mongodb import json

The example in this article describes how Python reads the JSON file and inserts the data into MongoDB. Share to everyone for your reference. The implementation method is as follows: #coding =utf-8import sunburntimport urllibfrom pymongo import connectionfrom bson.objectid import Objectidimport Loggingfrom datetime

This article describes how Python reads a JSON file and inserts data into MongoDB. Share to everyone for your reference. The implementation method is as follows: #coding =utf-8 import sunburnt import urllib from Pymongo import Connection from Bson.objectid

tank -c users --csv -f uid,name,sex -o tank/users.csv connected to: 127.0.0.1 exported 4 records 4, according to the conditions to dare to out data? 123 [[emailprotected] mongodb]# mongoexport -d tank -c users -q ‘{uid:{$gt:1}}‘ -o tank/users.json connected to: 127.0.0.1 exported 3 records Mongoimport Import a table, or some field in a table1, Common command forma

Label:After converting data from HDFS to JSON format, the file name of the 10 files is filename _01 .... _02. 03 format. Write a simple sh file with the i+1 file name corresponding to the-do loop-the path of the file names to be passed in and the data files that need to be imported when executing, so that they can be passed in to facilitate the project to change the directory.. sh Files:However, there is no confusion! Discover./mongo-h 10.1.235.62-por

Tags: using strong file Data SP on C R databaseMongoDB database is also inseparable from the necessary maintenance, such as backup, recovery, import, export.In fact, backup and recovery is easier than import and export, and generally does not make mistakes, so most of the time using backup and recovery operations.1. Back Up MongoDBMongodump-h ruiyip-d Dataname-o/home/aa/dev/

Mongoexport--help Export Parameter Help Mongoimport--help Import Parameters Help Summarize: Mongoexport--host 172.20.41.xx--username--port xxx xxx--password 1234--db cmpdb--collection wangzs-f name-o E:\wan Gzs.datMongoimport--host 172.20.41.xx--port xxx--username xxx--password 1234--db cmpdb--collection wangzstemp E:\wangzs.dat The exported Wangzs.dat file is in JSON format, which includes the _id fiel

implemented to backup and restore the database, the file format is JSON and Bson. Unable to refer to a table backup or restore. Four, Mongoexport export the table, or some fields in the table 1, Common command format The above parameters are good to understand, focus on:-F export refers to field, split by font size,-f name,email,age export name,email,age three fields-Q can export the root query condition,-Q ' {"UID": "100"} ' exports the data with

How to import MongoDB data into hive. Principle: By default, any table created in Hive is hdfs-based; That's, the metadata and underlying rows of data associated with the table are stored in HDFS. Mongo-hadoop now supports the creation of mongodb-based Hive tables and bson-based tables. Both mongodb-based Hive tables a

Import and export use HNDB;Db.s.save ({name: ' John Doe ', age:18,score:80,address: ' Zhengzhou '});d B.s.save ({name: ' Lie Triple ', age:8,score:50,address: ' Zhengzhou '}); Db.s.save ({name: ' Zhang San ', age:38,score:20,address: ' Tianjin ');d b.s.save ({name: ' Zhao Liu ', age:28,score:70,address: ' Zhengzhou '}); Db.s.save ({name: ' King 55 ', age:19,score:90,address: ' Beijing '});Export only Name field old Mongoexport localhost:27017/admin-d

]#/mongoexport-d my_mongodb-c user--csv-f Uid,username,age-oUser_csv.datConnected to:127.0.0.1Exported 2 records[email protected] bin]# cat User_csv.datUid,username,age2, "Jerry", 1001, "Tom", 25[Email protected] bin]#Parameter description:-csv means to export to CSV format-F indicates which examples need to be exportedMore detailed usage can be mongoexport–help to seeData import MongoimportIn the previous example we discussed the use of the export to

,username,age-o User_csv.dat Connected to:127.0.0.1Exported 2 records[Root @localhost bin]# cat User_csv.datUid,username,age2, "Jerry", 1001, "Tom", 25[Email protected] bin]#Parameter description:-csv means to export to CSV format-F indicates which examples need to be exportedMore detailed usage can be mongoexport–help to seeData import Mongoimport In the previous example we discussed the use of the export tool, and this section will discuss how to

[-- collection] arg collection to use (some commands)-- Objcheck validate object before inserting(Default)-- Noobjcheck don't validate object before inserting-- Filter arg filter to apply before inserting-- Drop each collection before import-- OplogReplay replay oplog for point-in-time restore-- OplogLimit arg include oplog entries beforeProvided Timestamp (seconds [: ordinal])During the oplog replay; the ordinalValue is optional-- KeepIndexVersi

-o/tmp/user.csv 2016-05-31t20:01:05.393+0800 failed:csv mode requires a Field List mongoexport-d testdb-c user--type csv-f "id"-o/tmp/user.csv con nected to:localhost 2016-05-31t20:01:46.534+0800 exported records cat/tmp/user.csv ID 1 2 3 4 5 6 7 8 9 10 Data import Mongoimport Parameter description: -D database name-C Collection Name--type imported format, default JSON-F Imported Field names--

"--csv-o/root/test.csv Export data based on criteria: Copy Code code as follows: # mongoexport-d Yourdb-c yourcoll-q ' {score:{$gt: '} '-o/root/yourcoll-bk.json More Mongoexport Detailed Collection Data Import-mongoimport To restore the exported collection data: Copy Code code as follows: # mongoimport-d Yourdb-c Yourcoll--file/root/yourcoll.json Import