Firestore query timestamp android. Add a simple cursor to a query.

• Firestore query timestamp android fromDate(new Date('2021-01-01')); const end = How to configure timestamps for Firestore 1. long time = I've noticed some Android app crash reports that indicate when the user writes a new comment the app will crash when trying to fetch new comments. You're trying to filter on StartDate and then order on Title, which isn't possible. What you can do instead is write a Cloud Function (probably an HTTP trigger, or a callable type function) that returns the current time, and invoke that directly from the client to get that timestamp. toLong() var ts = Timestamp(t) I am getting error: Cloud Firestore queries are immutable, which means that you cannot change the properties of an existing query. ASCENDING) but it didn't do anything it just a white page in my Android application. If those values are not useful to you, you can convert the Timestamp to a Java Date object using its toDate() method, but you might lose some of the timestamp's nanosecond precision, since Date objects only use microsecond precision. If you change the value by calling whereLessThan() method, it becomes a new query. When I attempt to query for all documents ">" or "<" right now, the query works fine. Android Firestore, How to set multiple timestamp in one document. Flutter: query Firestore document by timestamp. whereEqualTo("monthYear", "May-2021") The second solution would be to change the type of the "date" from String to Timestamp. Firestore does not compare integers with timestamps. This is how your model class should look like: I want query in Firestore database where post author equals current user [this part works fine]. where() and Query. An example Firestore query with an invalid range (async) An example of an invalid order and limit Firestore query; An example of an invalid order and limit Firestore query (async) Update a Firestore document Timestamp; Update a Firestore document Timestamp (async) Update a Firestore document using merge; Update a Firestore document using If you are talking relative to the user's own timezone and not based on a fixed timezone (e. Here's the code snippet. Timestamp. ADDED for each document that exists in the collection/query. It works fine i The document field for the filter is called "fulfilled", but you are using "isFulfilled" to filter it. I have a Timestamp field and i need to get the results when a field called "specificDate" is equal to now(). Here's an example: const start = firestore. Error: Invalid query. How to add a Timestamp in Firestore with Android? 0. time, so that rule won't always be true, even if there weren't expirated The problem is that startAfter() is expecting a query cursor for the parameter, not the timestamp that you are passing. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company suggest collectionusers collectionI have a simple suggestion page where I can type title and contents, then store some other information to the Firestore, show it on ListView pages. tasks. orderBy("timestamp"). 데이터 가져오기 및 실시간 업데이트 가져오기의 설명대로 이러한 쿼리를 get() 또는 addSnapshotListener()와 함께 사용할 수도 있습니다. Save a timestamp to It would be good to know that the firebase timestamp and the firestore one was in sync and compatible. Timestamp import com. You can either use a Firestore Timestamp object or a Java Date object with a range filter. A client call and some deeper materials on timestamp in the docs would not effect query performance and help immensely! const query = firebase. The query for this will look as follows — I'm trying to query Firestore documents by a Timestamp field (e. Save the time in HashMap (For example) as TimeStamp then update/set it to the cloud. Firestore has this object accessible and defined as Firebase. 참고: 코드 샘플에서는 여러 언어를 다루지만 샘플을 So, I have a firestore collection, and I want to get the data with sort by descending, and It is not working. collection('messages') . These queries can also be used with either get() console. FirebaseFirestore rootRef = FirebaseFirestore. Ir a Índices compuestos. See that the query is specified as: Query sChatQuery = sChatCollection. Some simple indexes are built in (whereEqualTo or orderBy on a single field) others must be created. I then want to listen to that collection via snapshotlistener, but just for new documents. However, to define a specific range for a query, you should use the where() method described in Simple Queries. limit(50); With firebase what I am doing is convert the date in to an Unix timestamp value, store that value in firebase. When I try to add a new document the app cr This is the UserLocation Object (only code relevant to timestamp): public class UserLocation { private GeoPoint geo_point; private @ServerTimestamp Date timestamp; private User user; public Date getTimestamp() { return timestamp; } public void setTimestamp(Date timestamp) { this. Related. android - Firestore get item position in order by That been said, the Query will look like this in Kotlin: