core: Separate SQL current and upgrade scripts

[quassel.git] / src / core / SQL / SQLite / version / 10 / upgrade_000_switch_to_msgid.sql

diff --git a/src/core/SQL/SQLite/version/10/upgrade_000_switch_to_msgid.sql b/src/core/SQL/SQLite/version/10/upgrade_000_switch_to_msgid.sql
new file mode 100644 (file)
index 0000000..de1b9bf
--- /dev/null
+++ b/src/core/SQL/SQLite/version/10/upgrade_000_switch_to_msgid.sql
@@ -0,0 +1,3 @@
+UPDATE buffer
+SET lastseen = (SELECT messageid FROM backlog WHERE backlog.bufferid = buffer.bufferid AND backlog.time = buffer.lastseen UNION SELECT 0 ORDER BY messageid DESC LIMIT 1)
+WHERE lastseen != 0