--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MySQL/Plugins/GetLastChangeIndex.sql	Thu Jan 10 20:39:36 2019 +0100
@@ -0,0 +1,16 @@
+CREATE TABLE GlobalIntegers(
+       property INTEGER PRIMARY KEY,
+       value BIGINT
+       );
+
+
+INSERT INTO GlobalIntegers
+SELECT 0, COALESCE(MAX(seq), 0) FROM Changes;
+
+
+CREATE TRIGGER ChangeAdded
+AFTER INSERT ON Changes
+FOR EACH ROW
+BEGIN
+  UPDATE GlobalIntegers SET value = new.seq WHERE property = 0@
+END;