Arrow supports JSON as a canonical extension type (encoded as a string): https://arrow.apache.org/docs/format/CanonicalExtensions.html#json However, `clickhouse-server` doesn't support mapping JSON to Arrow: https://github.com/ClickHouse/ClickHouse/issues/92752
Arrow supports JSON as a canonical extension type (encoded as a string): https://arrow.apache.org/docs/format/CanonicalExtensions.html#json
However,
clickhouse-serverdoesn't support mapping JSON to Arrow: ClickHouse/ClickHouse#92752