--
-- Copyright © 2016-2021 The Thingsboard Authors
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--

CREATE INDEX IF NOT EXISTS idx_alarm_originator_alarm_type ON alarm(originator_id, type, start_ts DESC);

CREATE INDEX IF NOT EXISTS idx_alarm_originator_created_time ON alarm(originator_id, created_time DESC);

CREATE INDEX IF NOT EXISTS idx_alarm_tenant_created_time ON alarm(tenant_id, created_time DESC);

CREATE INDEX IF NOT EXISTS idx_alarm_tenant_alarm_type_created_time ON alarm(tenant_id, type, created_time DESC);

CREATE INDEX IF NOT EXISTS idx_relation_to_id ON relation(relation_type_group, to_type, to_id);

CREATE INDEX IF NOT EXISTS idx_relation_from_id ON relation(relation_type_group, from_type, from_id);

CREATE INDEX IF NOT EXISTS idx_device_customer_id ON device(tenant_id, customer_id);

CREATE INDEX IF NOT EXISTS idx_device_customer_id_and_type ON device(tenant_id, customer_id, type);

CREATE INDEX IF NOT EXISTS idx_device_type ON device(tenant_id, type);

CREATE INDEX IF NOT EXISTS idx_device_device_profile_id ON device(tenant_id, device_profile_id);

CREATE INDEX IF NOT EXISTS idx_asset_customer_id ON asset(tenant_id, customer_id);

CREATE INDEX IF NOT EXISTS idx_asset_customer_id_and_type ON asset(tenant_id, customer_id, type);

CREATE INDEX IF NOT EXISTS idx_asset_type ON asset(tenant_id, type);

CREATE INDEX IF NOT EXISTS idx_attribute_kv_by_key_and_last_update_ts ON attribute_kv(entity_id, attribute_key, last_update_ts desc);

CREATE INDEX IF NOT EXISTS idx_audit_log_tenant_id_and_created_time ON audit_log(tenant_id, created_time);

CREATE INDEX IF NOT EXISTS idx_rpc_tenant_id_device_id ON rpc(tenant_id, device_id);

CREATE INDEX IF NOT EXISTS idx_event_ts
    ON public.event USING btree
    (ts DESC NULLS LAST)
    WITH (FILLFACTOR=95);

COMMENT ON INDEX public.idx_event_ts
    IS 'This index helps to delete events by TTL using timestamp';

CREATE INDEX IF NOT EXISTS idx_event_tenant_entity_type_entity_event_type_created_time_des
    ON public.event USING btree
    (tenant_id ASC NULLS LAST, entity_type ASC NULLS LAST, entity_id ASC NULLS LAST, event_type ASC NULLS LAST, created_time DESC NULLS LAST)
    WITH (FILLFACTOR=95);

COMMENT ON INDEX public.idx_event_tenant_entity_type_entity_event_type_created_time_des
    IS 'This index helps to open latest events on UI fast';