val rootRef = FirebaseFirestore. Or do I have to store the date as a long in the firebase and then convert it maybe? I have have a Datepicker in my android app written in kotlin, i get year month and day, but i need to save this in Timestamp in firestore database, to query the results by date for example, i have no problem in converting Timestamp to Date or to day month and year. Take a look at Order and Limit Data with Cloud Firestore. Before you run your queries, read about queries and the Cloud Firestore data model. serverTimestamp()); // Now update to the cloud Query like this: Query query = FirebaseFirestore. Bonus Tip: Instead of converting it yourself (and if you don't mind open source libraries), I'd suggest using @AlexMamo I want to place a document in time. Enable "Cloud Storage for Firebase API”. The result is always giving an empty list. g. Pagination — Same as 2, add more snapshot listener on-demand but based on created_at of oldest record we got from query 2. This github repository contains the relevant code which I am using. Is there any direct way so that I need not to worry about the wrong date/time set in the android device of the user. Neither query operator will match documents where the specified field is not i am trying to query the selected document from firestore collections based on field value. There is convenient Timestamp method to work with Java Date : Cloud Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection. Please see below how you can I think I had this issue as well. Here, N is the size of a single page or number of items you want to observe at once. Query query = mFirestore. To filter a Timestamp you can pass in a Date object. Sharing the whole code doesn't have sense, the important Firebase console. And when I retrieve the data, the same, I convert the Unix timestamp value to a type Date. value; // starting date. ASCENDING) Structure of my database is: my code for upload timestamp: Timestamp dd= Timestamp. firestore() . whereEqualTo("month", 3); How to query Firestore for dates in a certain month in an array field. getResult(). fromDate (new Date ('2023-12-31T00:00:00. You will have to write code to remember these Query firestore database on timestamp field. limitToLast(20); This will give you 20 latest chats in ascending order timestamp. A query cursor identifies the document: Paginate data with query cursors | Firebase; What you need to do is save the doc to a variable at the class level and then pass that in with the next one: // in the class variables at the top latestEntry: any; // then If you want to add a Timestamp type property using an object of Product class, please define the field in the class to be of type Date and use the annotation as below: @ServerTimestamp var product_added_date: Date? = null, When you create an object of the Product class, there is no need to set the date. android. db . Firestore’s timestamps use nanosecond precision, whereas Javascript datetimes use millisecond precision: import This is happening because you are not using the timestamp as server value timestamp. timestamp: (Dec. Firebase query value in time range ordered by desc. You can add query filters using the . instance . How to get timestamp format data from Firestore Node. – I am trying to create a chat using the Firebase-UI library for Cloud Firestore. These queries can also be used with either get() Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection or collection group. Follow edited Jul 24, 2018 at 13:48. Could you edit the question with the source data and specific results of the query that show they are in an order that you didn't expect? We should be able to duplicate the issue using what Firestore query with timestamp. That won't work at all. You can do that with the method getTime(). Frank van Puffelen Firestore - Query via Timestamp doesn´t return results. DocumentReference. The query to firestore: import { firestore } from 'firebase'; and then replacing all Date object types with firestore. getInstance(). collection (COLLECTIONS. I would add one more field in the Firestore, which accepts Unix time in milliseconds. I am from Indonesia, and my Firestore database is also in region asia-southeast2 (Jakarta Now, having the type of the date property as Firestore Timestamp, your query will work perfectly fine. The problem comes with the order of the query. I'm trying to delete items in firestore based on the documents time stamp, I'm fairly sure the code is right and I'm definitely sure the timestamps match and yet I get a null pointer java. I'm building a Bank app and want to show history for transactions on the account, When I save the time to Firestore its format as a timestamp, but when I try to display it in my RecyclerView its just seconds and nanoseconds. If you are dealing with a string value: you can remove the last 3 digits to make it Date. ServerValue. I have a date saved in Firestore as timestamp saved with this code through hashmap. Commented Nov 7, 2023 at 16:59. 