#!/bin/bash# 获取当前日期current_date=$(date+%Y-%m-%d)echo"当前日期:$current_date"# 计算前一天的日期previous_date=$(date-d"$current_date-1 day"+%Y-%m-%d)echo"前一天的日期:$previous_date"# 构建MongoDB查询语句query="{ field_name: { \$gt
在您的Kettle转换中添加一个“JavaScript”步骤,并使用以下代码: varcurrentDate=newDate();varlastMonth=newDate(currentDate);lastMonth.setMonth(currentDate.getMonth()-1);varisoDate=lastMonth.toISOString(); 1. 2. 3. 4. 5. 这段代码计算当前日期前一个月的日期,并将其转换为ISO格式,便于MongoDB查询...
AUTOMOTIVE “We use MongoDB as the core database for our services, so any new innovative idea or new service we build, we automatically say, ‘We’re going to use MongoDB as the core platform,’ knowing that it’s going to give us the reliability and the scalability that we’re going...
// 日期修改Update dateUp=newUpdate().currentDate("date");mongoTemplate.updateFirst(query,dateUp,COLLECTION_NAME);queryAndPrint(query,"date"); 输出结果 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ---after date age---query records:{_id=5c49b07ce6652f7e1add1ea2,age=360.0,name=一灰灰...
db.currentOp().inprog.forEach(function(item){db.killOp(item.opid)}) 当查询超过1000秒的,停止: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 db.currentOp().inprog.forEach(function(item){if(item.secs_running>1000)db.killOp(item.opid)}) ...
语法:db.collection.find(query, projection) 参数 类型 描述 query 文档 可选. 使用查询操作符指定查询条件 projection 文档 可选.使用投影操作符指定返回的键。查询时返回文档中所有键值, 只需省略该参数即可(默认省略). 返回值: 匹配查询条件的文档集合的游标. 如果指定投影参数,查询出的文档返回指定的键 ,"_...
Use Date in a Query If no document with _id equal to 1 exists in the products collection, the following operation inserts a document with the field dateAdded set to the current date: db.products.updateOne( { _id: 1 }, { $set: { item: "apple" }, $setOnInsert: { dateAdded: new ...
"currentOpTime" : "2023-03-28T01:37:05.552+00:00", "opid" : -935445412, "op" : "none", "ns" : "", "command" : { }, "numYields" : 0, "waitingForLatch" : { "timestamp" : ISODate("2023-03-28T01:37:05.546Z"), "captureName" : "ServiceContext::_mutex" }, "locks" :...
queryPlanner:MongoDB 运行查询优化器对当前的查询进行评估并选择一个最佳的查询计划。 exectionStats:mongoDB 运行查询优化器对当前的查询进行评估并选择一个最佳的查询计划进行执行。在执行完毕后返回这个最佳执行计划执行完成时的相关统计信息。 allPlansExecution:即按照最佳的执行计划执行以及列出统计信息,如果有多个查询...
"gender":"female","grade":1,"pets": [ {"givenName":"Goofy"}, {"givenName":"Shadow"} ] }, {"familyName":"Miller","givenName":"Lisa","gender":"female","grade":8} ],"address": {"state":"NY","county":"Manhattan","city":"NY"},"creationDate":1431620462,"isRegistered":...