||||
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.. facet:: | ||||||
:name: genre | ||||||
:values: reference | ||||||
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.. meta:: | ||||||
:keywords: code example, write, save, create | ||||||
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Overview | ||||||
-------- | ||||||
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In this guide, you can learn how to use the {+php-library+} to add | ||||||
documents to a MongoDB collection by performing **insert operations**. | ||||||
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An insert operation inserts one or more documents into a MongoDB collection. | ||||||
You can perform an insert operation by using the ``MongoDB\Collection::insertOne()`` | ||||||
method to insert a single document or the ``MongoDB\Collection::insertMany()`` | ||||||
method to insert one or more documents. | ||||||
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Sample Data | ||||||
~~~~~~~~~~~ | ||||||
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The examples in this guide use the ``restaurants`` collection in the ``sample_restaurants`` | ||||||
database from the :atlas:`Atlas sample datasets </sample-data>`. To access this collection | ||||||
from your PHP application, instantiate a ``MongoDB\Client`` that connects to an Atlas cluster | ||||||
and assign the following value to your ``collection`` variable: | ||||||
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.. literalinclude:: /includes/write/insert.php | ||||||
:language: php | ||||||
:dedent: | ||||||
:start-after: start-db-coll | ||||||
:end-before: end-db-coll | ||||||
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To learn how to create a free MongoDB Atlas cluster and load the sample datasets, see the | ||||||
:atlas:`Get Started with Atlas </getting-started>` guide. | ||||||
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The ``_id`` Field | ||||||
----------------- | ||||||
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In a MongoDB collection, each document *must* contain an ``_id`` field | ||||||
with a unique field value. | ||||||
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MongoDB allows you to manage this field in two ways: | ||||||
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- Set the ``_id`` field for each document yourself, ensuring each | ||||||
value is unique. | ||||||
- Let the driver automatically generate unique ``ObjectId`` | ||||||
values for each document ``_id`` field. | ||||||
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Unless you can guarantee uniqueness, we recommend | ||||||
letting the driver automatically generate ``_id`` values. | ||||||
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.. note:: | ||||||
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Duplicate ``_id`` values violate unique index constraints, which | ||||||
causes the driver to return a ``MongoDB\Driver\Exception\BulkWriteException`` | ||||||
error. | ||||||
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To learn more about the ``_id`` field, see the | ||||||
:manual:`Unique Indexes </core/index-unique/>` guide in the {+mdb-server+} manual. | ||||||
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To learn more about document structure and rules, see the | ||||||
:manual:`Documents </core/document>` guide in the {+mdb-server+} manual. | ||||||
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Insert One Document | ||||||
------------------- | ||||||
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To add a single document to a MongoDB collection, call the ``MongoDB\Collection::insertOne()`` | ||||||
method and pass the document you want to add. | ||||||
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The following example inserts a document into the ``restaurants`` collection: | ||||||
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.. literalinclude:: /includes/write/insert.php | ||||||
:language: php | ||||||
:dedent: | ||||||
:start-after: start-insert-one | ||||||
:end-before: end-insert-one | ||||||
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Insert Multiple Documents | ||||||
------------------------- | ||||||
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To add multiple documents to a MongoDB collection, call the ``MongoDB\Collection::insertMany()`` | ||||||
method and pass an array that contains the documents you want to add. | ||||||
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Suggested change
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The following example inserts two documents into the ``restaurants`` collection: | ||||||
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.. literalinclude:: /includes/write/insert.php | ||||||
:language: php | ||||||
:dedent: | ||||||
:start-after: start-insert-many | ||||||
:end-before: end-insert-many | ||||||
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Modify Insert Behavior | ||||||
---------------------- | ||||||
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You can modify the behavior of the ``MongoDB\Collection::insertOne()`` and | ||||||
``MongoDB\Collection::insertMany()`` methods by passing an array that specifies | ||||||
option values as a parameter. The following table describes some options | ||||||
you can set in the array: | ||||||
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.. list-table:: | ||||||
:widths: 30 70 | ||||||
:header-rows: 1 | ||||||
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* - Field | ||||||
- Description | ||||||
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* - ``bypassDocumentValidation`` | ||||||
- | If set to ``true``, allows the write operation to opt out of | ||||||
:manual:`document-level validation </core/schema-validation>`. | ||||||
| Defaults to ``false``. | ||||||
| **Type**: ``bool`` | ||||||
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* - ``writeConcern`` | ||||||
- | Sets the write concern for the operation. | ||||||
| Defaults to the write concern of the namespace. | ||||||
| **Type**: ``MongoDB\Driver\WriteConcern`` | ||||||
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* - ``ordered`` | ||||||
- | If set to ``true``, the operation stops inserting documents when one insert | ||||||
fails. If ``false``, the operation continues to insert the remaining documents | ||||||
when one insert fails. You cannot pass this option to the ``insertOne()`` method. | ||||||
| Defaults to ``true``. | ||||||
| **Type**: ``bool`` | ||||||
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* - ``comment`` | ||||||
- | A comment to attach to the operation. For more information, see the :manual:`insert command | ||||||
fields </reference/command/insert/#command-fields>` guide in the | ||||||
{+mdb-server+} manual. | ||||||
| **Type**: any valid BSON type | ||||||
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Example | ||||||
~~~~~~~ | ||||||
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The following code uses the ``insertMany()`` method to insert three new | ||||||
documents into a collection. Because the ``bypassDocumentValidation`` field | ||||||
is set to ``true`` in an options array, this | ||||||
insert operation bypasses document-level validation: | ||||||
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.. literalinclude:: /includes/write/insert.php | ||||||
:language: php | ||||||
:dedent: | ||||||
:start-after: start-modify | ||||||
:end-before: end-modify | ||||||
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Additional Information | ||||||
---------------------- | ||||||
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.. TODO: | ||||||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Will this be addressed in a follow-up ticket? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Yes, there will be a final cleanup ticket that resolves all the TODOs |
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For runnable code examples of inserting documents with the {+php-library+}, see | ||||||
:ref:`php-write`. | ||||||
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API Documentation | ||||||
~~~~~~~~~~~~~~~~~ | ||||||
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To learn more about any of the methods or types discussed in this | ||||||
guide, see the following API documentation: | ||||||
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- `MongoDB\\Collection::insertOne() <{+api+}/method/MongoDBCollection-insertOne/>`__ | ||||||
- `MongoDB\\Collection::insertMany() <{+api+}/method/MongoDBCollection-insertMany/>`__ |
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Personal opinion: with a list it's easier to read.