I am currently trying to add an message column to my table which is modelled to look like this public class Notification { [Key] public Guid Id { get; set; } = Guid.NewGuid(); public string ActionType { get; set; }…
From the array-functions docs: unnest ( anyarray, anyarray [, ... ] ) → setof anyelement, anyelement [, ... ] Expands multiple arrays (possibly of different data types) into a set of rows. If the arrays are not all the same…
For authorization flow, in middleware, I want to equal any value in a .eq statement. A normal user should only see a post if they created it. An admin should see any post though. const userMatcher = user.role === "admin"…
My system consists of Database (Timescale Db) and table telemetry_aggregations .Net Worker nodes (1...n) Every couple minutes, telemetry_aggregations table gets updated with couple hundreds of new rows. How system should work Every node periodically requests new batch of data (SQL…
I have 2 tables with flex one-to-many relationship, meaning the parent side may not have any child: Parent_table id dim1 quantity price 1 "abc" 1 1.00 child_table: id parent_id 1 1 2 1 The parent query is very straight forward:…
ыI have a table with a json as a field. The structure of a json is completly random but it never has inner objects inside. data {"test": "baa-1496", "test2": "baa-1431", "test3": "baa-1497"} {"test": "baa-1452", "test4": "baa-1597"} i want to turn…
Context I have this table: Time Metric A Metric B Value A A A 1 A A B 2 A A C 1 B A A 1 B A B 2 B A C 1 I want to get the…
I use PostgreSQL in my project and have three related models: class Timer(models.Model): start = models.DateTimeField() end = models.DateTimeField() task = models.ForeignKey( Task, models.CASCADE, related_name="timers", ) class Task(models.Model): name = models.CharField(max_length=64) wanted_duration = models.DurationField() frequency = models.ForeignKey( Frequency, models.CASCADE, related_name="tasks",…
I want to find rows that not contains exactly 8 numbers in Ident column, everything non numeric, white space, less numbers, more numbers.. From column in PostgreSQL. From table below I want get everything without row ID 5 ID Ident…
raise notice 'output %', arr[i]->>val; data_ = arr[i]->>val::text[]; raise notice is giving proper output as ["cust_full_name","cust_email"] but when 2nd line is giving error when executing SQL Error [42883]: ERROR: operator does not exist: json ->> text[] Hint: No operator matches…