1 Firestore Query by timestemp with flutter Android Cloud Firestore document fields query. In chat object I am adding time stamp using Firebase. The most important thing is to create a I have a query that orders by my timestamp value in my server, the currently timestamp is set by my pojo as a date. This is stored with FieldValue. For other cases, create a separate query for each OR condition and merge the query results in your app. To get the TimeStamp type, you just import Firebase into the file you need it in. But after the query is complete, we still need to transfer all of that data to your device, and that’s the part that’s running When the user selects that tab I need to compare the DATE ONLY - no timestamp and show a stream of games that have a matching date field in local time. In my Firebase Firestore, I have a collection of comments. The problem is i can't find a way to create the Timestamp with seconds and Query chatQuery = conversationReference. as you can see, there is UTC+7. Your query. gms. How can I query the data created in last 7 days. Hot Network Questions I thought this wasn't going to change anything because all the end dates were days ahead of today, but may be related to something I read elsewhere: "Firebase is validating that the query matches the rules, then runs the query if it passes. From the linked documentation: From the linked documentation: You cannot order your query by any field included in an equality (=) or in clause. orderBy("date", Query. 72. I'm using the below query to fetch the posts: Cloud Firestore は、コレクションまたはコレクション グループから取得するドキュメントを指定するための優れたクエリ機能を備えています。 これらのクエリは、データを取得するとリアルタイム アップデートを入手するで説明しているように、get() または addSnapshotListener() とともに使用すること Could someone help me with a query I'm trying? I have put some test data to Firestore to test my app. 0. However, if you insist to store the dates and times as Strings, the option that you have is to store them in a format that can be sorted lexicographical and chronological at the same time. After that, I tried using . I check this timestamp prints result: Timestamp(seconds=1676893243, nanoseconds=682000000) I get fireStore data with timestamp query like the below code. id. collection("billNo"). (Proper documentation is now available. Ir a Bases de datos Yes, there is! The simplest way to achieve this is to add a date property to each object in your collection, then simply query it according to this new it! As @eyyo mentioned in his comment, here is a concrete example. To be able to query your database according to a periode of time, your timestamp property should be o type Date and not long. textMatchDate). Meaning I query with whereEqualTo my routineKey, order it by the Started TimeStamp in descending order and then limit to 1 and then take the this 1st Key/Id of the Workout. So to solve this, please chain all method calls and store them in a new Query object like this:. Below is what I have so far, which sorts the X oldest messages by timestamp, but ignores all messages Note: The google-services. So if you want to match all timestamps for an entire day, that is a range of timestamp values. En Firebase console, abre la página Índices compuestos de Cloud Firestore. now(); long tt=dd. getMetadata() method or QuerySnapshot. Assuming that your database schema looks like this: Firestore-root | --- history (collection) | --- docId (document Cloud Firestore has a way of dealing with server timestamps that have not committed. Querying data in firestore by timestamp. Here is how you can add the timestamp using a model class. serverTimestamp() you can use . fromDate() function to convert a native Date object in Javascript to Firestore’s Timestamp object. I have a field datetime which is a server timestamp, which denotes the time of user creation. I've just started using Firestore and am trying to create a security rule to support this kind of query from my app (Android/kotlin) firestoreDb. You need to specify which field you are wanting to search. Firestore - Nested query. How to retrieve data based on latest timestamp. I am trying to do the same with the timestamp field and date things are not working. Test timestamp queries in Firestore. Since you want to query on travel date, for newbies (me). I have multiple tabs with one changing view so it isn't a 1:1 ratio of If you want to query your "Sale" collection by the "Date" property, you have two options. For example I have three records in my database like these: 7 July 2019 at 06:40:00 UTC+5:30 9 July 2019 at 03: Find in menu: Firestore -> It will automatically enable "Cloud Firestore API” & “Firebase Rules API” services and will create Firestore Database. 