why ExceptionWhileProcessing didn't return err

[btyABC]

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Question

i am using go client "github.com/ClickHouse/clickhouse-go/v2",

this is the go code:

	deadlineCtx, cancel := context.WithDeadline(context.Background(), time.Now().Add(queryTimeout))
	defer cancel()
	rows, err := ch.Query(deadlineCtx, sql)
	if err != nil {
		return 0, err
	}
	defer rows.Close()

ch.Query didn't return err, but there are 0 rows in return.
I am sure query result of sql is not null.

this is the records in system.query_log

<style> </style>

query_id	initial_query_id	event_time	type	query_duration_ms	read_rows	result_rows	exception	exception_code
298875b2-2a44-4425-b55d-a962168b5845	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:49+08:00	ExceptionWhileProcessing	177267	9173345491	0	Code: 210. DB::NetException: Connection reset by peer, while writing to socket (10.25.20.240:13289). (NETWORK_ERROR) (version 22.8.5.29 (official build))	210
861c532c-08f7-4bce-a100-4b4cf3ee5bb0	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:49+08:00	ExceptionWhileProcessing	177177	9061079725	0	Code: 210. DB::NetException: Connection reset by peer, while writing to socket (10.25.20.240:52361). (NETWORK_ERROR) (version 22.8.5.29 (official build))	210
8deca7f4-21f9-4d08-9b95-eb351f21ab0e	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:49+08:00	QueryFinish	177362	8087920455	0		0
8deca7f4-21f9-4d08-9b95-eb351f21ab0e	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:49+08:00	ExceptionWhileProcessing	177426	8087920455	0	Code: 210. DB::NetException: I/O error: Broken pipe, while writing to socket (10.25.20.240:24120). (NETWORK_ERROR) (version 22.8.5.29 (official build))	210
331421bc-de76-4fd4-bab5-ffaa2045333f	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:49+08:00	QueryFinish	177272	9734829182	0		0
331421bc-de76-4fd4-bab5-ffaa2045333f	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:49+08:00	ExceptionWhileProcessing	177286	9734829182	0	Code: 210. DB::NetException: I/O error: Broken pipe, while writing to socket (10.25.20.240:3304). (NETWORK_ERROR) (version 22.8.5.29 (official build))	210
5a3a40b7-a91b-4b2d-9039-fb4c38a8ea09	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:48+08:00	QueryFinish	176926	9066719102	0		0
1d8f7afa-aaa6-4adf-934c-3185fb0e8026	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:48:48+08:00	ExceptionWhileProcessing	177129	31762417821	0	Code: 210. DB::NetException: Connection reset by peer, while writing to socket (10.201.6.105:48232). (NETWORK_ERROR) (version 22.8.5.29 (official build))	210
298875b2-2a44-4425-b55d-a962168b5845	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:45:51+08:00	QueryStart	0	0	0		0
861c532c-08f7-4bce-a100-4b4cf3ee5bb0	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:45:51+08:00	QueryStart	0	0	0		0
8deca7f4-21f9-4d08-9b95-eb351f21ab0e	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:45:51+08:00	QueryStart	0	0	0		0
331421bc-de76-4fd4-bab5-ffaa2045333f	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:45:51+08:00	QueryStart	0	0	0		0
5a3a40b7-a91b-4b2d-9039-fb4c38a8ea09	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:45:51+08:00	QueryStart	0	0	0		0
1d8f7afa-aaa6-4adf-934c-3185fb0e8026	1d8f7afa-aaa6-4adf-934c-3185fb0e8026	2025-01-09T16:45:51+08:00	QueryStart	0	0	0		0