Cannot convert bson type string to date
WebNov 23, 2010 · problem is that your converting string s2 to string again and store it in DateTime variable Try this: DateTime dt = Convert.ToDateTime ("11/23/2010"); string s2 = dt.ToString ("dd-MM-yyyy"); DateTime dtnew = Convert.ToDateTime (s2); Share Improve this answer Follow edited Dec 21, 2010 at 10:30 abatishchev 97.3k 85 297 432 WebThe $toDate operator will convert the value to a date. If the value cannot be converted to a date, $toDate errors. If the value is null or missing, $toDate returns null: You can use it within an aggregate pipeline as follows: db.collection.aggregate ( [ { "$addFields": { "created_at": { "$toDate": "$created_at" } } } ])
Cannot convert bson type string to date
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WebBSON (Binary JSON) encoding and decoding. A Python int will be saved as a BSON int32 or BSON int64 depending on its size. A BSON int32 will always decode to a Python int. A BSON int64 will always decode to a Int64. all datetime.datetime instances are treated as naive. clients should always use UTC. WebApr 11, 2011 · I have a long string in JSON format, and I want to convert it into a BSONDocument for insertion into a MongoDB database. How do I do the conversion? ... string json = "{ 'foo' : 'bar' }"; MongoDB.Bson.BsonDocument document = MongoDB.Bson.Serialization.BsonSerializer.Deserialize(json); ...
WebThe System.FormatException with the message " XXX is not a valid 24 digit hex string" is typically thrown by the MongoDB driver's ObjectId.Parse method when the specified string is not a valid ObjectID value. ObjectIDs are unique identifiers used in MongoDB documents, and are represented as a 24-digit hexadecimal string. WebBSON strings are UTF-8. In general, drivers for each programming language convert from the language's string format to UTF-8 when serializing and deserializing BSON. This makes it possible to store most international characters in BSON strings with ease. [ 1] In addition, MongoDB $regex queries support UTF-8 in the regex string. [ 1]
WebYou likely have one or more docs with a created_at value that's not a BSON Date and you'll need to fix that by converting those values to Date or removing them. You can find those … WebFeb 23, 2012 · To convert a bson to json, do: import org.bson.BasicBSONDecoder; import org.bson.BSONObject; BasicBSONDecoder decoder = new BasicBSONDecoder (); BSONObject bsonObject = decoder.readObject (out); String json_string = bsonObject.toString (); Share Improve this answer Follow edited Mar 21, 2024 at 14:41 …
WebJun 3, 2024 · You can use following script which will convert the property to ISO date. (Please make backup of your db. Incase something doesn't go right) //change test to your collection name db.test.find ( {}).forEach (function (doc) { doc.date = new Date (doc.date); db.test.save (doc); }); Share Improve this answer Follow edited Jun 3, 2024 at 12:40
WebNov 5, 2024 · cannot convert bson type string to date Ask Question Asked Viewed 40 times 0 I'm trying to execute this mongodb query : db.getCollection ('collection').aggregate ( [ {$project: {yearMonthDay: { $dateToString: { format: "%Y-%m-%d", date: "$date" } }}}, {$match: { yearMonthDay: { $eq: "2024-03-02" } }} ]).count () but I got this error : ravi ross 2022WebNov 12, 2024 · Getting an error, 'Can't convert from BSON type objectId to String' when using MongoDB aggregation Ask Question Asked 3 years, 4 months ago Modified 3 years, 4 months ago Viewed 620 times 0 I am trying to get the last message of every single conversation between User 1 and User N. ravi rothWebJan 14, 2024 · I was trying to decode the data of the cursor into a map[string]interface{}, I tried it directly but it doesn't works at all, so I fount that I have to convert it to a BSON document and next convert it to a map[string]interface{}, and finally into a JSON string. I tried the following code: dr vanags jesup gaWebApr 14, 2024 · cannot convert from BSON type string to date (16006)). { _id: { $substr: ["$gateway.reverse.errors.message", 0, 500] }, acum: { $sum: 1 } } They help me? Thanks you mongodb aggregation-framework Share Improve this question Follow edited Apr 14, 2024 at 5:32 prasad_ 12.5k 2 24 35 asked Apr 13, 2024 at 23:34 Junior Hernández 11 1 … drva na domravi rossWebYes, String property in C# object has Int32 value in mongo storage, so you have exception during serialization (see code for MongoDB.Bson.Serialization.Serializers.BsonStringSerializer class). 1) You can define your own serializer, which will deserialize Int32 values to string property as well as String … ravi ross bunk\\u0027dWebDec 9, 2024 · 1 Answer Sorted by: -1 You should never store date/time values as strings, use proper Date object. Convert the string to Date, then you can extract monthDayYear: { $dateToString: { format: "%m/%d/%Y", date: { $dateFromString: { dateString: "$conDate", format: "%Y-%m-%d %H:%M:%S"} } } }, Mongo Playground Share Improve this answer … ravi roy murnau