000z')); firestore. The problem is that you are multiplying the timestamp by 1000. I want to query the data of the current users signed in and then get only the data that was saved to the database today. To optimize the performance and cost Run; Run your app with confidence and deliver the best experience for your users If the Timestamp is a Firestore. collection(viewType. Cloud Firestore provides limited support for logical OR queries. The document has a "date" field (Timestamp) inside it, I would like to get data that fulfill the given date range (after and before) from user input. See FireStore Timesteamp. Direction. getSeconds(); hashMap. ; Find a way to combine the timestamps with the latitude and longitude in your own value type, I am tring to query to a Firestore database to a collection and filter by date. Late reply, but I'll write a solution in hopes that it will help. I used Firebase Firestore to create a realtime recycler view with pagination, but the problem is that I am trying to order the documents using Timestamp. Story identification - alcoholic android Is it ethical to break a law even if it is The only ways to filter on latitude, longitude and date:. But when I do my fetch code I am currently working on an blog app in which i need to filter the data according to the time, i want data's in decending order from current time but don't know which filter e. I have a view in my web app where I'm displaying posts and would like to display the name of the user who posted. Only postDate descending is coming. startDate: firestore. E. Note: While the code samples cover multiple languages, the text explaining the samples refers to the Web method names. Try converting the number into a Date: whereGreaterThan("timestamp", new Date(oneDay)) So here it just says there is a variable named timeStamp of an optional Timestamp data type and there is no value assigned so it is nil. The simplest way to solve this would be to get the User's date as an object of type Date and perform a query that looks like this:. You can pass a Date or Timestamp object from the SDK for that comparison. delete()' on a null object For slow Query performance you can refer to the reasons and resolution steps mentioned this blog: Probably the most common explanation for a seemingly slow query is that your query is, in fact, running very fast. Query cursors. What am I So what you want isn't possible with Firestore at the moment. Essas consultas também podem ser usadas com get() ou addSnapshotListener(), conforme descrito em Retornar dados e Receber atualizações em tempo real. FieldValue. First I am getting the groups ids from the sub collection inside user document and they are ordered by timestamp, Then, I am using whereIn() to get the groups objects from the groups top level collection by passing 'groupsIds' ArrayList. collection("Questions") . 0 Query date range AND time range in firebase. val dateFormat = SimpleDateFormat("dd-MM-yyyy") val date = findViewById<TextView>(R. js. And I want to show the old data (25-12-2021) and before that in another As you can see in the API docs, the collection() method returns a CollectionReference. In Cloud Firestore, the ORDER BY clause of a query determines which indexes can be used to serve the query. Modifying a timestamp field in a document. FirebaseFirestoreException: INVALID_ARGUMENT: Order by clause cannot contain duplicate fields uploadTimeStamp. firestore. var s = document. This is my database: java Given the query constrants of Firestore (only one range filter per query) combined with this document schema (start and end date being separated), there don't seem to be many other options. Date date = new Date((long)timeStamp*1000); Ex: Data -----> Unix timestamp As I see your code, you are using the following query: val queryPostsByTimestamp = FirebaseFirestore. != finds documents where a specified field's value does not equal the specified value. v1 the document contains now create_time and update_time, both being of type Timestamp. I have a Unix timestamp (in seconds) in my app which I like to compare this to (using isLessThan:), but the value in Firestore apparently is inside this Timestamp object. See more linked questions. 86. firestore. In order to use Firestore Query's whereEqualTo(String field, Object value) method in a correct way, please convert the long value to a Date object before using it like this:. collection("Posts") . Filtering timestamp query on firestore. Get documents from firestore based on timestamp field. If you want the current Date as a timestamp you can use the following I have timestamp field in Firestore. google. So I wonder how I could order the data correctly from my query from firebase. It's not possible to get the server timestamp from Firestore without using a database operation. so you don`t have to write query condition you only need this sentence get ~ \"limit(20)\" – dontknowhy. The firestore document has a field: timestamp: "April 4, 2022 at 10:17:30 PM UTC+2" My djangomodel has field: timestamp, when i print it it gives me "2022-04-04 22:19:19. Nota: Si bien las muestras de código abarcan varios lenguajes, el texto explicativo usa los nombres de los métodos para la . snapshots(), But that seem not to work. True, there is no query for time created/modified, but when you fetch a document those fields exist in the payload. orderBy("country"); Every query in Cloud Firestore must hit an index. 