From c453ad2d97a8a2b5c267d0a25bf26aab2e066de2 Mon Sep 17 00:00:00 2001
From: Sagar Vora <sagar@resilient.tech>
Date: Fri, 16 Dec 2022 22:26:17 +0530
Subject: [PATCH] perf: reuse `_doc_before_save` in `doc.get_latest`

---
 frappe/model/base_document.py | 2 ++
 frappe/model/document.py      | 7 ++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/frappe/model/base_document.py b/frappe/model/base_document.py
index 09cc34891a..445d000f1b 100644
--- a/frappe/model/base_document.py
+++ b/frappe/model/base_document.py
@@ -89,8 +89,10 @@ class BaseDocument:
 		"meta",
 		"_meta",
 		"flags",
+		"parent_doc",
 		"_table_fields",
 		"_valid_columns",
+		"_doc_before_save",
 		"_table_fieldnames",
 		"_reserved_keywords",
 		"dont_update_if_missing",
diff --git a/frappe/model/document.py b/frappe/model/document.py
index 4875d637bf..125c44e994 100644
--- a/frappe/model/document.py
+++ b/frappe/model/document.py
@@ -193,9 +193,10 @@ class Document(BaseDocument):
 		self.load_from_db()
 
 	def get_latest(self):
-		if not getattr(self, "latest", None):
-			self.latest = frappe.get_doc(self.doctype, self.name)
-		return self.latest
+		if not hasattr(self, "_doc_before_save"):
+			self.load_doc_before_save()
+
+		return self._doc_before_save
 
 	def check_permission(self, permtype="read", permlevel=None):
 		"""Raise `frappe.PermissionError` if not permitted"""