Fixed stock entry Userfield edit handling (fixes #1969)

migrations/0196.sql

@@ -0,0 +1,21 @@
+DROP TRIGGER userfield_values_special_handling_INS;
+CREATE TRIGGER userfield_values_special_handling_INS AFTER INSERT ON userfield_values
+BEGIN
+	-- Entity stock:
+	-- object_id is the transaction_id on insert -> replace it by the corresponding stock_id
+	INSERT OR REPLACE INTO userfield_values
+		(field_id, object_id, value)
+	SELECT uv.field_id, sl.stock_id, uv.value
+	FROM userfield_values uv
+	JOIN stock_log sl
+		ON uv.object_id = sl.transaction_id
+		AND sl.transaction_type IN ('purchase', 'inventory-correction', 'stock-edit-new')
+	WHERE uv.field_id IN (SELECT id FROM userfields WHERE entity = 'stock')
+		AND uv.field_id = NEW.field_id
+		AND uv.object_id = NEW.object_id;
+
+	DELETE FROM userfield_values
+	WHERE field_id IN (SELECT id FROM userfields WHERE entity = 'stock')
+		AND field_id = NEW.field_id
+		AND object_id = NEW.object_id;
+END;