[report][performance] Speed increased by approx 10 times in Trial Balance, General Ledger, AR/AP, Balance Sheet and P&L Statement

erpnext/accounts/doctype/journal_entry/journal_entry.py

@@ -544,7 +544,7 @@ def get_against_jv(doctype, txt, searchfield, start, page_len, filters):
 		and (ifnull(jv_detail.against_invoice, '') = '' and ifnull(jv_detail.against_voucher, '') = ''
 		and ifnull(jv_detail.against_jv, '') = '' )
 		and jv.docstatus = 1 and jv.{0} like %s order by jv.name desc limit %s, %s""".format(searchfield),
-		(filters["account"], cstr(filters["party"]), "%{0}%".format(txt), start, page_len))
+		(filters.get("account"), cstr(filters.get("party")), "%{0}%".format(txt), start, page_len))
 
 @frappe.whitelist()
 def get_outstanding(args):

erpnext/accounts/report/accounts_receivable/accounts_receivable.py

@@ -51,7 +51,7 @@ class ReceivablePayableReport(object):
 		currency_precision = get_currency_precision() or 2
 		dr_or_cr = "debit" if args.get("party_type") == "Customer" else "credit"
 
-		voucher_details = self.get_voucher_details()
+		voucher_details = self.get_voucher_details(args.get("party_type"))
 
 		future_vouchers = self.get_entries_after(self.filters.report_date, args.get("party_type"))
 
@@ -153,13 +153,15 @@ class ReceivablePayableReport(object):
 
 		return self.party_map
 
-	def get_voucher_details(self):
+	def get_voucher_details(self, party_type):
 		voucher_details = frappe._dict()
 		
+		if party_type == "Customer":
 			for si in frappe.db.sql("""select name, due_date
 				from `tabSales Invoice` where docstatus=1""", as_dict=1):
 					voucher_details.setdefault(si.name, si)
 
+		if party_type == "Supplier":
 			for pi in frappe.db.sql("""select name, due_date, bill_no, bill_date
 				from `tabPurchase Invoice` where docstatus=1""", as_dict=1):
 					voucher_details.setdefault(pi.name, pi)
@@ -169,7 +171,8 @@ class ReceivablePayableReport(object):
 	def get_gl_entries(self, party_type):
 		if not hasattr(self, "gl_entries"):
 			conditions, values = self.prepare_conditions(party_type)
-			self.gl_entries = frappe.db.sql("""select * from `tabGL Entry`
+			self.gl_entries = frappe.db.sql("""select posting_date, account, party_type, party, debit, credit,
+				voucher_type, voucher_no, against_voucher_type, against_voucher from `tabGL Entry`
 				where docstatus < 2 and party_type=%s {0} order by posting_date, party"""
 				.format(conditions), values, as_dict=True)
 

erpnext/accounts/report/financial_statements.py

@@ -83,7 +83,7 @@ def get_data(company, root_type, balance_must_be, period_list, ignore_closing_en
 	gl_entries_by_account = get_gl_entries(company, period_list[0]["from_date"], period_list[-1]["to_date"],
 		accounts[0].lft, accounts[0].rgt, ignore_closing_entries=ignore_closing_entries)
 
-	calculate_values(accounts, gl_entries_by_account, period_list)
+	calculate_values(accounts_by_name, gl_entries_by_account, period_list)
 	accumulate_values_into_parents(accounts, accounts_by_name, period_list)
 	out = prepare_data(accounts, balance_must_be, period_list)
 
@@ -92,13 +92,11 @@ def get_data(company, root_type, balance_must_be, period_list, ignore_closing_en
 
 	return out
 
-def calculate_values(accounts, gl_entries_by_account, period_list):
+def calculate_values(accounts_by_name, gl_entries_by_account, period_list):
-	for d in accounts:
+	for entries in gl_entries_by_account.values():
-		for name in ([d.name] + (d.collapsed_children or [])):
+		for entry in entries:
-			for entry in gl_entries_by_account.get(name, []):
+			d = accounts_by_name.get(entry.account)
 			for period in period_list:
-					entry.posting_date = getdate(entry.posting_date)
-
 				# check if posting date is within the period
 				if entry.posting_date <= period.to_date:
 					d[period.key] = d.get(period.key, 0.0) + flt(entry.debit) - flt(entry.credit)
@@ -159,22 +157,8 @@ def add_total_row(out, balance_must_be, period_list):
 	out.append({})
 
