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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2020/11/26 04:08:24 UTC

[GitHub] [shardingsphere] liuzhiguo630 commented on issue #5209: when parse SQL with many parameters, SQLParseEngine#parse0 method will be very slow

liuzhiguo630 commented on issue #5209:
URL: https://github.com/apache/shardingsphere/issues/5209#issuecomment-734061706


   > for every "new" SQL, parse engine should re-parse. Parse need spend lots times. I don't think it's a problem.
   > my problem is when parse SQL with a lot of parameters and the number of parameters is uncertain，the number of parameters may be 500 or 501，unable to cache 。
   > Why the number of parameters is so large that parsing is slow ？？I think this is a problem
   
   +1


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