Add MySQL and MariaDB dialect support with database-agnostic tests#196

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Copilot wants to merge 11 commits intomainfrom

copilot/add-mysql-support

Commits on Jan 22, 2026

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Add MySQL dialect support with testcontainer

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Fix MySQL introspection queries to use GROUP_CONCAT instead of JSON_ARRAYAGG

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Address code review: optimize foreign key queries and export helper function

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Make test data database-agnostic using char(36) instead of uuid

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Add MariaDB support with MySQL-compatible dialect

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Fix PostgreSQL bpchar type conversion and MariaDB SQL quoting

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Fix PostgreSQL char(36) introspection and test expectations

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Refactor regenerate.test.ts to split tests by dialect instead of using if-clause

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Fix type introspection to include length for char and varchar types

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Fix MySQL/MariaDB test compatibility issues with TEXT constraints and primary key names

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