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Sphinxsearch database backend for django>=2.0

Project description

# Django-sphinxsearch

[SphinxSearch]( database backend for [Django](

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[![PyPI version](](

* Not a [django_sphinx_db]( fork
* `Django==2.0` supported

## Installation and usage

1. Install django-sphinxsearch package

pip install django_sphinxsearch

2. Configure Django settings




'ENGINE': 'sphinxsearch.backend.sphinx',
'HOST': '',
'PORT': 9306,

DATABASE_ROUTERS = ['sphinxsearch.routers.SphinxRouter']

3. Create index definitions in sphinx.conf

index testapp_testmodel
type = rt
path = /data/sphinx/testapp/testmodel/

rt_field = sphinx_field
rt_attr_uint = attr_uint
rt_attr_bool = attr_bool
rt_attr_bigint = attr_bigint
rt_attr_float = attr_float
rt_attr_multi = attr_multi
rt_attr_multi_64 = attr_multi_64
rt_attr_timestamp = attr_timestamp
rt_attr_string = attr_string
rt_attr_json = attr_json

4. Define Django model for index

import six
from datetime import datetime
from django.db import models

from jsonfield.fields import JSONField

from sphinxsearch import sql
from sphinxsearch import models as spx_models

class FieldMixin(spx_models.SphinxModel):
# Note that NULL values are not allowed for sphinx rt-index.
# Indexed text field. If no attribute with same name defined, can't be
# retrieved from index.

class Meta:
abstract = True

# Indexed text field. If no attribute with same name defined, can't be
# retrieved from index.
sphinx_field = spx_models.SphinxField(default='')
other_field = spx_models.SphinxField(default='')

# Numeric attributes
attr_uint = spx_models.SphinxIntegerField(default=0, db_column='attr_uint_')
attr_bigint = spx_models.SphinxBigIntegerField(default=0)
attr_float = models.FloatField(default=0.0)
attr_timestamp = spx_models.SphinxDateTimeField(
attr_bool = models.BooleanField(default=False)

# String attributes
attr_string = models.CharField(max_length=32, default='')
attr_json = JSONField(default={})

# Multi-value fields (sets of integer values)
attr_multi = spx_models.SphinxMultiField(default=[])
attr_multi_64 = spx_models.SphinxMulti64Field(default=[])

class TestModel(FieldMixin, spx_models.SphinxModel):

5. Query index from your app


# Numeric attributes filtering
TestModel.objects.filter(attr_uint=0, attr_float__gte=10, attr_multi__in=[1, 2])

# For sphinxsearch>=2.2.7, string attr filtering enabled
TestModel.objects.filter(attr_string='some test')

# Use mysql-fulltext-search filtering:

TestModel.objects.filter(sphinx_field__search='find me')

# Run match queries
'find in all fields',
sphinx_field='only in this field')

# Insert and update documents to index

obj = TestModel.objects.create(**values)
obj.attr_uint = 1


## Notes for production usage

* Sphinxsearch engine has some issues with SQL-syntax support, and they vary
from one version to another. I.e. float attributes are not comparable,
string attributes were not comparable till v2.2.7.
* Without limits sphinxsearch returns only 20 matched documents.
* uint attributes accept -1 but return it as unsigned 32bit integer.
* bigint accept 2**63 + 1 but return it as signed 64bit integer.
* use SphinxIntegerField and SphinxBigIntegerField instead of IntegerField and
BigIntegerField from django.db.models, because IN is an expression in
SQL (`value IN column`), but a function (`IN(value, column)`) in sphinxsearch.

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