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…
I use the id directly in the query, it has a low cost: -- Query 1. -- Nested Loop Semi Join (cost=2.27..280.78 rows=1 width=129) EXPLAIN SELECT * FROM view_companies_extra WHERE company_id iN ( SELECT id FROM companies WHERE id =…
I want to verify the data in some Postgres dumps. I've created a script that imports the dump into a fresh Postgres DB, and verifies the data. This runs as a cronjob in Kubernetes. The Cronjob contains two containers. The…
This is the table schema: CREATE TABLE IF NOT EXISTS events_table ( id UUID NOT NULL, company_id INT8 NOT NULL, employee_id INT8 NOT NULL, category_type_id UUID, event_type VARCHAR(255) NOT NULL, data_payload bytea NOT NULL, occurred_at TIMESTAMP WITH TIME ZONE NOT…
I need to get all biggest digit sequences from a string with the requirement that the whole string should not start with 'a'. Each result should be a separate entry in the result set. Just to clarify, regexp_matches() returns a…
From the documentation, my understanding is that when a ROLLBACK command is issued in a transaction, PostgreSQL typically employs the Write-Ahead Logging (WAL) mechanism to undo the changes made within that transaction. However, because changes made to UNLOGGED tables bypass…
The table is represented by following scripts: CREATE TABLE sales ( id SERIAL PRIMARY KEY, product_id INTEGER, sales_date DATE, quantity INTEGER, price NUMERIC ); INSERT INTO sales (product_id, sales_date, quantity, price) VALUES (1, '2023-01-01', 10, 10.00), (1, '2023-01-02', 12, 12.00),…