~postgresweekly | Issue 575 - A better way to search the Postgres docs (11)

pgdoc.link: A New Way to Search Postgres Documentation — Hubert has been looking for a way to work around inconsistencies in looking up Postgres docs – this is the result. If there’s a single, canonical document for what you search for, you’re taken straight to it, otherwise you get a page helping you resolve the ambiguity (e.g. *_connections). This is a neat idea.

4 Ways to Create Date Bins in Postgres — When you need to generate a report or otherwise bundle up data within certain ‘bins’ of dates (e.g. a full month, quarter, or year) Postgres offers several ways to do it. Christopher looks at INTERVAL, date_trunc, extract and to_char, each of which has its pros and cons.

How to Compare Postgres EXPLAIN Plans & Tune Slow Queries — Are slow Postgres queries impacting your app performance? Join this webinar to learn how to diagnose and tune them effectively. We'll use pganalyze to walk through how to compare plans & debug common scenarios like inefficient nested loops & missing indexes.

Case Study of Optimizing a 'Weirdly Picked' Bad Plan — “We recently hit an interesting case where planner picked wrong plan. Kinda. And figured it could be used to show how to deal with such cases.”

Speaking in Tongues: Postgres and Character Encodings — Character encodings may be the definitive ‘important but I don’t want to think about it’ topic when it comes to databases. Luckily, using UTF-8 gets you most of the way to a happy place.

Using CTID Based Pagination for Data Cleanups — The CTID field is unique for every row in a table but is no mere simple row ID. It’s a tuple that combines both physical page and row position information, and can help you process a table in predictable chunks based on physical storage.

How to Build an Image Search App with OpenAI CLIP, Postgres, and JavaScript — A tutorial that brings together a lot of ideas in one place. CLIP is used to turn images into text descriptions. Postgres is used as a vector database. JavaScript provides the glue for both the frontend (with React) and backend (Node.js).

Request-Reply in Postgres — “I wondered the other day if you could build a request-reply mechanism using plain Postgres components. Turns out, you can! Whether or not you should is left as a decision for the reader.”

Postgres Version Report — An online tool where you paste your Postgres server’s full version information and you get to where it stands in relation to Postgres’ release schedule, outstanding CVEs, bugs, and what improvements have been made in later versions.

pg_duckdb: DuckDB-Powered Postgres for High Performance Analytics — An official Postgres extension (built in collaboration with Hydra and MotherDuck) that embeds DuckDB’s columnar-vectorized analytics engine and features into Postgres.

pg_parquet: An Extension to Connect Postgres and Parquet — A new open-source extension for working with Parquet files. It reads and writes parquet files to local disk (or S3) right from Postgres. GitHub repo.