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sundy-li avatar sundy-li commented on July 19, 2024

新版本 MergeTree 不一定要date字段的。

加入date,解决方法有很多种

  1. date 其实就是 UInt16字段了,手动计算出1970年的天数即可

  2. 建表的时候,加入时间戳字段

 timestamp UInt32,
day default toDate(timestamp)

插入的时候 insert into table(timestamp) values... , 只需插入timestamp即可

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sundy-li avatar sundy-li commented on July 19, 2024

加入这个date字段支持也是可以的,但kafka日志中一般都是 时间戳格式的, 弄一个字符串格式的date感觉意义不是很大。

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