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flash866
V2EX  ›  MySQL

MYSQL 索引的奇怪问题

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  •   flash866 · Apr 28, 2018 · 3663 views
    This topic created in 3089 days ago, the information mentioned may be changed or developed.

    某表通过 C3P0 及 DRUID 连接后,分别进行了一个 select count 操作,结果发现,在查询过几次后,查询结果就变成 0 了,刷新 N 次后恢复正常。然后我去除了表里的某字段索引后,查询就一直正常了。请问下这个可能是什么原因导致的?

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