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Elasticsearch DSL Examples
==========================
In this directory you can see several complete examples demonstrating key
concepts and patterns exposed by ``elasticsearch-dsl``.
``alias_migration.py``
----------------------
The alias migration example shows a useful pattern where we use versioned
indices (``test-blog-0``, ``test-blog-1``, ...) to manage schema changes and
hides that behind an alias so that the application doesn't have to be aware of
the versions and just refer to the ``test-blog`` alias for both read and write
operations.
For simplicity we use a timestamp as version in the index name.
``parent_child.py``
-------------------
More complex example highlighting the possible relationships available in
elasticsearch - `parent/child
<https://www.elastic.co/guide/en/elasticsearch/reference/6.3/nested.html>`_ and
`nested
<https://www.elastic.co/guide/en/elasticsearch/reference/6.3/nested.html>`_.
``composite_agg.py``
--------------------
A helper function using the `composite aggregation
<https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-composite-aggregation.html>`_
to paginate over aggregation results.
``percolate.py``
----------------
A ``BlogPost`` document with automatic classification using the `percolator
<https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-percolate-query.html>`_
functionality.
``completion.py``
-----------------
As example using `completion suggester
<https://www.elastic.co/guide/en/elasticsearch/reference/current/search-suggesters-completion.html>`_
to auto complete people's names.
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