refactor: rewrite `Supplier Quotation Comparison Report` queries in `QB`
diff --git a/erpnext/buying/report/supplier_quotation_comparison/supplier_quotation_comparison.py b/erpnext/buying/report/supplier_quotation_comparison/supplier_quotation_comparison.py
index 3013b6d..a728290 100644
--- a/erpnext/buying/report/supplier_quotation_comparison/supplier_quotation_comparison.py
+++ b/erpnext/buying/report/supplier_quotation_comparison/supplier_quotation_comparison.py
@@ -16,8 +16,7 @@
 		return [], []
 
 	columns = get_columns(filters)
-	conditions = get_conditions(filters)
-	supplier_quotation_data = get_data(filters, conditions)
+	supplier_quotation_data = get_data(filters)
 
 	data, chart_data = prepare_data(supplier_quotation_data, filters)
 	message = get_message()
@@ -25,50 +24,51 @@
 	return columns, data, message, chart_data
 
 
-def get_conditions(filters):
-	conditions = ""
+def get_data(filters):
+	sq = frappe.qb.DocType("Supplier Quotation")
+	sq_item = frappe.qb.DocType("Supplier Quotation Item")
+
+	query = (
+		frappe.qb.from_(sq_item)
+		.from_(sq)
+		.select(
+			sq_item.parent,
+			sq_item.item_code,
+			sq_item.qty,
+			sq_item.stock_qty,
+			sq_item.amount,
+			sq_item.uom,
+			sq_item.stock_uom,
+			sq_item.request_for_quotation,
+			sq_item.lead_time_days,
+			sq.supplier.as_("supplier_name"),
+			sq.valid_till,
+		)
+		.where(
+			(sq_item.parent == sq.name)
+			& (sq_item.docstatus < 2)
+			& (sq.company == filters.get("company"))
+			& (sq.transaction_date.between(filters.get("from_date"), filters.get("to_date")))
+		)
+		.orderby(sq.transaction_date, sq_item.item_code)
+	)
+
 	if filters.get("item_code"):
-		conditions += " AND sqi.item_code = %(item_code)s"
+		query = query.where(sq_item.item_code == filters.get("item_code"))
 
 	if filters.get("supplier_quotation"):
-		conditions += " AND sqi.parent in %(supplier_quotation)s"
+		query = query.where(sq_item.parent.isin(filters.get("supplier_quotation")))
 
 	if filters.get("request_for_quotation"):
-		conditions += " AND sqi.request_for_quotation = %(request_for_quotation)s"
+		query = query.where(sq_item.request_for_quotation == filters.get("request_for_quotation"))
 
 	if filters.get("supplier"):
-		conditions += " AND sq.supplier in %(supplier)s"
+		query = query.where(sq.supplier.isin(filters.get("supplier")))
 
 	if not filters.get("include_expired"):
-		conditions += " AND sq.status != 'Expired'"
+		query = query.where(sq.status != "Expired")
 
-	return conditions
-
-
-def get_data(filters, conditions):
-	supplier_quotation_data = frappe.db.sql(
-		"""
-		SELECT
-			sqi.parent, sqi.item_code,
-			sqi.qty, sqi.stock_qty, sqi.amount,
-			sqi.uom, sqi.stock_uom,
-			sqi.request_for_quotation,
-			sqi.lead_time_days, sq.supplier as supplier_name, sq.valid_till
-		FROM
-			`tabSupplier Quotation Item` sqi,
-			`tabSupplier Quotation` sq
-		WHERE
-			sqi.parent = sq.name
-			AND sqi.docstatus < 2
-			AND sq.company = %(company)s
-			AND sq.transaction_date between %(from_date)s and %(to_date)s
-			{0}
-			order by sq.transaction_date, sqi.item_code""".format(
-			conditions
-		),
-		filters,
-		as_dict=1,
-	)
+	supplier_quotation_data = query.run(as_dict=True)
 
 	return supplier_quotation_data