Merge branch 'b-3.6.1' of ../kivitendo-erp_20220811

[kivitendo-erp.git] / sql / Pg-upgrade2 / inventory_itime_parts_id_index.sql

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 (file)
index 0000000..36cd99c
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+++ b/sql/Pg-upgrade2/inventory_itime_parts_id_index.sql
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+-- @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);