kaikaila

### Discussed in https://github.com/PKUFlyingPig/cs-self-learning/discussions/89 Originally posted by **giscus[bot]** March 23, 2022 # UCB CS61B: Data Structures and Algorithms - CS自学指南 CS自学指南 https://csdiy.wiki/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%B8%8E%E7%AE%97%E6%B3%95/CS61B/

[WIP]chore(backend): migrate GORM v1 to v2

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## Summary This PR migrates the entire ORM layer of the Kubeflow Pipelines backend from **GORM v1** (`github.com/jinzhu/gorm`) to **GORM v2** (`gorm.io/gorm`), covering: - ✅ All core model definitions in...

[wip]feat(backend): postgres integration

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## Summary This PR adds full PostgreSQL (pgx driver) support to Kubeflow Pipelines backend, enabling users to choose between MySQL and PostgreSQL as the metadata database. The implementation introduces a...