Neues vom PostgreSQL Planet
gabrielle roth: How to fix ‘data type [x] has no default operator class for access method [y]’ error messages
Federico Campoli: Gustaw, Stefan and the mean parrot
This week the PostgreSQL pets are two lovely dogs, Gustaw, Stefan that live with a mean parrot. They are presented by Alicja Kucharczyk.
Dan Garcia: PostgreSQL Extensions Impacted by CVE-2022-2625 with Privilege Escalation
Nikolay Sivko: Chaos testing of a Postgres cluster managed by the Zalando Postgres Operator
Egor Rogov: Queries in PostgreSQL: 6. Hashing
So far we have covered query execution stages, statistics, sequential and index scan, and have moved on to joins.
The previous article focused on the nested loop join, and in this one I will explain the hash join. I will also briefly mention group-bys and distincs.
Elizabeth Garrett Christensen: Crunchy Bridge Terraform Provider
In a world where everything is stored in git following IaC (infrastructure as code) you may want the same from your database. For many following this style of engineering modernization we see a focus on IaC and K8s. We have many users standardizing on our PGO Kubernetes Operator to help. But following an IaC approach doesn’t mean you always want to manage your database and be in Kubernetes.
Andreas 'ads' Scherbaum: Adam Wright
Regina Obe: PostGIS 3.3.0rc1
The PostGIS Team is pleased to release PostGIS 3.3.0rc1! Best Served with PostgreSQL 15 beta2 ,GEOS 3.11.0 , and SFCGAL 1.4.1
Lower versions of the aforementioned dependencies will not have all new features.
This release supports PostgreSQL 11-15.
3.3.0rc1
cary huang: How to Set Up NFS and Run PG on it
Network File System (NFS) is a distributed file system protocol that allows a user on a client node to access files residing on a server node over network much like local storage is accessed. Today in this blog, I will share how to set up both NFSv4 server and client on CentOS7 and run PG on it.
NFS ServerFirst, install the NFS server components by
$ yum install nfs-utilsThis will install nfs process on the server machine in which we can go ahead to enable and start the NFS server
Federico Campoli: Milo
This week the PostgreSQL pet is Milo the ginger cat adopted by Dave Page.
Dave Page: pgAdmin User Survey 2022
On Monday 11th July the pgAdmin Development Team opened the first pgAdmin user survey which we then ran for three weeks, closing it on Monday 1st August. The aim of the survey was to help us understand how users are using pgAdmin to help us shape and focus our future development efforts.
We had a fantastic response with 278 people taking the time to complete the survey - far exceeding our expectations. Responses were generally positive as well, with a number of people expressing their appreciation for the work of the development team, which is always nice to hear.
Andreas 'ads' Scherbaum: Beena Emerson
Jeremy Schneider: Researching the Performance Puzzle
The PostgreSQL Performance Puzzle was, perhaps, too easy – it didn’t take long for someone to guess the correct answer!
But I didn’t see much discussion about why the difference or what was happening. My emphasis on the magnitude of the difference was a tip-off that there’s much more than meets the eye with this puzzle challenge – and one reason I published it is that I’d looked and I thought there were some very interesting things happening beneath the surface.
Federico Campoli: Comet and Shadow
The PostgreSQL pets of the week are Comet and Shadow, two lovely dogs adopted by Karen Jex.
Samay Sharma: Debugging Postgres autovacuum problems: 13 tips
If you’ve been running PostgreSQL for a while, you’ve heard about autovacuum. Yes, autovacuum, the thing which everybody asks you not to turn off, which is supposed to keep your database clean and reduce bloat automatically.
Devrim GÜNDÜZ: Pagila 3.0.0 is out with shiny new features and bugfixes
Devrim GÜNDÜZ: How to install PostgreSQL and PostGIS on Rocky Linux 9
Ryan Booz: State of PostgreSQL 2022 - 13 Tools That Aren't psql
The State of PostgreSQL 2022 survey closed a few weeks ago, and we're hard at work cleaning and analyzing the data to provide the best insights we can for the PostgreSQL community.
In the database community, however, there are usually two things that drive lots of discussion year after year: performance and tooling. During this year's survey, we modified the questions slightly so that we could focus on three specific use cases and the PostgreSQL tools that the community finds most helpful for each: querying and administration, development, and data visualization.
Laurenz Albe: Better SQL functions in PostgreSQL v14
We all know and value SQL functions as a handy shortcut. PostgreSQL v14 has introduced a new, better way to write SQL functions. This article will show the advantages of the new syntax.
An example of an SQL functionLet’s create a simple example of an SQL function with the “classical” syntax so that we have some material for demonstrations:
CREATE EXTENSION unaccent; CREATE FUNCTION mangle(t text) RETURNS text LANGUAGE sql AS 'SELECT lower(unaccent(t))';You can use the new function like other database functions:
Jonathan Katz: BEGIN ATOMIC: a better way to create functions in PostgreSQL 14
Around this time of year, I am reading through the upcoming PostgreSQL release notes (hello PostgreSQL 15), reading mailing lists, and talking to PostgreSQL users to understand what are the impactful features.
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