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Code Issues 25 Releases Wiki Activity

Removed unnecessary Query.get_loaded_field_names_cb() and Query.deferred_to_data()'s callback argument.

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This commit is contained in:
Mariusz Felisiak 2022-03-31 07:40:32 +02:00
parent 0a3c6fe6b2
commit d7eb500338
2 changed files with 6 additions and 13 deletions
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2
django/db/models/sql/compiler.py
View File

@ -1295,7 +1295,7 @@ class SQLCompiler:
dictionary.
"""
columns = {}
self.query.deferred_to_data(columns, self.query.get_loaded_field_names_cb)
self.query.deferred_to_data(columns)
return columns
def get_converters(self, expressions):

17
django/db/models/sql/query.py
View File

@ -703,7 +703,7 @@ class Query(BaseExpression):
self.order_by = rhs.order_by or self.order_by
self.extra_order_by = rhs.extra_order_by or self.extra_order_by
def deferred_to_data(self, target, callback):
def deferred_to_data(self, target):
"""
Convert the self.deferred_loading data structure to an alternate data
structure, describing the field that *will* be loaded. This is used to
@ -713,9 +713,6 @@ class Query(BaseExpression):
the result, only those that have field restrictions in place.
The "target" parameter is the instance that is populated (in place).
The "callback" is a function that is called whenever a (model, field)
pair need to be added to "target". It accepts three parameters:
"target", and the model and list of fields being added for that model.
"""
field_names, defer = self.deferred_loading
if not field_names:
@ -770,8 +767,8 @@ class Query(BaseExpression):
# "else" branch here.
if model in workset:
workset[model].update(values)
for model, values in workset.items():
callback(target, model, values)
for model, fields in workset.items():
target[model] = {f.attname for f in fields}
else:
for model, values in must_include.items():
if model in seen:
@ -786,8 +783,8 @@ class Query(BaseExpression):
# only "must include" fields are pulled in.
for model in orig_opts.get_parent_list():
seen.setdefault(model, set())
for model, values in seen.items():
callback(target, model, values)
for model, fields in seen.items():
target[model] = {f.attname for f in fields}
def table_alias(self, table_name, create=False, filtered_relation=None):
"""
@ -2341,10 +2338,6 @@ class Query(BaseExpression):
# Replace any existing "immediate load" field names.
self.deferred_loading = frozenset(field_names), False
def get_loaded_field_names_cb(self, target, model, fields):
"""Callback used by get_deferred_field_names()."""
target[model] = {f.attname for f in fields}
def set_annotation_mask(self, names):
"""Set the mask of annotations that will be returned by the SELECT."""
if names is None: