From b877d63356e0e0df711e84223bd6832114a91f70 Mon Sep 17 00:00:00 2001
From: "G. Richardson" <grichardson@kivitec.de>
Date: Mon, 25 Feb 2019 16:03:29 +0100
Subject: [PATCH] =?utf8?q?Neuer=20index=20auf=20inventory=20=C3=BCber=20it?=
=?utf8?q?ime=20und=20parts=5Fid?=
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Content-Type: text/plain; charset=utf8
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Um Abfragen wie
* letzte 10 Lagerbuchungen
* letzte 10 Lagerbuchungen von Artikel XYZ
zu beschleunigen
---
SL/DB/Part.pm | 2 +-
sql/Pg-upgrade2/inventory_itime_parts_id_index.sql | 13 +++++++++++++
2 files changed, 14 insertions(+), 1 deletion(-)
create mode 100644 sql/Pg-upgrade2/inventory_itime_parts_id_index.sql
diff --git a/SL/DB/Part.pm b/SL/DB/Part.pm
index 9eb76df6a..db3a26663 100644
--- a/SL/DB/Part.pm
+++ b/SL/DB/Part.pm
@@ -373,7 +373,7 @@ sub get_simple_stock_sql {
LEFT JOIN warehouse w ON (i.warehouse_id = w.id)
LEFT JOIN bin b ON (i.bin_id = b.id)
WHERE parts_id = ?
- GROUP BY w.description, b.description, p.unit, i.parts_id
+ GROUP BY w.description, w.sortkey, b.description, p.unit, i.parts_id
HAVING SUM(qty) != 0
WINDOW pt AS (PARTITION BY i.parts_id ORDER BY w.sortkey, b.description, p.unit),
wh AS (PARTITION by w.description ORDER BY w.sortkey, b.description, p.unit)
diff --git a/sql/Pg-upgrade2/inventory_itime_parts_id_index.sql b/sql/Pg-upgrade2/inventory_itime_parts_id_index.sql
new file mode 100644
index 000000000..36cd99c9d
--- /dev/null
+++ b/sql/Pg-upgrade2/inventory_itime_parts_id_index.sql
@@ -0,0 +1,13 @@
+-- @tag: inventory_itime_parts_id_index
+-- @description: Index auf inventory itime und parts_id, um schnell die letzten Transaktion raussuchen zu können
+-- @depends: release_3_5_4
+
+-- increase speed of queries such as
+
+-- last 10 entries in inventory:
+-- SELECT * FROM inventory ORDER BY itime desc LIMIT 10
+
+-- last 10 inventory entries for a certain part:
+-- SELECT * FROM inventory WHERE parts_id = 1234 ORDER BY itime desc LIMIT 10
+
+CREATE INDEX inventory_itime_parts_id_idx ON inventory (itime, parts_id);
--
2.20.1