Neues vom PostgreSQL Planet

Listen/notify in Postgres is an incredible feature that makes itself useful in all kinds of situations. I’ve been using it a long time, started taking it for granted long ago, and was somewhat shocked recently looking into MySQL and SQLite to learn that even in 2024, no equivalent exists.

At PG Day Chicago, I presented an extended version of my talk given last year at Citus.con – Temporal Tables and Standard. Just between the time my talk was accepted and I delivered the presentation, I learned that PG 17 would include the first-ever support of an important temporal feature: uni-temporal primary keys and unique constraints.

Last weekend, Jenn and I headed to Bellingham for LinuxFest Northwest. It was my first time back since about 2015, and I’ve really missed attending this laid-back, 100% volunteer-run, free to attend event. We had a lot of good conversations with folks coming by the booth. Some stats: I’m glad to see LFNW back on […]

Introduction In certain situations, it can be beneficial to ignore integer overflow errors. Consider, for instance, an integer table column that typically accommodates small values. On rare occasions, a significantly larger value might be inserted. Attempting to aggregate these values could lead to an integer overflow error, causing the entire aggregate query to fail, which is far from ideal. Handling large values on the client or worker side, where the data is inserted, is one option.

Introduction – Implicit Conversion

Oracle to PostgreSQL migration is a playground that uncovers and touches upon many database concepts, which are always intriguing and fun to explore. Implicit Conversion, i.e., imposing automatic conversion on data types to make them comparable by database optimizers, is also a concept frequently encountered in database migrations. Implicit conversion allows for the automatic conversion of data types for an expression or condition when necessary for SQL execution, thus preventing failures.

1. Overview

In this blog post, we will guide you through the process of integrating IvorySQL, an open-source database built on PostgreSQL, into Neon Autoscaling Platform. Throughout this guide, we’ll walk you through each step, providing clear instructions and demonstrations.

Exploring new features in pgvector v0.7.0

Hacking on PostgreSQL is really hard. I think a lot of people would agree with this statement, not all for the same reasons. Some might point to the character of discourse on the mailing list, others to the shortage of patch reviewers, and others still to the difficulty of getting the attention of a committer, or of feeling like a hostage to some committer's whimsy.

There are many cases where external connection poolers like pgBouncer become unavoidable despite the costs and complexities associated with them. PgBouncer is one of the most popular external connection poolers for PostgreSQL. It is thin and lightweight, so it doesn’t have built-in authentication features like LDAP, which is essential for many enterprises. Luckily, pgBouncer has […]

Well that snuck up on me. Tomorrow, May 1 2024, Yurii Rashkovskii of Omnigres will be giving a presentation at the fifth installment of the Postgres extension ecosystem mini-summit. The tal, “Universally buildable extensions: dev to prod”, should provoke some interesting asymmetrical thinking and discussion.

Explore foundational parameters for maximizing the utility of PostgreSQL logs.

The post Logging Basics for PostgreSQL appeared first on Stormatics.

I wanted to write a “year-in-review” covering all the performance pgvector has made (with significant credit to Andrew Kane), highlighting specific areas where pgvector has improved (including one 150x improvement!) and areas where we can continue to do better.

The PG Day Chicago 2024 is over. For the last two days, I have been reading my LinkedIn and X feeds, which are full of mentions of PG Day Chicago. Everyone is happy and thankful.

Although I am busy “liking” all of these posts—not just “liking” but truly liking them—I didn’t blog anything myself. Two days later, I finally organized my thoughts to talk about that event.

The recent discussion about AIX support in PostgreSQL (as of now removed in PostgreSQL 17) led me to look through the project’s history, to learn what platforms we have supported when.

On April 23rd - after a very long break - the third PostgreSQL Meetup took place in Hamburg.

Sascha had temporarily taken over the Meetup group after the previous admins were no longer available. Last year at PGConf.DE 2023 I asked if there is anyone interested who would like to revive the group. Tobias had agreed to do so, and Lenz also joined the effort at the PGConf.EU 2023. After a few organizational details, the first (or rather third) meetup was scheduled.

Only Allow Login to Read-Replicas and StandbysWhen you're working with large databases in production, it is incredibly common to use read-replicas to improve performance. These read-replicas are a copy of your primary (main) database and let your applications offload read-heavy queries, which in-turn reduces strain on your primary database, effectively making the application faster and

Remember this guy? Remember this guy? AI is all anyone talks about these days, isn’t it? Even when it comes to databases like Postgres, devs are finding new and innovative ways to leverage LLMs in everyday use cases. Can you really blame them though? This is an exciting new technology that will transform how we work and potentially society as a whole once it finally matures. We even covered building a crude RAG app a few short weeks ago.

Understanding and minimizing Postgres table bloat

My thanks to Jonathan Katz for his presentation, “Trusted Language Extensions for PostgreSQL”, at last week’s Postgres Extension Ecosystem Mini-Summit. As usual I’ve collected the transcript here interspersed with comments from the chat window. First, links!

Learn how to ensure PCI DSS compliance in your PostgreSQL database with these 7 crucial considerations.

The post 7 considerations for PCI DSS compliance in PostgreSQL appeared first on Stormatics.