Method mayTx

dialect/sql/sqlgraph/graph.go:1589–1598

mayTx opens a new transaction if the create operation spans across multiple statements.

(ctx context.Context, drv dialect.Driver)

// mayTx opens a new transaction if the create operation spans across multiple statements.
func (c *batchCreator) mayTx(ctx context.Context, drv dialect.Driver) (dialect.Tx, error) {
	for _, node := range c.Nodes {
		for _, edge := range node.Edges {
			if isExternalEdge(edge) {
				return drv.Tx(ctx)
			}
		}
	}
	return dialect.NopTx(drv), nil
}

// batchInsert inserts a batch of nodes to their table and sets their ID if it was not provided by the user.
func (c *batchCreator) batchInsert(ctx context.Context, tx dialect.ExecQuerier, insert *sql.InsertBuilder) error {