Remove support for PostgreSQL 11 and 12 (#18034)

This is essentially matrix-org/synapse#14392. I didn't see anything in
there about updating sytest or complement.

The main driver of this is so that I can use `jsonb_path_exists` in
#17488. 😄

1 files changed, 2 insertions, 2 deletions

diff --git a/synapse/storage/engines/postgres.py b/synapse/storage/engines/postgres.py

index 8c8c6d0414..e4cd359201 100644
--- a/synapse/storage/engines/postgres.py
+++ b/synapse/storage/engines/postgres.py
@@ -99,8 +99,8 @@ class PostgresEngine(
         allow_unsafe_locale = self.config.get("allow_unsafe_locale", False)
 
         # Are we on a supported PostgreSQL version?
-        if not allow_outdated_version and self._version < 110000:
-            raise RuntimeError("Synapse requires PostgreSQL 11 or above.")
+        if not allow_outdated_version and self._version < 130000:
+            raise RuntimeError("Synapse requires PostgreSQL 13 or above.")
 
         with db_conn.cursor() as txn:
             txn.execute("SHOW SERVER_ENCODING")