Difference between revisions of "MySQL Features & Bugs"
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==Features== | |||
* '''Automatic Initialization and Updating for TIMESTAMP and DATETIME''': added in 5.6.5 [https://dev.mysql.com/doc/refman/5.6/en/timestamp-initialization.html Source] | * '''Automatic Initialization and Updating for TIMESTAMP and DATETIME''': added in 5.6.5 [https://dev.mysql.com/doc/refman/5.6/en/timestamp-initialization.html Source] | ||
** | * '''Virtual/Generated Columns''': added in 5.7.9 [https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-9.html Source] | ||
* '''JSON Column Data Type''': added in 5.7.8 JSON Data Type: [https://dev.mysql.com/doc/refman/5.7/en/json.html Source] | |||
==Weird Bugs== | |||
<source lang="mysql"> | <source lang="mysql"> | ||
x INT DEFAULT NULL #works in all versions | x INT DEFAULT NULL #works in all versions | ||
| Line 7: | Line 11: | ||
</source> | </source> | ||
This seems like a bug, but it changed between devdb and cloud (so between 5.7.15 and 5.7.24) | This seems like a bug, but it changed between devdb and cloud (so between 5.7.15 and 5.7.24) | ||
Revision as of 14:52, 18 December 2018
Features
- Automatic Initialization and Updating for TIMESTAMP and DATETIME: added in 5.6.5 Source
- Virtual/Generated Columns: added in 5.7.9 Source
- JSON Column Data Type: added in 5.7.8 JSON Data Type: Source
Weird Bugs
x INT DEFAULT NULL #works in all versions
x TIMESTAMP DEFAULT NULL #works in some versions, and not in others
x TIMESTAMP NULL DEFAULT NULL #seems to work in all?
This seems like a bug, but it changed between devdb and cloud (so between 5.7.15 and 5.7.24)
