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perf: use estimated rows instead of actual rows (backport #38830) (#38875)

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* perf: use estimated rows instead of actual rows (#38830)

(cherry picked from commit 9983283f95)

# Conflicts:
#	erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.py

* chore: conflicts

---------

Co-authored-by: Ankush Menat <ankush@frappe.io>
This commit is contained in:
mergify[bot]
2023-12-20 18:17:41 +05:30
committed by GitHub
parent c48c8b8ddb
commit 4d1ccd9e27
1 changed files with 13 additions and 2 deletions
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15
erpnext/stock/report/batch_wise_balance_history/batch_wise_balance_history.py
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@@ -4,7 +4,7 @@
import frappe
from frappe import _
from frappe.utils import cint, flt, getdate
from frappe.utils import cint, flt, get_table_name, getdate
from pypika import functions as fn
from erpnext.stock.doctype.warehouse.warehouse import apply_warehouse_filter
@@ -12,11 +12,22 @@ from erpnext.stock.doctype.warehouse.warehouse import apply_warehouse_filter
SLE_COUNT_LIMIT = 10_000
def _estimate_table_row_count(doctype: str):
table = get_table_name(doctype)
return cint(
frappe.db.sql(
f"""select table_rows
from information_schema.tables
where table_name = '{table}' ;"""
)[0][0]
)
def execute(filters=None):
if not filters:
filters = {}
sle_count = frappe.db.count("Stock Ledger Entry")
sle_count = _estimate_table_row_count("Stock Ledger Entry")
if sle_count > SLE_COUNT_LIMIT and not filters.get("item_code") and not filters.get("warehouse"):
frappe.throw(_("Please select either the Item or Warehouse filter to generate the report."))