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Negligible space changes to django/db/models/query.py

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@4986 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2007-04-09 15:35:19 +00:00
parent bbeb62c9af
commit 4ee7a7be95
1 changed files with 11 additions and 11 deletions
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22
django/db/models/query.py
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@ -189,7 +189,7 @@ class QuerySet(object):
raise StopIteration raise StopIteration
for row in rows: for row in rows:
if fill_cache: if fill_cache:
obj, index_end = get_cached_row(klass=self.model, row=row, obj, index_end = get_cached_row(klass=self.model, row=row,
index_start=0, max_depth=self._max_related_depth) index_start=0, max_depth=self._max_related_depth)
else: else:
obj = self.model(*row[:index_end]) obj = self.model(*row[:index_end])
@ -201,14 +201,14 @@ class QuerySet(object):
""" """
Performs a SELECT COUNT() and returns the number of records as an Performs a SELECT COUNT() and returns the number of records as an
integer. integer.
If the queryset is already cached (i.e. self._result_cache is set) this If the queryset is already cached (i.e. self._result_cache is set) this
simply returns the length of the cached results set to avoid multiple simply returns the length of the cached results set to avoid multiple
SELECT COUNT(*) calls. SELECT COUNT(*) calls.
""" """
if self._result_cache is not None: if self._result_cache is not None:
return len(self._result_cache) return len(self._result_cache)
counter = self._clone() counter = self._clone()
counter._order_by = () counter._order_by = ()
counter._select_related = False counter._select_related = False
@ -488,9 +488,9 @@ class QuerySet(object):
# Add additional tables and WHERE clauses based on select_related. # Add additional tables and WHERE clauses based on select_related.
if self._select_related: if self._select_related:
fill_table_cache(opts, select, tables, where, fill_table_cache(opts, select, tables, where,
old_prefix=opts.db_table, old_prefix=opts.db_table,
cache_tables_seen=[opts.db_table], cache_tables_seen=[opts.db_table],
max_depth=self._max_related_depth) max_depth=self._max_related_depth)
# Add any additional SELECTs. # Add any additional SELECTs.
@ -738,11 +738,11 @@ def get_where_clause(lookup_type, table_prefix, field_name, value):
def get_cached_row(klass, row, index_start, max_depth=0, cur_depth=0): def get_cached_row(klass, row, index_start, max_depth=0, cur_depth=0):
"""Helper function that recursively returns an object with cache filled""" """Helper function that recursively returns an object with cache filled"""
# If we've got a max_depth set and we've exceeded that depth, bail now. # If we've got a max_depth set and we've exceeded that depth, bail now.
if max_depth and cur_depth > max_depth: if max_depth and cur_depth > max_depth:
return None return None
index_end = index_start + len(klass._meta.fields) index_end = index_start + len(klass._meta.fields)
obj = klass(*row[index_start:index_end]) obj = klass(*row[index_start:index_end])
for f in klass._meta.fields: for f in klass._meta.fields:
@ -758,11 +758,11 @@ def fill_table_cache(opts, select, tables, where, old_prefix, cache_tables_seen,
Helper function that recursively populates the select, tables and where (in Helper function that recursively populates the select, tables and where (in
place) for select_related queries. place) for select_related queries.
""" """
# If we've got a max_depth set and we've exceeded that depth, bail now. # If we've got a max_depth set and we've exceeded that depth, bail now.
if max_depth and cur_depth > max_depth: if max_depth and cur_depth > max_depth:
return None return None
qn = backend.quote_name qn = backend.quote_name
for f in opts.fields: for f in opts.fields:
if f.rel and not f.null: if f.rel and not f.null:
@ -826,7 +826,7 @@ def parse_lookup(kwarg_items, opts):
# Interpret '__exact=None' as the sql '= NULL'; otherwise, reject # Interpret '__exact=None' as the sql '= NULL'; otherwise, reject
# all uses of None as a query value. # all uses of None as a query value.
if lookup_type != 'exact': if lookup_type != 'exact':
raise ValueError, "Cannot use None as a query value" raise ValueError, "Cannot use None as a query value"
elif callable(value): elif callable(value):
value = value() value = value()