I recently ran across an interesting comment in the PostgreSQL test suite: -- HAVING is effectively equivalent to WHERE in this case SELECT b, c FROM test_having GROUP BY b, c HAVING b = 3 ORDER BY b, c; It…
I have a django project which stores real-time data of a few devices. For this manner I have used timescaledb which is suitable for time series and it's based on postgres. Timescale offers a few hyperfunctions which I need to…
I have a Postgres table foobar with the following schema: id: integer group: integer foo: integer bar: integer timestamp: integer I keep track of updates to various groups, and those updates mutate the foo and bar properties. Every time I…
I am working in supabase postgres and wrote multiple postgres functions DROP FUNCTION IF EXISTS setup_auth_user; CREATE OR REPLACE FUNCTION setup_auth_user( email_value TEXT, name_value TEXT, password_value TEXT, wallet_address_value TEXT, private_key_value TEXT ) RETURNS user_info AS $$ DECLARE updated_user_info user_info; BEGIN…
I have the following code in PostgreSQL, which I need to reproduce on Amazon Redshift: select * from ( select distinct a.id , sum(case when a.is_batch_empty then 1 else 0 end) over (partition by a.client_id order by a.id) as empty_count…
I'm on Postgres 15.1 and have a node table as follows: CREATE TABLE node ( id TEXT PRIMARY KEY, is_skippable BOOL, prev TEXT REFERENCES node(id), "next" TEXT REFERENCES node(id) ); This table represents a series of doubly linked lists, but…
In PostgreSQL, when a column is marked as NOT NULL and no value is provided for it during insertion, an error is thrown. However, in MySQL, if no value is provided, the default value is set based on the column's…
I'm working on a Python project which uses Docker Compose with a Postgres service. compose/postgresql/Dockerfile: FROM postgres:16.1-bullseye COPY init.sql /docker-entrypoint-initdb.d/init.sql compose/postgresql/init.sql: (basic account setup) -- Create database & user CREATE DATABASE ${POSTGRES_DB}; CREATE USER ${POSTGRES_USER} WITH ENCRYPTED PASSWORD ${POSTGRES_PASSWORD}; --…
I have a JPA repository interface with the following method: @Modifying @Query(value = "DELETE FROM bivrip.bloop_options o WHERE o.bloop_id = ?1 AND o.id not in ?2", nativeQuery = true) public void removeOtherOptions(int bloopID, List<Integer> validOptionIDs); When the validOptionIDs contains at…
I'm trying to import a tabel from a CSV file. The table has two columns whose values are "$##,##". When I try to import I get an error. the error I've already tried using Numeric, Double Precision and Money my…