```go type Model struct { gorm.Model Num int } m := query.Model m.WithContext(ctx).UpdateColumnSimple(m.Num.Add(1)) ``` Generated SQL: ```sql [0.953ms] [rows:0] UPDATE "models" SET "num"="models"."num"+1,"updated_at"='2025-09-16 10:09:02.34' WHERE "models"."deleted_at" IS NULL ``` Versions: ``` gorm.io/driver/postgres v1.6.0 gorm.io/gen v0.3.27 gorm.io/gorm v1.31.0 gorm.io/plugin/dbresolver v1.6.2 ```