Publier Globinours 1.0.0-rc.3

migrations/009_weight_trend_distinct.sql

@@ -0,0 +1,30 @@
+DROP VIEW IF EXISTS v_animals_weight_trend;
+
+CREATE VIEW v_animals_weight_trend AS
+SELECT
+  a.id AS animal_id,
+
+  (
+    SELECT m.value
+    FROM measurements m
+    WHERE m.animal_id = a.id AND m.type='weight'
+    ORDER BY m.id DESC
+    LIMIT 1
+  ) AS last_weight,
+
+  (
+    SELECT m2.value
+    FROM measurements m2
+    WHERE m2.animal_id = a.id
+      AND m2.type='weight'
+      AND m2.value != (
+        SELECT m3.value
+        FROM measurements m3
+        WHERE m3.animal_id = a.id AND m3.type='weight'
+        ORDER BY m3.id DESC
+        LIMIT 1
+      )
+    ORDER BY m2.id DESC
+    LIMIT 1
+  ) AS prev_weight
+FROM animals a;