I've got a table to store collected data from several energy meters, then I created some views to show data from specific meters only. Now I want to combine those views for an overview of only interesting data. As far…
We are structuring a project where some tables will have many records, and we intend to use 4 numeric foreign keys and 1 numeric primary, our assumption is that if we create an index for each foreign key and the…
CREATE TABLE Log ( "Name" TEXT, "Age" TEXT, "Country" TEXT, "Numbers" TEXT ); SELECT "Country", "Numbers" FROM json_populate_record( null:: log, '{ "Name": "qazwsx", "HostName": "Age", "Address": { "Country": "MNB", "Numbers": [ { "Cell": 7418520 } ] } }'); SELECT *…
Let's say I have a table in Postgres that stores a column of strings like this. animal cat/dog/bird dog/lion bird/dog dog/cat cat/bird What I want to do, is calculate how "correlated" any two animals are to each other in this…
We have a column in a PostgreSQL table with the following data: 1A 1ABCD 1B ABCD1 2 ABCD2 3 ABCD3 ABCD4 ABCD5 ABCD10 ABCD11 ABCD1111 A B Expected result after sorting: 1 2 3 1A 1ABCD 1B A B ABCD1…
I have two queries that returns the total number of issuances and redemptions from two different tables. This one returns issuances, around 18k select count(*) from issuances_extended WHERE status = 'completed' This one returns redemptions, around 7k select count(*) from…
Does anyone have an example of how to get values from the secret manager on GCP in a .yaml file (application.yaml or bootstrap.yaml)? Thanks! application.yml: spring: datasource: password: ${sm://projects/my-project/secrets/password/versions/1} bootstrap.yml: spring: cloud: gcp: secretmanager: enabled: true secret-name-prefix: 'sm://' Unfortunately I…
I want to UPDATE table row in member_network table using WHERE clause by team_id = 91 and using JOIN. Main table member_network structure look like: | id | network_profile_name | |----------------------------| | 1 | John Doe | I have two…
I have a Model with a JSONField: class MyModel(models.Model): locale_names = models.JSONField() The shape of the JSON Field is simple: keys are language codes (en, fr...) and values are translated strings. I'm trying to build a search query that does…
Now I learn about nested jsons and geojson and how to save them in PostgreSQL as JsonB directly in database and before starting. Inspiration source: https://thorben-janssen.com/persist-postgresqls-jsonb-data-type-hibernate/ Error I get when running the app: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory'…