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Code Issues 25 Releases Wiki Activity

Avoided unnecessary recompilation of ordering clause regex in SQLCompiler.

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Adam Johnson 2020-04-22 19:28:01 +01:00 committed by GitHub
parent 060d9d4229
commit 67f9d076cf
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1 changed files with 7 additions and 2 deletions
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9
django/db/models/sql/compiler.py
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@ -16,9 +16,16 @@ from django.db.models.sql.query import Query, get_order_dir
from django.db.transaction import TransactionManagementError
from django.utils.functional import cached_property
from django.utils.hashable import make_hashable
from django.utils.regex_helper import _lazy_re_compile
class SQLCompiler:
# Multiline ordering SQL clause may appear from RawSQL.
ordering_parts = _lazy_re_compile(
r'^(.*)\s(?:ASC|DESC).*',
re.MULTILINE | re.DOTALL,
)
def __init__(self, query, connection, using):
self.query = query
self.connection = connection
@ -31,8 +38,6 @@ class SQLCompiler:
self.select = None
self.annotation_col_map = None
self.klass_info = None
# Multiline ordering SQL clause may appear from RawSQL.
self.ordering_parts = re.compile(r'^(.*)\s(ASC|DESC)(.*)', re.MULTILINE | re.DOTALL)
self._meta_ordering = None
def setup_query(self):