+CREATE SEQUENCE ip_changes_ipc_rev_id_seq;
+
+CREATE TABLE ip_changes (
+ ipc_rev_id INTEGER PRIMARY KEY NOT NULL DEFAULT nextval('ip_changes_ipc_rev_id_seq'),
+ ipc_rev_timestamp TIMESTAMPTZ NOT NULL,
+ ipc_hex BYTEA NOT NULL DEFAULT ''
+);
+
+CREATE INDEX ipc_rev_timestamp ON ip_changes (ipc_rev_timestamp);
+CREATE INDEX ipc_hex_time ON ip_changes (ipc_hex,ipc_rev_timestamp);
+