v2.0 - 2020.07

GORM 2.0 是根据我们在过去几年里收到的反馈从零重写的，它引入了一些不兼容的 API 更改和许多改进

  • Performance Improvements
  • Modularity
  • Context, Batch Insert, Prepared Statment, DryRun Mode, Join Preload, Find To Map, FindInBatches
  • SavePoint/RollbackTo/Nested Transaction Support
  • Association improvements (On Delete/Update), Modify Join Table for Many2Many, Association Mode for batch data
  • SQL Builder, Upsert, Locking, Optimizer/Index/Comment Hints supports
  • Multiple fields support for auto-creating/updating time, which also support UNIX (nano) seconds
  • 你好
  • All new Migrator, Logger
  • Naming strategy (Unified table name, field name, join table name, foreign key, checker, index name rule)
  • Better customized data type support (e.g: JSON)
  • All new plugin system, Hooks API

v1.0 - 2016.04

GORM V1 Docs

Breaking Changes

  • gorm.Open return type *gorm.DB instead of gorm.DB

  • Updating will only update changed fields

  • Soft Delete’s will only check deleted_at IS NULL

  • New ToDBName logic

    When GORM convert struct, field name to db name, only common initialisms from golint like HTTP, URI were handled, so HTTP‘s db name is http, but not h_t_t_p.

    But for some other initialisms not in the list, like SKU, it’s db name was s_k_u, this change fixed it.

  • Error RecordNotFound has been renamed to ErrRecordNotFound

  • mssql dialect has been renamed to “github.com/jinzhu/gorm/dialects/mssql”

  • Hstore has been moved to package “github.com/jinzhu/gorm/dialects/postgres”