Fixed creation of associated records with composite primary keys (go-…

…gorm#3817) (go-gorm#3818)

Add error check for Transaction

Fix create index for other database/schema, close go-gorm#3698

Fix data race problem when using Scan, close go-gorm#3662

Fix copy lock for prepared statement, close go-gorm#3642, go-gorm#3607

Upgrade test go.mod dependencies

Fix affected rows for Scan, change affected rows count for row/rows t…

…o '-', close go-gorm#3532

Allow negative number for limit

More compatible prioritized primary field go-gorm#3156

Refactor association