bulk dictionary code example

Example: sql insert bulk list of dictionaries

for item_code, companywise_item_data in items_default_data.items():
			for company, item_default_data in companywise_item_data.items():
				to_insert_data.append((
					frappe.generate_hash("", 10),
					item_code,
					'Item',
					'item_defaults',
					company,
					item_default_data.get('default_warehouse'),
					item_default_data.get('expense_account'),
					item_default_data.get('income_account'),
					item_default_data.get('buying_cost_center'),
					item_default_data.get('selling_cost_center'),
				))

		if to_insert_data:
			frappe.db.sql('''
				INSERT INTO `tabItem Default`
				(
					`name`, `parent`, `parenttype`, `parentfield`, `company`, `default_warehouse`,
					`expense_account`, `income_account`, `buying_cost_center`, `selling_cost_center`
				)
				VALUES {}
			'''.format(', '.join(['%s'] * len(to_insert_data))), tuple(to_insert_data))