// Copyright (C) 2018 The Go-SQLite3 Authors. // // Use of this source code is governed by an MIT-style // license that can be found in the LICENSE file. // +build cgo package sqlite3 /* #ifndef USE_LIBSQLITE3 #include #else #include #endif */ import "C" import ( "context" "database/sql/driver" ) var ( _ driver.Tx = (*SQLiteTx)(nil) ) // SQLiteTx implemen sql.Tx. type SQLiteTx struct { c *SQLiteConn } // Begin transaction. func (c *SQLiteConn) Begin() (driver.Tx, error) { return c.begin(context.Background()) } func (c *SQLiteConn) begin(ctx context.Context) (driver.Tx, error) { if _, err := c.exec(ctx, c.txlock, nil); err != nil { return nil, err } return &SQLiteTx{c}, nil } // Commit transaction. func (tx *SQLiteTx) Commit() error { _, err := tx.c.exec(context.Background(), "COMMIT", nil) if err != nil && err.(Error).Code == C.SQLITE_BUSY { // sqlite3 will leave the transaction open in this scenario. // However, database/sql considers the transaction complete once we // return from Commit() - we must clean up to honour its semantics. tx.c.exec(context.Background(), "ROLLBACK", nil) } return err } // Rollback transaction. func (tx *SQLiteTx) Rollback() error { _, err := tx.c.exec(context.Background(), "ROLLBACK", nil) return err }