 def get_accounts(company, root_type):
-	# root lft, rgt
+	return frappe.db.sql("""select name, parent_account, lft, rgt, root_type, report_type, account_name from `tabAccount`
-	root_account = frappe.db.sql("""select lft, rgt from `tabAccount`
+		where company=%s and root_type=%s order by lft""", (company, root_type), as_dict=True)
-		where company=%s and root_type=%s and ifnull(parent_account, '') = ''
-		order by lft limit 1""",
-		(company, root_type), as_dict=True)
-
-	if not root_account:
-		return None
-
-	lft, rgt = root_account[0].lft, root_account[0].rgt
-
-	accounts = frappe.db.sql("""select * from `tabAccount`
-		where company=%(company)s and lft >= %(lft)s and rgt <= %(rgt)s order by lft""",
-		{ "company": company, "lft": lft, "rgt": rgt }, as_dict=True)
-
-	return accounts
 
 def filter_accounts(accounts, depth=10):
 	parent_children_map = {}
@@ -196,14 +180,6 @@ def filter_accounts(accounts, depth=10):
 				filtered_accounts.append(child)
 				add_to_list(child.name, level + 1)
 
-		else:
-			# include all children at level lower than the depth
-			parent_account = accounts_by_name[parent]
-			parent_account["collapsed_children"] = []
-			for d in accounts:
-				if d.lft > parent_account.lft and d.rgt < parent_account.rgt:
-					parent_account["collapsed_children"].append(d.name)
-
 	add_to_list(None, 0)
 
 	return filtered_accounts, accounts_by_name
@@ -234,7 +210,7 @@ def get_gl_entries(company, from_date, to_date, root_lft, root_rgt, ignore_closi
 	if from_date:
 		additional_conditions.append("and posting_date >= %(from_date)s")
 
-	gl_entries = frappe.db.sql("""select * from `tabGL Entry`
+	gl_entries = frappe.db.sql("""select posting_date, account, debit, credit from `tabGL Entry`
 		where company=%(company)s
 		{additional_conditions}
 		and posting_date <= %(to_date)s

erpnext/accounts/report/general_ledger/general_ledger.py

@@ -66,7 +66,7 @@ def get_gl_entries(filters):
 
 	gl_entries = frappe.db.sql("""select posting_date, account, party_type, party,
 			sum(ifnull(debit, 0)) as debit, sum(ifnull(credit, 0)) as credit,
-			voucher_type, voucher_no, cost_center, remarks, is_opening, against
+			voucher_type, voucher_no, cost_center, remarks, against
 		from `tabGL Entry`
 		where company=%(company)s {conditions}
 		{group_by_condition}
@@ -92,6 +92,9 @@ def get_conditions(filters):
 	if filters.get("party"):
 		conditions.append("party=%(party)s")
 		
+	if not (filters.get("account") or filters.get("party") or filters.get("group_by_account")):
+		conditions.append("posting_date >=%(from_date)s")
+
 	from frappe.desk.reportview import build_match_conditions
 	match_conditions = build_match_conditions("GL Entry")
 	if match_conditions: conditions.append(match_conditions)
@@ -148,14 +151,15 @@ def initialize_gle_map(gl_entries):
 
 def get_accountwise_gle(filters, gl_entries, gle_map):
 	opening, total_debit, total_credit = 0, 0, 0
-
+	from_date, to_date = getdate(filters.from_date), getdate(filters.to_date)
 	for gle in gl_entries:
 		amount = flt(gle.debit, 3) - flt(gle.credit, 3)
-		if gle.posting_date < getdate(filters.from_date):
+		if (filters.get("account") or filters.get("party") or filters.get("group_by_account")) \
+				and gle.posting_date < from_date:
 			gle_map[gle.account].opening += amount
 			if filters.get("account") or filters.get("party"):
 				opening += amount
-		elif gle.posting_date <= getdate(filters.to_date):
+		elif gle.posting_date <= to_date:
 			gle_map[gle.account].entries.append(gle)
 			gle_map[gle.account].total_debit += flt(gle.debit, 3)
 			gle_map[gle.account].total_credit += flt(gle.credit, 3)

erpnext/accounts/report/trial_balance/trial_balance.py

@@ -9,7 +9,7 @@ from erpnext.accounts.report.financial_statements import filter_accounts, get_gl
 
 value_fields = ("opening_debit", "opening_credit", "debit", "credit", "closing_debit", "closing_credit")
 
-def execute(filters):
+def execute(filters=None):
 	validate_filters(filters)
 	data = get_data(filters)
 	columns = get_columns()
@@ -45,8 +45,8 @@ def validate_filters(filters):
 		filters.to_date = filters.year_end_date
 
 def get_data(filters):
-	accounts = frappe.db.sql("""select * from `tabAccount` where company=%s order by lft""",
+	accounts = frappe.db.sql("""select name, parent_account, account_name, root_type, report_type, lft, rgt 
-		filters.company, as_dict=True)
+		from `tabAccount` where company=%s order by lft""", filters.company, as_dict=True)
 
 	if not accounts:
 		return None
@@ -56,17 +56,58 @@ def get_data(filters):
 	min_lft, max_rgt = frappe.db.sql("""select min(lft), max(rgt) from `tabAccount`
 		where company=%s""", (filters.company,))[0]
 
