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reverted changes from [1534] and [1536] regarding ticket #966 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1541 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Georg Bauer 2005-12-04 18:54:44 +00:00
parent e19edfbea0
commit c464e57da9
6 changed files with 42 additions and 72 deletions
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6
django/core/db/backends/ado_mssql.py
View File

@ -132,12 +132,6 @@ OPERATOR_MAPPING = {
'endswith': 'LIKE %s',
'istartswith': 'LIKE %s',
'iendswith': 'LIKE %s',
'notcontains': 'NOT LIKE %s',
'notstartswith': 'NOT LIKE %s',
'notendswith': 'NOT LIKE %s',
'inotcontains': 'NOT LIKE %s',
'inotstartswith': 'NOT LIKE %s',
'inotendswith': 'NOT LIKE %s',
}
DATA_TYPES = {

6
django/core/db/backends/mysql.py
View File

@ -146,12 +146,6 @@ OPERATOR_MAPPING = {
'endswith': 'LIKE BINARY %s',
'istartswith': 'LIKE %s',
'iendswith': 'LIKE %s',
'notcontains': 'NOT LIKE BINARY %s',
'notstartswith': 'NOT LIKE BINARY %s',
'notendswith': 'NOT LIKE BINARY %s',
'inotcontains': 'NOT LIKE %s',
'inotstartswith': 'NOT LIKE %s',
'inotendswith': 'NOT LIKE %s',
}
# This dictionary maps Field objects to their associated MySQL column

6
django/core/db/backends/postgresql.py
View File

@ -151,12 +151,6 @@ OPERATOR_MAPPING = {
'endswith': 'LIKE %s',
'istartswith': 'ILIKE %s',
'iendswith': 'ILIKE %s',
'notcontains': 'NOT LIKE %s',
'notstartswith': 'NOT LIKE %s',
'notendswith': 'NOT LIKE %s',
'inotcontains': 'NOT ILIKE %s',
'inotstartswith': 'NOT ILIKE %s',
'inotendswith': 'NOT ILIKE %s',
}
# This dictionary maps Field objects to their associated PostgreSQL column

6
django/core/db/backends/sqlite3.py
View File

@ -153,12 +153,6 @@ OPERATOR_MAPPING = {
'endswith': "LIKE %s ESCAPE '\\'",
'istartswith': "LIKE %s ESCAPE '\\'",
'iendswith': "LIKE %s ESCAPE '\\'",
'notcontains': "NOT LIKE %s ESCAPE '\\'",
'notstartswith': "NOT LIKE %s ESCAPE '\\'",
'notendswith': "NOT LIKE %s ESCAPE '\\'",
'inotcontains': "NOT LIKE %s ESCAPE '\\'",
'inotstartswith': "NOT LIKE %s ESCAPE '\\'",
'inotendswith': "NOT LIKE %s ESCAPE '\\'",
}
# SQLite doesn't actually support most of these types, but it "does the right

6
django/core/meta/fields.py
View File

@ -181,13 +181,13 @@ class Field(object):
return value
elif lookup_type == 'year':
return ['%s-01-01' % value, '%s-12-31' % value]
elif lookup_type in ('contains', 'icontains', 'notcontains', 'inotcontains'):
elif lookup_type in ('contains', 'icontains'):
return ["%%%s%%" % prep_for_like_query(value)]
elif lookup_type == 'iexact':
return [prep_for_like_query(value)]
elif lookup_type in ('startswith', 'istartswith', 'notstartswith', 'inotstartswith'):
elif lookup_type in ('startswith', 'istartswith'):
return ["%s%%" % prep_for_like_query(value)]
elif lookup_type in ('endswith', 'iendswith', 'notendswith', 'inotendswith'):
elif lookup_type in ('endswith', 'iendswith'):
return ["%%%s" % prep_for_like_query(value)]
elif lookup_type == 'isnull':
return []

84
docs/db-api.txt
View File

@ -152,51 +152,45 @@ translates (roughly) into the following SQL::
The DB API supports the following lookup types:
============= ==============================================================
Type Description
============= ==============================================================
exact Exact match: ``polls.get_object(id__exact=14)``.
iexact Case-insensitive exact match:
``polls.get_list(slug__iexact="foo")`` matches a slug of
``foo``, ``FOO``, ``fOo``, etc.
contains Case-sensitive containment test:
``polls.get_list(question__contains="spam")`` returns all polls
that contain "spam" in the question. (PostgreSQL and MySQL
only. SQLite doesn't support case-sensitive LIKE statements;
``contains`` will act like ``icontains`` for SQLite.)
notcontains negated ``contains``
icontains Case-insensitive containment test.
inotcontains negated ``icontains``
gt Greater than: ``polls.get_list(id__gt=4)``.
gte Greater than or equal to.
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
and MySQL only. SQLite doesn't support case-sensitive LIKE
statements; ``startswith`` will act like ``istartswith`` for
SQLite.)
notstartswith negated ``startswith``
endswith Case-sensitive ends-with. (PostgreSQL and MySQL only.)
notendswith negated ``endswith``
istartswith Case-insensitive starts-with.
inotstartswith negated ``istartswith``
iendswith Case-insensitive ends-with.
inotendswith negated ``iendswith``
range Range test:
``polls.get_list(pub_date__range=(start_date, end_date))``
returns all polls with a pub_date between ``start_date``
and ``end_date`` (inclusive).
year For date/datetime fields, exact year match:
``polls.get_count(pub_date__year=2005)``.
month For date/datetime fields, exact month match.
day For date/datetime fields, exact day match.
isnull True/False; does is IF NULL/IF NOT NULL lookup:
``polls.get_list(expire_date__isnull=True)``.
============= ==============================================================
=========== ==============================================================
Type Description
=========== ==============================================================
exact Exact match: ``polls.get_object(id__exact=14)``.
iexact Case-insensitive exact match:
``polls.get_list(slug__iexact="foo")`` matches a slug of
``foo``, ``FOO``, ``fOo``, etc.
contains Case-sensitive containment test:
``polls.get_list(question__contains="spam")`` returns all polls
that contain "spam" in the question. (PostgreSQL and MySQL
only. SQLite doesn't support case-sensitive LIKE statements;
``contains`` will act like ``icontains`` for SQLite.)
icontains Case-insensitive containment test.
gt Greater than: ``polls.get_list(id__gt=4)``.
gte Greater than or equal to.
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
and MySQL only. SQLite doesn't support case-sensitive LIKE
statements; ``startswith`` will act like ``istartswith`` for
SQLite.)
endswith Case-sensitive ends-with. (PostgreSQL and MySQL only.)
istartswith Case-insensitive starts-with.
iendswith Case-insensitive ends-with.
range Range test:
``polls.get_list(pub_date__range=(start_date, end_date))``
returns all polls with a pub_date between ``start_date``
and ``end_date`` (inclusive).
year For date/datetime fields, exact year match:
``polls.get_count(pub_date__year=2005)``.
month For date/datetime fields, exact month match.
day For date/datetime fields, exact day match.
isnull True/False; does is IF NULL/IF NOT NULL lookup:
``polls.get_list(expire_date__isnull=True)``.
=========== ==============================================================
Multiple lookups are allowed, of course, and are translated as "AND"s::