如何解决clickhouse ：无法解析 JSON 字符串：预期的开头引用：同时读取关键数据的值：在第 1 行：执行 SourceFromInputStream
这个错误信息：
SELECT *
FROM queue2
Received exception from server (version 20.9.3):
Code: 26. DB::Exception: Received from xxxx:xxxx. DB::Exception: Cannot parse JSON string: expected opening quote: (while read the value of key data): (at row 1)
: While executing SourceFromInputStream.
我创建了一个 kafka 表来从 kafka 主题中获取数据，这是数据结构：
{
"deviceid": 0,"data": [
{
"port_id": "2137","time":1617103821,"in":200.5496688741722,"out":319.4801324503311
}
]
}
这是卡夫卡表：
CREATE TABLE queue
(
deviceid Int8,data nested(
port_id String,time Int64, in Float32, out Float32)
)
ENGINE = Kafka
SETTINGS kafka_broker_list = 'xxx,xxx,xxx',kafka_topic_list = 'librenms_flow',kafka_group_name = 'niop-billing-test-group',kafka_format = 'JSONEachRow',kafka_num_consumers = 1;
创建 kafka 表和 MATERIALIZED VIEW 应该怎么做？
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