-	gl_entries_by_account = get_gl_entries(filters.company, None, filters.to_date, min_lft, max_rgt,
+	gl_entries_by_account = get_gl_entries(filters.company, filters.from_date, filters.to_date, min_lft, max_rgt,
 		ignore_closing_entries=not flt(filters.with_period_closing_entry))
 
-	total_row = calculate_values(accounts, gl_entries_by_account, filters)
+	opening_balances = get_opening_balances(filters)
+
+	total_row = calculate_values(accounts, gl_entries_by_account, opening_balances, filters)
 	accumulate_values_into_parents(accounts, accounts_by_name)
 
 	data = prepare_data(accounts, filters, total_row)
 
 	return data
 	
-def calculate_values(accounts, gl_entries_by_account, filters):
+def get_opening_balances(filters):
+	balance_sheet_opening = get_rootwise_opening_balances(filters, "Balance Sheet")
+	pl_opening = get_rootwise_opening_balances(filters, "Profit and Loss")
+	
+	balance_sheet_opening.update(pl_opening)
+	return balance_sheet_opening
+	
+	
+def get_rootwise_opening_balances(filters, report_type):
+	additional_conditions = " and posting_date >= %(year_start_date)s" \
+		if report_type == "Profit and Loss" else ""
+		
+	if not flt(filters.with_period_closing_entry):
+		additional_conditions += " and ifnull(voucher_type, '')!='Period Closing Voucher'"
+		
+	gle = frappe.db.sql("""
+		select 
+			account, sum(ifnull(debit, 0)) as opening_debit, sum(ifnull(credit, 0)) as opening_credit 
+		from `tabGL Entry`
+		where 
+			company=%(company)s
+			{additional_conditions}
+			and posting_date < %(from_date)s
+			and account in (select name from `tabAccount` where report_type=%(report_type)s)
+		group by account""".format(additional_conditions=additional_conditions),
+		{
+			"company": filters.company,
+			"from_date": filters.from_date,
+			"report_type": report_type,
+			"year_start_date": filters.year_start_date
+		},
+		as_dict=True)
+		
+	opening = frappe._dict()
+	for d in gle:
+		opening.setdefault(d.account, d)
+		
+	return opening
+
+def calculate_values(accounts, gl_entries_by_account, opening_balances, filters):
 	init = {
 		"opening_debit": 0.0,
 		"opening_credit": 0.0,
@@ -88,30 +129,16 @@ def calculate_values(accounts, gl_entries_by_account, filters):
 		d.update(init.copy())
 
 		for entry in gl_entries_by_account.get(d.name, []):
-			posting_date = getdate(entry.posting_date)
-
-			# opening
-			if posting_date < filters.from_date:
-				is_valid_opening = (d.root_type in ("Asset", "Liability", "Equity") or
-					(filters.year_start_date <= posting_date < filters.from_date))
-
-				if is_valid_opening:
-					d["opening_debit"] += flt(entry.debit)
-					d["opening_credit"] += flt(entry.credit)
-
-			elif posting_date <= filters.to_date:
-
-				if entry.is_opening == "Yes" and d.root_type in ("Asset", "Liability", "Equity"):
-					d["opening_debit"] += flt(entry.debit)
-					d["opening_credit"] += flt(entry.credit)
-
-				else:
 			d["debit"] += flt(entry.debit)
 			d["credit"] += flt(entry.credit)
 
 		total_row["debit"] += d["debit"]
 		total_row["credit"] += d["credit"]
 		
+		# add opening
+		d["opening_debit"] = opening_balances.get(d.name, {}).get("opening_debit", 0)
+		d["opening_credit"] = opening_balances.get(d.name, {}).get("opening_credit", 0)
+
 	return total_row
 
 def accumulate_values_into_parents(accounts, accounts_by_name):

erpnext/accounts/utils.py

@@ -91,7 +91,7 @@ def get_balance_on(account=None, date=None, party_type=None, party=None):
 		# different filter for group and ledger - improved performance
 		if acc.is_group:
 			cond.append("""exists (
-				select * from `tabAccount` ac where ac.name = gle.account
+				select name from `tabAccount` ac where ac.name = gle.account
 				and ac.lft >= %s and ac.rgt <= %s
 			)""" % (acc.lft, acc.rgt))
 		else:
@@ -397,7 +397,7 @@ def get_outstanding_invoices(amount_query, account, party_type, party):
 
 	for d in outstanding_voucher_list:
 		payment_amount = frappe.db.sql("""
-			select ifnull(sum(ifnull({amount_query}, 0)), 0)
+			select ifnull(sum({amount_query}), 0)
 			from
 				`tabGL Entry`
 			where