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Transformations between Spatial Reference Systems in MySQL

This blog post explores how to transform spatial data between different Spatial Reference Systems (SRS) in MySQL using the ST_Transform function. It covers the syntax and usage of ST_Transform, and its practical applications in mapping and spatial analysis by using demonstrative examples. Whether you're visualizing geographic data or integrating datasets from various sources, understanding SRS transformation is key to accurate spatial analysis.

Introducing the new CREATE_SPATIAL_REFERENCE_SYSTEM privilege in MySQL

MySQL 9.2.0 has introduced a new dynamic privilege: CREATE_SPATIAL_REFERENCE_SYSTEM. This privilege enables users to create, replace, and drop custom spatial reference systems (SRS), allowing for greater spatial data customization across MySQL environments without needing SUPER access. In this post, we’ll explain the use of this privilege and provide an example to demonstrate its application. The new privilege is available in MySQL Community and Enterprise Editions and HeatWave MySQL.

Introducing the Connection-Control Component in MySQL 9.2 : A Powerful Tool for Connection Management

The MySQL Connection-Control Component allows database administrators to enforce limits on client connections based on frequency and behavior. It is especially useful in preventing denial-of-service (DoS) attacks, mitigating resource exhaustion, and regulating access during high-load scenarios.

What’s the Cost of Counting MySQL Table Rows?

What index will be used when you count all rows in a table? Well, the MySQL documentation provides a straightforward answer to this, quoting: InnoDB processes SELECT COUNT(*) statements by traversing the smallest available secondary index unless an index or optimizer hint directs the optimizer to use a different index. If a secondary index is […]

Comment on Some MySQL Router 8.4.3 read-write splitting quips by Keith Hollman

In reply to John.

Not sure about the seg fault on docker. If I were you, I’d open another bug for that. As for the ANSI mode, it’s a drupal thing apparently, as per https://www.drupal.org/node/344575. Other than forcing sql_mode on each user to be specific, and even then I believe they set it at session level anyhow, I suspect we’ll just have to wait for it to be fixed in router v9.0 or similar. In order to help with that, maybe you could also open a bug against the same issue and help pressure the Router dev team? The more the merrier….

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Comment on Some MySQL Router 8.4.3 read-write splitting quips by John

Thanks Keith,

I’m having same trouble with MySQL Router 8.3 and drupal. sql_mode is set to ANSI

and MYSQL_ATTR_USE_BUFFERED_QUERY is ON.

Strangly Drupal 8.5 changed to ANSI_QUOTES

https://git.drupalcode.org/project/drupal/-/blame/10.5.x/core/modules/mysql/src/Driver/Database/mysql/Connection.php?ref_type=heads#L94

After a while, the router crash with a seg fault on docker.

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MySQL January 2025 GA Releases Now Available

This January release is the fourth LTS release and third Innovation release since MySQL announced our move to a new LTS/Innovation release model. For more details see MySQL Releases: Innovation and LTS. During the innovation cycle, MySQL 9.x quarterly releases will include new features, deprecations and removals, and bug fixes. The 9.x releases also include […]

MySQL January 2025 GA Releases Now Available

MySQL January 2025 GA Releases Now Available

How can I Disable MySQL Audit Log while Server is running?
Trace client applications connection made through MySQL Router to MySQL Enterprise Instance