Upon utilizing the datastax node.js driver, an exception code has surfaced as indicated in the documentation at . Yet, I am unable to locate any comprehensive documentation detailing all available exception codes. Does anyone have suggestions on where to ...
Currently, I am storing data in JSON format within a Redis ZSET with timestamps as scores. <timestamp_1> - [ { "key1" : 200 }, { "key2": 100 }, {"key3" : 5 }, .... {"key_n" : 1} ] <timestamp_2> - [ { "key50" : 500 }, { "key2": 300 }, {"k ...
When working with Express Cassandra, I have a method that retrieves data from a table using the "contain" keyword where the data type is SET. Currently, I am able to get data from the table by specifying a single value in the contain clause. Here is my cus ...
I keep encountering the error message below. Any thoughts on what might be causing it? TypeError: "value" argument is out of bounds at checkInt (buffer.js:1041:11) at Buffer.writeInt32BE (buffer.js:1244:5) at Encoder.encodeInt (/ ...
When attempting to execute the code snippet: var result = 'select message from people.users where event_time > ? and event_time < ? allow filtering'; Using the client.execute function: client.execute(result,[startdate,enddate], function(err,result ...
Could you please assist me? I am encountering the following exception when trying to cast a JSON string to a custom Java object. org.codehaus.jackson.map.exc.UnrecognizedPropertyException: Unrecognized field "acknowledgedby" (Class com.xchange.model.Xchan ...
I am currently working on developing a consumer-producer application. In this application, the Producer generates data on specific topics. The Consumer consumes this data from the same topic, processes it using the Spark API, and stores it in a Cassandra ...
Is it possible to determine if a row in a Cassandra table has been modified without comparing dates before and after updating the row? I am looking for a way to verify if a query executed properly using python scripts after an update operation, without r ...
I am currently working on a project that involves reading data from a Cassandra table using Java with sparkSession. The goal is to format the output as JSON. Here is the structure of my database: CREATE TABLE user ( user_id uuid, email ...
Utilizing the cassandra-driver module within node.js, my current objective entails emitting a notification in the user interface indicating "DB is in down state" when a Cassandra node experiences downtime for any given reason. The main goal is to promptly ...
Currently, I am attempting to extract multiple columns from a Cassandra table where one of the columns contains JSON data. I have been using DataStax QueryBuilder to form the query, but so far my attempts have not been successful. Select.Where selectByKey ...