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No support for default collation (utf8mb4_uca1400_ai_ci) in MariaDB #4222

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bugSomething isn't working
@wouthoekstra

Description

@wouthoekstra

Version

1.30.0

What happened?

When I runsqlc generate in my project, I get this output:

# package sqlcsql/schema.sql:1:1: [ddl:1273]Unknown collation: 'utf8mb4_uca1400_ai_ci'"

I am unsure if this considered is a bug or a feature, but according to the mariadb documentation utf8mb4_uca1400_ai_ci is now the default collation:
https://mariadb.com/docs/server/reference/data-types/string-data-types/character-sets/character-set-and-collation-overview

I am aware that the project does not specifically mention support for MariaDB. Since the project is so close to MySQL I hope this still is considered as a fixable bug.

For reproduction purposes, this is one of my tables (simplified a bit) in my schema that triggers this error:

CREATE TABLE `user` (  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,  `created_at` datetime NOT NULL DEFAULT current_timestamp(),  `updated_at` datetime DEFAULT NULL ON UPDATE current_timestamp(),  `username` varchar(255) NOT NULL DEFAULT '',  `password` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT '',  PRIMARY KEY (`id`),  UNIQUE KEY `user_username_unique` (`username`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci;

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What operating system are you using?

macOS

What database engines are you using?

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What type of code are you generating?

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