Set up docs MCPDescription
Se distingue de JSONEachRow/JSONStringsEachRow par le fait que ClickHouse renvoie également des informations sur la progression sous forme de valeurs JSON.
Exemple d’utilisation
{"row":{"num":42,"str":"hello","arr":[0,1]}}
{"row":{"num":43,"str":"hello","arr":[0,1,2]}}
{"row":{"num":44,"str":"hello","arr":[0,1,2,3]}}
{"progress":{"read_rows":"3","read_bytes":"24","written_rows":"0","written_bytes":"0","total_rows_to_read":"3"}}