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gql_transaction.go
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/
gql_transaction.go
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// Copyright 2019-present Facebook
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by entc, DO NOT EDIT.
package ent
import (
"context"
"database/sql/driver"
"errors"
)
// OpenTx opens a transaction and returns a transactional
// context along with the created transaction.
func (c *Client) OpenTx(ctx context.Context) (context.Context, driver.Tx, error) {
tx, err := c.Tx(ctx)
if err != nil {
return nil, nil, err
}
ctx = NewTxContext(ctx, tx)
ctx = NewContext(ctx, tx.Client())
return ctx, tx, nil
}
// OpenTxFromContext open transactions from client stored in context.
func OpenTxFromContext(ctx context.Context) (context.Context, driver.Tx, error) {
client := FromContext(ctx)
if client == nil {
return nil, nil, errors.New("no client attached to context")
}
return client.OpenTx(ctx)
}