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Implementation of PostgreSQL Full Text Search for django 1.7

Project Description


Implementation PostgeSQL for Full Text Search for django 1.7, taking advantage of new features Migrations and Custom Lookups.


- FieldLookup's search, isearch, tsquery

- Ranking support with normalization, and weights using annotations

- Migrations classes to help create and remove index's, support for 'gin' or 'gist'

- Migrations classes to help create and remove of trigger's

- Multiple dictionaries support with trigger and FieldLookup's

- Support for python 2.7, 3.3 and 3.4

With multiple dictionary support, index and trigger migrations

How it works

For a existing model::

class Article(models.Model):
title = models.CharField(max_length=255)
article = models.TextField()

You want to have full text search in fields title and article, and make give weight to title of 'A'.

Import TSVectorField::

from pg_fts.fields import TSVectorField

Add to existing TSVectorField to model and tell the fields that you want to index and the dictionary::

fts = TSVectorField(fields=(('title', 'A'), 'article'), dictionary='english')

Create migrations file::

python makemigrations article

Open the new created migration and import CreateFTSIndexOperation, CreateFTSTriggerOperation, UpdateVectorOperation::

from pg_fts.migrations import (CreateFTSIndexOperation, CreateFTSTriggerOperation,

And add to the end of operations::

# update vector for already existing data
# create trigger for automatic insert and update vector
# create gin index for vector

Make the changes to your database::

python migrate article

Now you have a full text search performance with a trigger that checks any changes in the tracked fields and updates vector field.

You can search will match all words:

>>> Article.objects.filter(fts__search='waz up')

Will result in sql something like:

.. code-block:: sql

tsvector @@ to_tsquery('english', 'waz & up')

Or isearch will match some words:

>>> Article.objects.filter(fts__isearch='waz up')

Will result in sql something like:

.. code-block:: sql

tsvector @@ to_tsquery('english', 'waz | up')

But you can make a raw tsquery:

>>> Article.objects.filter(fts__tsquery='waz & !up')

Will result in sql something like:

.. code-block:: sql

tsvector @@ to_tsquery('english', 'waz & !up')

And also rank the results with normalization and order:

>>> from pg_fts.ranks import FTSRank
>>> Article.objects.filter(
rank=FTSRank(fts_search='waz up', normalization=[1,3])).order_by('-rank')

For multiple dictionaries and more advanced options, check the `documentation <>`_.


Documentation available in `Read The Docs <>`_


Clone from GitHub::

git clone git:// django-pg-fts

You should run the tests::


Or running tox for py27, py33, py34::


Install using pip from github::

pip install git+

Or using


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