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Posted to commits@inlong.apache.org by GitBox <gi...@apache.org> on 2022/07/06 02:41:28 UTC
[GitHub] [inlong] thesumery commented on pull request #4882: [INLONG-4814][Sort][Manager] Declare the primary key for sink table when the query contains update/delete
thesumery commented on PR #4882:
URL: https://github.com/apache/inlong/pull/4882#issuecomment-1175715305
There are some reasons that clickhouse sink didn't release the ability of update/deleteļ¼
1. clickhouse `update` operations is heavy, it will takes precedence over all others operation to execute, so it has a poor performance. It is more suitable for batch scenes but not streaming scenes where operations are performed frequently.
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