} catch (final CIFSException e) {
                throw new SmbException("Logon share connection failed", e);
            }
        }
    }

    boolean treeDisconnect(final boolean inError, final boolean inUse) {
        boolean wasInUse = false;
        try (SmbSessionImpl sess = getSession(); SmbTransportImpl transport = sess.getTransport()) {
            synchronized (transport) {

	if rv != "" {
		ropts.VersionID = string(rv)
	}
	err := s3.client.RemoveObject(ctx, s3.Bucket, s3.getDest(object), ropts)
	return s3.ToObjectError(err, object)
}

func (s3 *warmBackendS3) InUse(ctx context.Context) (bool, error) {
	result, err := s3.core.ListObjectsV2(s3.Bucket, s3.Prefix, "", "", slashSeparator, 1)
	if err != nil {
		return false, s3.ToObjectError(err)
	}

            if (connectFails) {
                throw new IOException("Connect failed");
            }
        }

        @Override
        protected boolean doDisconnect(boolean hard, boolean inUse) throws IOException {
            return disconnectResult;
        }

        // Test control methods
        public void setState(int state) {
            this.state = state;
        }

	_, err := az.clnt.DeleteBlob(ctx, az.Bucket, az.getDest(object), &azblob.DeleteBlobOptions{})
	return azureToObjectError(err, az.Bucket, az.getDest(object))
}

func (az *warmBackendAzure) InUse(ctx context.Context) (bool, error) {
	maxResults := int32(1)
	pager := az.clnt.NewListBlobsFlatPager(az.Bucket, &azblob.ListBlobsFlatOptions{
		Prefix:     &az.Prefix,
		MaxResults: &maxResults,
	})

	err := gcs.client.Bucket(gcs.Bucket).Object(gcs.getDest(key)).Delete(ctx)
	return gcsToObjectError(err, gcs.Bucket, key)
}

func (gcs *warmBackendGCS) InUse(ctx context.Context) (bool, error) {
	it := gcs.client.Bucket(gcs.Bucket).Objects(ctx, &storage.Query{
		Delimiter: "/",
		Prefix:    gcs.Prefix,
		Versions:  false,
	})
	pager := iterator.NewPager(it, 1, "")

	AssertEqual(t, ok, true)
	AssertEqual(t, len(conn.Stmts.Keys()), 2)
	for _, stmt := range conn.Stmts.Keys() {
		if stmt == "" {
			t.Fatalf("stmt cannot bee nil")
		}
	}

	AssertEqual(t, sqlDB.Stats().InUse, 0)
}

func TestPreparedStmtInTransaction(t *testing.T) {
	user := User{Name: "jinzhu"}

	if err := DB.Transaction(func(tx *gorm.DB) error {
		tx.Session(&gorm.Session{PrepareStmt: true}).Create(&user)

                && tc.getConfig().getDefaultPassword() != null;
    }

    boolean logoff(boolean inError, boolean inUse) {
        boolean wasInUse = false;
        try (SmbTransportImpl trans = getTransport()) {
            synchronized (trans) {
                if (!this.connectionState.compareAndSet(2, 3)) { // not-connected

    }

    @Override
    protected synchronized boolean doDisconnect(final boolean hard, final boolean inUse) throws IOException {
        final ListIterator<SmbSessionImpl> iter = this.sessions.listIterator();
        boolean wasInUse = false;
        final long l = getUsageCount();
        if ((inUse ? l != 1 : l > 0)) {
            log.warn("Disconnecting transport while still in use " + this + ": " + this.sessions);

pkg database/sql, method (IsolationLevel) String() string
pkg database/sql, type DBStats struct, Idle int
pkg database/sql, type DBStats struct, InUse int
pkg database/sql, type DBStats struct, MaxIdleClosed int64
pkg database/sql, type DBStats struct, MaxLifetimeClosed int64
pkg database/sql, type DBStats struct, MaxOpenConnections int