From 284948b9cf275b792369405747c1e112a0b94a48 Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Tue, 26 Jul 2005 16:53:58 +0000
Subject: [PATCH] Fixed #166 -- Added an 'in' lookup type to the database API
git-svn-id: http://code.djangoproject.com/svn/django/trunk@318 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
django/core/meta.py | 6 ++++--
docs/db-api.txt | 2 ++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/django/core/meta.py b/django/core/meta.py
index 51cdee2b63..5780432ee4 100644
--- a/django/core/meta.py
+++ b/django/core/meta.py
@@ -1020,7 +1020,9 @@ def _get_where_clause(lookup_type, table_prefix, field_name, value):
return '%s%s %s %%s' % (table_prefix, field_name, db.OPERATOR_MAPPING[lookup_type])
except KeyError:
pass
- if lookup_type in ('range', 'year'):
+ if lookup_type == 'in':
+ return '%s%s IN (%s)' % (table_prefix, field_name, ','.join(['%s' for v in value]))
+ elif lookup_type in ('range', 'year'):
return '%s%s BETWEEN %%s AND %%s' % (table_prefix, field_name)
elif lookup_type in ('month', 'day'):
return "%s = %%s" % db.get_date_extract_sql(lookup_type, table_prefix + field_name)
@@ -1635,7 +1637,7 @@ class Field(object):
"Returns field's value prepared for database lookup."
if lookup_type in ('exact', 'gt', 'gte', 'lt', 'lte', 'ne', 'month', 'day'):
return [value]
- elif lookup_type == 'range':
+ elif lookup_type in ('range', 'in'):
return value
elif lookup_type == 'year':
return ['%s-01-01' % value, '%s-12-31' % value]
diff --git a/docs/db-api.txt b/docs/db-api.txt
index 548af52a71..91ce2e8ac2 100644
--- a/docs/db-api.txt
+++ b/docs/db-api.txt
@@ -67,6 +67,8 @@ The DB API supports the following lookup types:
lt Less than.
lte Less than or equal to.
ne Not equal to.
+ in In a given list: ``polls.get_list(id__in=[1, 3, 4])`` returns
+ a list of polls whose IDs are either 1, 3 or 4.
startswith Case-sensitive starts-with:
``polls.get_list(question_startswith="Would")``. (PostgreSQL
only. MySQL doesn't support case-sensitive LIKE statements;