I can't find anywhere in mongo documentation how to do this kind of query: I've got a collection containing lots of objects, some of which have the type I want (let's call it "Graph"). They contain a property that contains nodes and edges. I'm trying to find every Gr...
我使用MongoDb .Net驱动程序V2.7.2在mongo上下文构造函数中创建了索引。它按照预期从给定的集合中删除文档,但是“使用”不会在MongoDBCompass社区上更新,也不会在我通过Mongo终端进行检查时更新。 Here is the out put running $indexStat: MongoDB Enterprise > db.testCollection.aggregate( [ { $indexStats: {...
我在mongodb上使用typeorm连接,typeorm是否支持对全文搜索mongodb返回的相关分数进行排序?就像描述的一样。在mongo中,我想进行如下查询: db.todos.find( {$text: { $search: "coffee" }}, {score: { "$meta": "textScore" }}) .sort({score: { "$meta": "textScore" }}) .limit(20); 如何从typeor...
Sometimes writing a query in a different way can yield speed improvements. However in this case there should be no speed benefits because of something called a query plan. A query plan is the code that SQL comes up with to execute the query. It takes the query and then creates an optimiz...
Querying MongoDB ObjectId by Date range I had a situation where I wanted to query a collection in the production environment for a specific day, but the surprise for me was that the collection has no CreatedAt field in it in the first place :), so I had to rely on the ObjectId of ...
Thanks in advance!Contributor jenssegers commented Jun 25, 2013 That should be possible already. It is tested here: https://github.com/jenssegers/Laravel-MongoDB/blob/master/tests/QueryTest.php#L154 jenssegers closed this as completed Jun 25, 2013 igormatkovic mentioned this issue Feb 14, ...
Source File: SQLCommandInfoHolder.java From sql-to-mongo-db-query-converter with Apache License 2.0 4 votes public Builder setDelete(Delete delete) throws com.github.vincentrussell.query.mongodb.sql.converter.ParseException, ParseException { SqlUtils.isTrue(delete.getTables().size() == 0, "...
在MongoDB中,使用SQL将字符串列转换为日期时间是不可能的,因为MongoDB是一个NoSQL数据库,不支持SQL语法。在MongoDB中,日期时间通常以特定的数据类型存储,如ISODate或Date。要将字符串列转换为日期时间,可以使用MongoDB的日期时间操作符和函数。 首先,需要确保字符串列的格式与日期时间格式相匹配。例如,...