22, 2017) uid: [uid] There is more data present in the actual DB, the above just illustrates the collection/document/field structure. where(‘ts’, ‘>=‘, new Date That is not the correct way of how to add the time and date to a Cloud Firestore database. fromDate( new Date('2020-02-12 00:00:00') ) const Cloud Firestore proporciona una potente función de consulta para especificar qué documentos deseas recuperar de una colección. Either change the schema to support the required query, or accept that this requires some extra overhead. ordered by their timestamp field. but multiple documents not able to fetch from Firestore using single query. value; // ending date. collection(" Using firestore v9 I faced up with 1 problem. import com. citiesRef. collection("posts"); I am using firestore to save transactions and querying data by timestamp field like that. Add a simple cursor to a query. update ({timestamp: firestore. Para cada índice con el campo timestamp, haz clic en el botón more_vert y, luego, en Borrar. For example if you want to allow filtering for a specific week, you could store the day in 2021-05-26 format, and do an in query on 7 values. "StartAt","EndBefore" to use for getting new post data. DESCENDING) method. 4. Does your date and time stored on Firestore as String? You should use Time stamp. data class Timestamp(@ServerTimestamp val timestamp:Date? = null) This timestamp is place in firestore as. Now flip this list and I've been thinking about a problem similar to yours. "2021-07-25T17:56:40. So kindly download your own . Timestamp. You have: payload. How should I query users created between a Firestore. proto. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a In google. Task com. Firestore queries can only sort or filter range on a single field. e. Queries in Cloud Firestore, Query limitations Query filters. Use an equality filter for date, by storing them in a format that allows for that. How should I query the firestore data by Timestamp objects in Firestore are very specific points in time, with a microsecond precision. but here is my timestamp field in my document. orderBy("timestamp", Query. 373Z" but you won't be able to perform date range query on this. Firestore query by dates and times separately How to filter results in Firebase using timestamp? Android. For example: for today (26-12-2021) when I open the app I want to see ONLY the data created today in an activity. If you want to set the property value of a given document to a timestamp, you’ll need to use the Quick firebase cloud firestore guide on how to use timestamp to filter and order documents. 8. So I update my timestamp to the newest document-timestamp received, and try to query only the documents newer than my timestamp. Allowing access to your localhost resources can lead to security issues such as unwanted request access or data leaks through your localhost. toDate(). json file and place it in the app folder of the project to access Firestore and Firebase Is there a way to compare timestamp to date in a query? I will use device date to compare to timestamp. GCP Console. And every time you do that, docChanges will fire with doc. Let's call order_created_date. You should pass a where clause to query. whereLessThanOrEqualTo() methods, will always yield no results. doc['_document']. However this does not work. DESCENDING) However, the timestamp field in your database is a Firestore timestamp type field. But somehow if I change the sort orientation to ascending the query is working perfectly. Since your field dateformatted is a Timestamp, make sure to query using Firestore's Timestamp. Firestore request with filter on timestamp property does not work. toDate(); Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Data structure: To stick with Todd Kerpelman's examples:. collection(userID) . collection("messages"). How to get server Timestamp from Firestore in an android device? 0. Query. Hot Network Questions You are getting task. To solve this problem, you Reference for Timestamp. This is a limitation of Firestore and there is no way to work around this in a single query. Firestore. What I try to accomplish is the following: I have a collection where documents get added with a timestamp in them. Every comment looks like this (time is of type Timestamp) I've built REST API using Cloud Functions. Overview; HostAndPort; RulesTestContext; – Timestamp; FirebaseDataDecoder – DateDecodingStrategy; FirebaseDataEncoder – DateEncodingStrategy; FirebaseFirestore currently, I'm trying to query some Timestamp data from my application. The best practice is to have a model class in which you can add a date field of type Date together with an annotation. getElementById("firstDate"). How to query for an entire day with timestamp values in Firestore. 