Goal

Implement the tracestore.Reader interface in the ClickHouse storage backend to allow traces to be read from a ClickHouse database.

Scope

To simplify code review, each method should be implemented and submitted as a separate pull request. The following methods need to be implemented:

• GetTraces
• GetServices - [clickhouse] Implement GetServices for trace reader in ClickHouse storage #7159
• GetOperations - [clickhouse] Implement GetOperations for trace reader in ClickHouse storage #7180
• FindTraces
• FindTraceIDs