Method close

tx.go:345–378

()

}

func (tx *Tx) close() {
	if tx.db == nil {
		return
	}
	if tx.writable {
		// Grab freelist stats.
		var freelistFreeN = tx.db.freelist.FreeCount()
		var freelistPendingN = tx.db.freelist.PendingCount()
		var freelistAlloc = tx.db.freelist.EstimatedWritePageSize()

		// Remove transaction ref & writer lock.
		tx.db.rwtx = nil
		tx.db.rwlock.Unlock()

		// Merge statistics.
		if tx.db.stats != nil {
			tx.db.statlock.Lock()
			tx.db.stats.FreePageN = freelistFreeN
			tx.db.stats.PendingPageN = freelistPendingN
			tx.db.stats.FreeAlloc = (freelistFreeN + freelistPendingN) * tx.db.pageSize
			tx.db.stats.FreelistInuse = freelistAlloc
			tx.db.stats.TxStats.add(&tx.stats)
			tx.db.statlock.Unlock()
		}
	} else {
		tx.db.removeTx(tx)
	}

	// Clear all references.
	tx.db = nil
	tx.meta = nil
	tx.root = Bucket{tx: tx}
	tx.pages = nil
}

// Copy writes the entire database to a writer.
// This function exists for backwards compatibility.