[CH-402]Enable return null and complex type for get_json_object function - #403

[CH-402]Enable return null and complex type for get_json_object function#403

liuneng1994 merged 2 commits into

Kyligence:clickhouse_backendKyligence/ClickHouse:clickhouse_backendfrom

KevinyhZou:adapt_get_json_objectKevinyhZou/ClickHouse:adapt_get_json_objectCopy head branch name to clipboard