2. There is a GET method for comments endpoint. lang. TIMESTAMP method. Then while retrieving the list of the Orders, you can use the same orderBy("order_created_date",Query. )not-in finds documents where a specified field’s value is not in a specified array. itemHashMap. Timestamp field returns something like Timestamp(seconds=1599170400, nanoseconds=0). In that case it will compare numbers. size() = 0 because you are passing in your query to the whereEqualTo() method as the second argument a primitive long and not a Date object. where("timestamp", ">", "3/24/2020") a String which is not correct since your timestamp property in the database holds a Date object and not a String. Android Firestore Multiple value Query with sorting timestamp Descending. firebase. Edit Jan 21'th 2022: In Android, you can call DocumentSnapshot. So if you are storing the timestamp in milliseconds, you are doing it wrong. To solve this, instead of passing the date as a String ("3/24/2020") pass it as a I want to query my Workout Collection for the latest workout from a routine. " In my case, I was requesting with a Date ahead of request. Date date = timestamp. single WHERE condition is working fine. For example, an ORDER BY a ASC, b ASC query requires a composite index on the a ASC, b ASC fields. Query query = db. collectionName()) Edit: According to your first comment: By using your code data is coming but "postViews" descending is not happening. com/docs/reference/ If you want to filter on a date/timestamp, you will usually need to have two conditions in the query: the start timestamp and the end timestamp of the range you want to get back. This avoids having to work with the database, and you'll end up I am using Firestore to store the details of users. Your timestamp 1466769937914 equals to 2016-06-24 12:05:37 UTC. Load 7 more related questions Show fewer related questions Sorted by: Reset to default When you run the app again, you're re-attaching a listener to the collection/query. Indexing considerations. My code for retrieval is I am using a date range picker where I will let my user set the date range of the data that they will query from firestore. Type. As you know, "firebase. Order and limit data Cloud Firestore Index Definition Format; Emulator Suite UI Log Query Syntax; Emulator Suite Security Rules Unit Testing Library. If you don't want to take action on documents you've acted on before, you'll have to track that yourself. The Firebase release notes suggest there are now not-in and != queries. 514590+00:00" I want to retrieve firestore data if timestamp firestore object > djangoObject_timestamp. toISOString() i. serverTimestamp() when I save this field. It's not working because you are passing to the . where('showtime Everything you need to know about Firestore server timestamps, including writes, queries, security rules, and time travel safety tips. If you are a beginner or would want to try out the magic with cloud firestore for city_ref = firestore. Nota: Si bien las muestras de código Whenever you encounter a use case when you need to compare two timestamps in your application, you can use the Timestamp. type == DocumentChange. Estas consultas también se pueden usar con get() o addSnapshotListener(), como se describe en los artículos sobre cómo obtener datos y obtener actualizaciones en tiempo real. I have tried to use . The typical approach is to create a timestamp of one day later, and then add that to the second clause needed for the range: You must have an array of objects (Firestore map type) and query with the exact and entire object. whereEqualTo and orderBy work separately but not combined. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am attempting to create a chat app using firestore. Reference: Unity C# Firestore. firestore timestamp query not returning value. Estas consultas también se pueden usar con get() o addSnapshotListener(), como se describe en cómo obtener datos. – An Android. If you have problem with this approach, please create a new SO question with your exact code and database structure and add a comment below with a link to it. doc " #{collection_path} /new-city-id" city_ref. You'll either have to filter on one field in the query and the other one in your application code, come up with a different data model that gets you a closer match to the use-case with Firestore's query capabilities, or consider using a database that better supports your needs. i couldn't build the index in firestore correctly, so went to firebase project / cloud firestore / indexes, deleted what was there, ran the code, and vs code gave me exact url to biuld the index in the way the code needed it. How to get server Timestamp from Firestore in an android device? 1. orderByChild("last_time_stamp"). CollectionReference extends Query, and Query objects are immutable. You don't have to pass anything to the Query cursors define the start and end points for a query, allowing you to: Return a subset of the data. I am using firebase for my chat application. 1 How to query firestore for documents with a timestamp field? 