From 847337443d22b99eb02631f214f71a9a2194c051 Mon Sep 17 00:00:00 2001
From: Bernd Bestel <bernd@berrnd.de>
Date: Tue, 1 Aug 2023 20:47:47 +0200
Subject: [PATCH] Optimized /shoppinglist performance

---
 changelog/71_UNRELEASED_xxxx-xx-xx.md |  2 +-
 migrations/0223.sql                   | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 migrations/0223.sql

diff --git a/changelog/71_UNRELEASED_xxxx-xx-xx.md b/changelog/71_UNRELEASED_xxxx-xx-xx.md
index 58a34a24..ffb7a7a1 100644
--- a/changelog/71_UNRELEASED_xxxx-xx-xx.md
+++ b/changelog/71_UNRELEASED_xxxx-xx-xx.md
@@ -8,7 +8,7 @@
 
 ### Stock
 
-- Fixed performance issues related to the stock overview and purchase/consume/inventory/transfer page
+- Fixed performance issues affecting the stock overview, shopping list and purchase/consume/inventory/transfer pages
 - Fixed that the upgrade failed when having improperly defined product specific quantity unit conversions
 
 ### Shopping list
diff --git a/migrations/0223.sql b/migrations/0223.sql
new file mode 100644
index 00000000..2c59cd1e
--- /dev/null
+++ b/migrations/0223.sql
@@ -0,0 +1,27 @@
+DROP VIEW uihelper_shopping_list;
+CREATE VIEW uihelper_shopping_list
+AS
+SELECT
+	sl.*,
+	p.name AS product_name,
+	plp.price AS last_price_unit,
+	plp.price * sl.amount AS last_price_total,
+	st.name AS default_shopping_location_name,
+	qu.name AS qu_name,
+	qu.name_plural AS qu_name_plural,
+	pg.id AS product_group_id,
+	pg.name AS product_group_name,
+	pbcs.barcodes AS product_barcodes
+FROM shopping_list sl
+LEFT JOIN products p
+	ON sl.product_id = p.id
+LEFT JOIN products_last_price plp
+	ON sl.product_id = plp.product_id
+LEFT JOIN shopping_locations st
+	ON p.shopping_location_id = st.id
+LEFT JOIN quantity_units qu
+	ON sl.qu_id = qu.id
+LEFT JOIN product_groups pg
+	ON p.product_group_id = pg.id
+LEFT JOIN product_barcodes_comma_separated pbcs
+	ON sl.product_id = pbcs.product_id;