diff --git a/site-cookbooks/kosmos-ejabberd/files/pg.new.sql b/site-cookbooks/kosmos-ejabberd/files/pg.new.sql
index 5db5455..c585fd3 100644
--- a/site-cookbooks/kosmos-ejabberd/files/pg.new.sql
+++ b/site-cookbooks/kosmos-ejabberd/files/pg.new.sql
@@ -571,3 +571,74 @@ CREATE TABLE push_session (
 );
 
 CREATE UNIQUE INDEX i_push_session_susn ON push_session USING btree (server_host, username, service, node);
+
+CREATE TABLE mix_channel (
+    channel text NOT NULL,
+    service text NOT NULL,
+    username text NOT NULL,
+    domain text NOT NULL,
+    jid text NOT NULL,
+    hidden boolean NOT NULL,
+    hmac_key text NOT NULL,
+    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_mix_channel ON mix_channel (channel, service);
+CREATE INDEX i_mix_channel_serv ON mix_channel (service);
+
+CREATE TABLE mix_participant (
+    channel text NOT NULL,
+    service text NOT NULL,
+    username text NOT NULL,
+    domain text NOT NULL,
+    jid text NOT NULL,
+    id text NOT NULL,
+    nick text NOT NULL,
+    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_mix_participant ON mix_participant (channel, service, username, domain);
+CREATE INDEX i_mix_participant_chan_serv ON mix_participant (channel, service);
+
+CREATE TABLE mix_subscription (
+    channel text NOT NULL,
+    service text NOT NULL,
+    username text NOT NULL,
+    domain text NOT NULL,
+    node text NOT NULL,
+    jid text NOT NULL
+);
+
+CREATE UNIQUE INDEX i_mix_subscription ON mix_subscription (channel, service, username, domain, node);
+CREATE INDEX i_mix_subscription_chan_serv_ud ON mix_subscription (channel, service, username, domain);
+CREATE INDEX i_mix_subscription_chan_serv_node ON mix_subscription (channel, service, node);
+CREATE INDEX i_mix_subscription_chan_serv ON mix_subscription (channel, service);
+
+CREATE TABLE mix_pam (
+    username text NOT NULL,
+    server_host text NOT NULL,
+    channel text NOT NULL,
+    service text NOT NULL,
+    id text NOT NULL,
+    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE UNIQUE INDEX i_mix_pam ON mix_pam (username, server_host, channel, service);
+CREATE INDEX i_mix_pam_us ON mix_pam (username, server_host);
+
+CREATE TABLE mqtt_pub (
+    username text NOT NULL,
+    server_host text NOT NULL,
+    resource text NOT NULL,
+    topic text NOT NULL,
+    qos smallint NOT NULL,
+    payload bytea NOT NULL,
+    payload_format smallint NOT NULL,
+    content_type text NOT NULL,
+    response_topic text NOT NULL,
+    correlation_data bytea NOT NULL,
+    user_properties bytea NOT NULL,
+    expiry bigint NOT NULL
+);
+
+CREATE UNIQUE INDEX i_mqtt_topic_server ON mqtt_pub (topic, server_host);