发布于 2015-09-14 14:47:07 | 159 次阅读 | 评论: 0 | 来源: 网络整理

cursor.hint(index)
Arguments:
  • index – The specification for the index to “hint” or force MongoDB to use when performing the query.

Call this method on a query to override MongoDB’s default index selection and query optimization process. The argument is an index specification, like the argument to ensureIndex(). Use db.collection.getIndexes() to return the list of current indexes on a collection.

也可以参考

“$hint“

最新网友评论  共有(0)条评论 发布评论 返回顶部

Copyright © 2007-2017 PHPERZ.COM All Rights Reserved   冀ICP备14009818号  版权声明  广告服务