PostgreSQL weekly news - July 13, 2022

Postgres 15 How to improve UNIQUE and NULL
The author checked the latest Postgres 15 The beta , And the improvement of constraints on columns with values is deeply studied , Among these constraints ,Postgres Can be null As different values , It can also be regarded as a different value . To develop this function Peter Eisentraut stay Hacker News Suddenly appear on , Pointed out that ：“ The background here is ,SQL The standard is ambiguous about which way the implementation should express the two ways . therefore , In the upcoming SQL：202x in , Implement and add this by defining behavior NULLS [NOT] DISTINCT Option to select other behaviors , That solved the problem .UNIQUENULL
Ryan · Lambert

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Postgres The column order in is really important
You may think that the column order in the database table is just a trivial result of the table's history , It doesn't matter at the technical level . however ,Hans-Jürgen say , But it can , Although his example does depend on a particularly extreme example （！
Hans - Jurgen · Schenishi

GitLab There is a convenient article , Explains why they require their developers to PostgreSQL Sort columns in a specific way - If you want to know more about this problem

PostgreSQL 2022 Preliminary results of the annual survey
It takes time to process data to find insights from large community surveys , therefore Timescale First drop at the shallow end , First, check the demographic data （ It is worth noting that , Most of the respondents are not from North America ） And the answers to some open-ended questions .
Ryan · Boz

Quick tips ：
Postgres Getting your own podcast ！Postgres.fm There are two developers , Responsible for, respectively, Postgres AI and pgMustard, Weekly discussion Postgres All of . Now there is only one episode , But with the development of the program , We will show it again . Listen to page 1 Set .

Azure PostgreSQL Flexible Server Now supports Pgrouting and PLV8 Expand , If you want to enable geographic routing or JavaScript Driven Postgres function .

We've been to it in a few weeks , But on social media , Everyone seems to suddenly notice Amazon Aurora Now supports Postgres 14, We don't want anyone to think we missed it ;-）

About GitLab Of Postgres Schema Design Some of the instructions for
Since we saw a real-world database design article , It's been a long time , So see Shekhar stay Gitlab Of （ It looks pretty well designed ） It's interesting to walk around the database .
Sekar · Gulati

Data to use ：Postgres Logical replication
  Whether you need to copy your data to a regular new location for further processing 、 Integration or more ？Postgres 10+ Logical replication of is suitable for you . This is a quick interpreter , Also compare it with streaming replication .
Elizabeth · Christensen

Use OpenCensus and Google Cloud Tracing track Gorm Query
GORM It's a powerful ORM for Go,Incident Our team uses it to deal with their Postgres database . Here's how they track what's happening , In order to pay close attention to performance .
Alex · Russell - Cable

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by Postgres Connections Enable and implement SSL / TLS
AGUSTÍN（PERCONA）

Release ：

FerretDB 0.5 – Postgres Above MongoDB Alternatives .
Good Job 3.1 – Ruby on Rails Based on the Postgres Background job backend .
standard 2.5 – Nim Linguistic ORM.
usql 0.11 – be used for SQL General purpose of database CLI Tools .
libpqxx 7.7.4 – official C++ client API for Postgres.
pgsync 0.7.1 – Take data from a Postgres Synchronize the database to another database .

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