ClickHouse has no limit on sting data length. MaterializedPostgreSQL engine is just very recent feature with not large adoption rate. I believe if community wil

ClickHouse has no limit on sting data length. MaterializedPostgreSQL engine is just very recent feature with not large adoption rate. I believe if community will use it frequently it will become more bulletproof and more edge cases will be supported. TOAST in replication protocol is just not trivial to implement.