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Inherit clone flag (NewDB) on transaction creation (#5012) 

* Inherit clone flag (NewDB) on transaction creation

I find it very reassuring to know that after a finisher API, I get a clean db object for my next queries.
If you look at the example in https://gorm.io/docs i’d see many queries running one after the other.. but in reality they wouldn’t work as the they are portrayed and that’s because in default mode NewDB is false and will make all the clauses stay even after a finisher API.

My solution is just to have the value of the clone flag in the “parent” db object, be injected to its children transactions.

* Fix typo
This commit is contained in:
Gilad Weiss 2022-02-20 02:33:12 +02:00 committed by GitHub
parent 5edc78116f
commit f3547e00cc
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finisher_api.go
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@ -590,7 +590,7 @@ func (db *DB) Transaction(fc func(tx *DB) error, opts ...*sql.TxOptions) (err er
func (db *DB) Begin(opts ...*sql.TxOptions) *DB {
var (
// clone statement
tx = db.getInstance().Session(&Session{Context: db.Statement.Context})
tx = db.getInstance().Session(&Session{Context: db.Statement.Context, NewDB: db.clone == 1})
opt *sql.TxOptions
err error
)