Cassandra 4.0 使用 java 驱动程序用于多个 select
[英]Cassandra 4.0 using java driver for multiple select
问题描述
Trying to to send multiple select in a single batch fails with error message:
尝试在单个批次中发送多个 select 失败并显示错误消息：
Invalid statement in batch: only UPDATE, INSERT and DELETE statements are allowed.
What is the best way to send multiple distinct queries (eg id=x, id=y, id=z).发送多个不同查询的最佳方式是什么（例如 id=x、id=y、id=z）。
1 个解决方案
解决方案1
1 2021-11-22 16:17:06
You can't do this for selects, and it's really doesn't make sense imho.您不能为选择执行此操作，而且恕我直言，这真的没有意义。 Send each query as a separate requests & collect results.将每个查询作为单独的请求发送并收集结果。
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