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fix connections leak (#4826)

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* fix connections leak

* fix connections leak

* fix connections leak

* fix connections leak

Co-authored-by: 李龙 <lilong.21@bytedance.com>
This commit is contained in:
kinggo 2021-11-03 13:39:52 +08:00 committed by GitHub
parent 7b927900e9
commit c170af11e9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 35 additions and 35 deletions
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2
callbacks/transaction.go
View File

@ -5,7 +5,7 @@ import (
)
func BeginTransaction(db *gorm.DB) {
if !db.Config.SkipDefaultTransaction {
if !db.Config.SkipDefaultTransaction && db.Error == nil {
if tx := db.Begin(); tx.Error == nil {
db.Statement.ConnPool = tx.Statement.ConnPool
db.InstanceSet("gorm:started_transaction", true)

68
finisher_api.go
View File

@ -285,44 +285,44 @@ func (db *DB) FirstOrCreate(dest interface{}, conds ...interface{}) (tx *DB) {
queryTx := db.Limit(1).Order(clause.OrderByColumn{
Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey},
})
if tx = queryTx.Find(dest, conds...); queryTx.RowsAffected == 0 {
if c, ok := tx.Statement.Clauses["WHERE"]; ok {
if where, ok := c.Expression.(clause.Where); ok {
tx.assignInterfacesToValue(where.Exprs)
}
}
// initialize with attrs, conds
if len(tx.Statement.attrs) > 0 {
tx.assignInterfacesToValue(tx.Statement.attrs...)
}
// initialize with attrs, conds
if len(tx.Statement.assigns) > 0 {
tx.assignInterfacesToValue(tx.Statement.assigns...)
}
return tx.Create(dest)
} else if len(db.Statement.assigns) > 0 {
exprs := tx.Statement.BuildCondition(db.Statement.assigns[0], db.Statement.assigns[1:]...)
assigns := map[string]interface{}{}
for _, expr := range exprs {
if eq, ok := expr.(clause.Eq); ok {
switch column := eq.Column.(type) {
case string:
assigns[column] = eq.Value
case clause.Column:
assigns[column.Name] = eq.Value
default:
if tx = queryTx.Find(dest, conds...); tx.Error == nil {
if tx.RowsAffected == 0 {
if c, ok := tx.Statement.Clauses["WHERE"]; ok {
if where, ok := c.Expression.(clause.Where); ok {
tx.assignInterfacesToValue(where.Exprs)
}
}
// initialize with attrs, conds
if len(tx.Statement.attrs) > 0 {
tx.assignInterfacesToValue(tx.Statement.attrs...)
}
// initialize with attrs, conds
if len(tx.Statement.assigns) > 0 {
tx.assignInterfacesToValue(tx.Statement.assigns...)
}
return tx.Create(dest)
} else if len(db.Statement.assigns) > 0 {
exprs := tx.Statement.BuildCondition(db.Statement.assigns[0], db.Statement.assigns[1:]...)
assigns := map[string]interface{}{}
for _, expr := range exprs {
if eq, ok := expr.(clause.Eq); ok {
switch column := eq.Column.(type) {
case string:
assigns[column] = eq.Value
case clause.Column:
assigns[column.Name] = eq.Value
default:
}
}
}
return tx.Model(dest).Updates(assigns)
}
return tx.Model(dest).Updates(assigns)
}
return db
return tx
}
// Update update attributes with callbacks, refer: https://gorm.io/docs/update.html#Update-Changed-Fields