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Created special PostgreSQL text indexes when unique is True 

Refs #19441.
This commit is contained in:
Claude Paroz 2013-01-07 17:54:30 +01:00
parent a890469d3b
commit c698c55966
3 changed files with 5 additions and 2 deletions
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2
django/db/backends/postgresql_psycopg2/creation.py
View File

@ -42,7 +42,7 @@ class DatabaseCreation(BaseDatabaseCreation):
def sql_indexes_for_field(self, model, f, style): def sql_indexes_for_field(self, model, f, style):
output = [] output = []
if f.db_index: if f.db_index or f.unique:
qn = self.connection.ops.quote_name qn = self.connection.ops.quote_name
db_table = model._meta.db_table db_table = model._meta.db_table
tablespace = f.db_tablespace or model._meta.db_tablespace tablespace = f.db_tablespace or model._meta.db_tablespace

3
docs/ref/models/fields.txt
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@ -272,6 +272,9 @@ field, a :exc:`django.db.IntegrityError` will be raised by the model's
This option is valid on all field types except :class:`ManyToManyField` and This option is valid on all field types except :class:`ManyToManyField` and
:class:`FileField`. :class:`FileField`.
Note that when ``unique`` is ``True``, you don't need to specify
:attr:`~Field.db_index`, because ``unique`` implies the creation of an index.
``unique_for_date`` ``unique_for_date``
------------------- -------------------

2
tests/regressiontests/indexes/models.py
View File

@ -17,4 +17,4 @@ if connection.vendor == 'postgresql':
class IndexedArticle(models.Model): class IndexedArticle(models.Model):
headline = models.CharField(max_length=100, db_index=True) headline = models.CharField(max_length=100, db_index=True)
body = models.TextField(db_index=True) body = models.TextField(db_index=True)
slug = models.CharField(max_length=40, unique=True, db_index=True) slug = models.CharField(max_length=40, unique=True)