Index auf inventory parts_id

um schneller die Bestände eines Artikels in diversen Lagern zu berechnen

diff --git a/sql/Pg-upgrade2/inventory_parts_id_index.sql b/sql/Pg-upgrade2/inventory_parts_id_index.sql
new file mode 100644 (file)
index 0000000..84ffec9
--- /dev/null
+++ b/sql/Pg-upgrade2/inventory_parts_id_index.sql
@@ -0,0 +1,12 @@
+-- @tag: inventory_parts_id_index
+-- @description: Index auf inventory parts_id, um schneller die Bestände eines Artikels in diversen Lagern zu berechnen
+-- @depends: release_3_5_4
+
+-- increase speed of queries for inventory information on one part, e.g.
+
+--   SELECT parts_id, warehouse_id, bin_id, sum(qty)
+--     FROM inventory
+--    WHERE parts_id = 1234
+-- GROUP BY parts_id, bin_id, warehouse_id;
+
+CREATE INDEX inventory_parts_id_idx ON inventory (parts_id);