otel-sampled-clickhouse/tables.sql

create database if not exists otel_cold on cluster default;
use otel_cold;
create table if not exists otel_cold.sample_hit_trace_local on cluster default
(
    trace_id  String not null,
    timestamp bigint not null,
    INDEX idx_timestamp timestamp type minmax granularity 1
)
    ENGINE = ReplicatedMergeTree('/clickhouse/otel_cold/tables/{shard}/sample_hit_trace_local',    '{replica}')
      partition by (toDate(fromUnixTimestamp64Milli(timestamp)))
      ttl toDateTime(fromUnixTimestamp64Milli(timestamp)) + interval 24 hour
      order by (timestamp)
      settings index_granularity = 8192, ttl_only_drop_parts = 1;



CREATE TABLE if not exists otel_cold.sample_hit_trace  on cluster default
(
    `trace_id` String,
    `timestamp` bigint
)
ENGINE = Distributed('default', 'otel_cold', 'sample_hit_trace_local', rand());