0 Android Cloud Firestore document fields query. Passing a Calendar object to the . whereEqualTo("room_id", "c_1") . getMetadata() , which both return an object of type SnapshotMetadata . Store as new Date(). Add a comment | 32 Web Firestore Timestamp: Firestore collection query on timestamp field using epoch timestamp. whereGreaterThan("population", 100000). I already can get the value of the date range picker and store it from a variable. serverTimestamp() If you want the date value of firebase. text. I have a function that fetches posts from my firestore db and I am following the docs for paging a query by last index document but for some reason after first fetch when trying to run the next query I receive com. createTime and payload. you are on the east coast, but HQ is on the west coast), you can use this: Cloud Firestore proporciona una potente función de consulta para especificar los documentos que quieres recuperar de una colección o un grupo de colecciones. getInstance(); CollectionReference postsRef = rootRef. Cloud Firestore 는 컬렉션 또는 컬렉션 그룹에서 검색할 문서를 지정할 수 있는 강력한 쿼리 기능을 제공합니다. Observação: os exemplos de código I have the problem related to parsing Firestore Timestamp in Android app. parse(date) timeStamp is then saved to firestore. orderBy("timeStamp", Query. getInstance() val queryByMonthYear = rootRef. 1. The Firestore documentation on queries contains this similar example of a query that isn't allowed:. Timestamp, then it is stored as a nanosecond accurate date. Sure it's not good practice to rely on private fields, so will prolly need ongoing adjustments as Firestore changes its data model, but for now, for my #方法1：firestoreの複合インデックスを使用する firestoreのインデックスタブ、複合インデックスを作成し、item_idとstarted_idをAscendingで登録したのち、以下記述する。 I'm using firestore in my android project, everything working fine. This is the android way. Firebase Firestore cloud functions: filtering I did this in android idea might be helpful. . Timestamp; The problem is I can't seem to find a way to get access to Timestamp in node. I have tried logging both the admin and functions object but cant seem to find Timestamp at all timestamp フィールドを含む既存の複合インデックスを削除します。 更新後のクエリをサポートする新しい複合インデックスを作成します。インデックス内のフィールドの順序は重要です。timestamp フィールドの前に shard フィールドを配置する必要があります。 Com o Cloud Firestore e, você tem um recurso de consulta eficiente para especificar os documentos que pretende recuperar de uma coleção ou grupo de coleções. While Updating Firestore Data timestamp is null. whereGreaterThanOrEqualTo() and . collection("POLL") . whereLessThan("START_DATE", date2) Cloud Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection or collection group. And then I upload the object as I would do normally without passing any value with timeStamp. Share. Improve this answer. DESCENDING) Most probably to get a list of Post objects from I want to get the elements of the array in and put it in an array in the Java file I use inside the application I want to create an array inside the Java file in which the same imports elements from. You must use the same name of the actual field. and I want to sorting post with timestamp and order by DESCENDING. now() compliant firebase. When I attempt to query for ">" or "<" 7 days ago, the query returns nothing. if the index you are building is not producing correct results, maybe this approach will work for you too. It certainly is. I used whereLessThanOrEqualTo("timestamp", previousOldestMessageTimestamp) but this returned 0 messages. The in, and array-contains-any operators support a logical OR of up to 10 equality (==) or array-contains conditions on a single field. Summary. CollectionReference IOTransactions = db. So, change your model class according with my answer from that post, also don't forget the @ServerTimestamp annotation I want to query firestore collection on timestamp field but only on date (NOT TIME). Get current server Date and Time in Firebase Firestore. log("Get firestore run >>"); var f = document. The Timestamp has two components, seconds and nanoseconds. method of the Firestore Timestamp to build the query: const timestamp = firebase. Convert date to timestamp for storing into firebase firestore in I want to query data with the timestamp and get data that belongs to a particular month or date. Build; Get to market quickly and securely with products that can scale globally I am trying to create a firebase firestore timestamp object by passing number of seconds to it, but it is not working. I found GeoFire for Android which uses a Cloud Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection. One of the options is to estimate the value. But Yesterday an issue occurred on getting timestamp value from document snapshot. In result you get 1466769937914000 which converted equals to 48450-02-01 I created an android application that shows me my firestore database that I created but my problem is that I want to show the data by date in a specific way. You are setting the timestamp using the Date class this is not how you must do it. collection("rootcollection"). json file is unique for each Android project. Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection. getElementById("secondDate"). updateTime. I also logged and saw that Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI Firestore - query where filter of object in array field. These queries can also be used with either get() or addSnapshotListener() , as To query on this Firestore field, you need to convert the date to timestamp and then query. document("userData"). timestamp = timestamp; } } A Timestamp represents a point in time independent of any time zone or calendar, represented as seconds and fractions of seconds at nanosecond resolution in UTC Epoch time. serverTimestamp()" cannot be used for querying, and it is very uncertain to query with the device's built-in Timestamp. These queries can also be used with either get() or addSnapshotListener(), as described in Get Data. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am using server timestamp of Firestore also storing the time in milliseconds. the time they last updated a menu). Let's say I'm trying to get all restaurants within a certain radius ordered by a timestamp field (e. field_server_time}) What's next To search and filter code samples for other Google Cloud The documents all have a timestamp field. where('owner','==',userID) . orderBy() return new Query objects that add operations on top of the original Query (which remains unmodified). between a start and end date). Time object. I'm trying to display the data from Firestore order by timestamp descending order, I follow the documentation but it seems that I did something wrong. Commented Oct 11, 2019 at 6:31. Attempt to invoke virtual method 'com. const fs_snap = Firestore use Timestamp class to represent DateTime on the client (Android), and it does not store TimeZone information. Here's how you can query: const date1 = firebase. This means it is uploaded as nil and Firestore automatically assigns it a server timestamp. If you want to use cursors for paginating data, take a look at Paginate Data with Query Cursors. What you can do is modify/augment the data model to allow your use-case. Use the startAt() or startAfter() methods to define the start point for a After reading order-limit-data and query-cursors I came up with those solutions, sadly none of them worked. If you want to query a timestamp field in a collection, you can use either a java Date or Firestore Timestamp object with a range filter. where keyword. I need to get the users created today. You can only compare timestamps with timestamps. Ask Question Asked 5 years, Firestore query - orderBy using timestamp returning null Query and filter data Firestore provides powerful query functionality for specifying which documents you want to retrieve from a collection or collection group. * var timeStampString:String = "1438910477" var t = timeStampString. En la consola de Google Cloud, ve a la página Bases de datos. put("timestamp", FieldValue. But your timestamp already holds a value in milliseconds not in seconds (this false assumption is most likely the reason you have the multiplication). Firebase Firestory query where stored timestamp is in the past. My message class has a timestamp in the form of a Date object. I would like the chat activity to load the most recent X messages, and add any new ones to the bottom in realtime using a SnapshotListener. put("ServerTimes",tt); my code for download timestamp: Order and limit data. toString() val timeStamp = Timestamp(dateFormat. These queries can also be used with either get() or You can use Firestore's query options to fetch data within a specific time range. I need to show the message received time in my chat application usin EDIT Sep 18 2020. You are trying to start or end a query using a document for which the field 'timestamp' is an uncommitted server timestamp. DocumentSnapshot has variations of field accessor methods (such as getData()) that take a ServerTimestampBehavior enum to indicate what the SDK should take as the value of that server timestamp field. whereGreaterThan("START_DATE", date1) . Story identification - alcoholic android Does Fire's Burn use an Action to activate? When someone, instead of listening, makes assumptions There is no way in the Firestore API to query in a specific field in an array or on the dynamic keys of a map. I fixed it by casting to TimeStamp which is a Firebase type instead of Date and then converting to Date with dateFormatter before displaying. Invalid: Range filter and first orderBy on different fields. I also need pagination for that query, so I need 3 restaurants at first, then 3 more etc. I have a list of documents, and here 1 of them: end_hour: 21 master: &quot;WIZ1d74QmvMNDEQKulJyiQNCnad2&quot; start_hour: 13 working_day: January 11, 2 I want to get the list of groups the user has joined in ordered by timestamp descending. orderBy("date", descending: true) // 1 will be last, 31 will be latest . Android Cloud Firestore document fields query. Here is he code : Android SDKでの話です。特にDateからTimestampへの変換を忘れがちなので、備忘録として。https://firebase. Paginate query results. wgdgl vcaq pxzhf omyx ugqk wlrvrv goaa qhjmwwv xcnnoc bbjrmmr