Examples with DatabaseConnectionPortObject org.knime.core.node.port.database.DatabaseConnectionPortObject used on opensource projects

Example 11 with DatabaseConnectionPortObject

use of org.knime.core.node.port.database.DatabaseConnectionPortObject in project knime-core by knime.

the class JDBCConnectorNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inObjects, final ExecutionContext exec) throws Exception {
    DatabaseConnectionSettings s = new DatabaseConnectionSettings(m_settings);
    // new behavior since 2.10
    s.setRowIdsStartWithZero(true);
    DatabaseConnectionPortObject dbPort = new DatabaseConnectionPortObject(new DatabaseConnectionPortObjectSpec(s));
    try {
        dbPort.getConnectionSettings(getCredentialsProvider()).execute(getCredentialsProvider(), conn -> {
            return conn != null;
        });
    } catch (SQLException ex) {
        Throwable cause = ExceptionUtils.getRootCause(ex);
        if (cause == null) {
            cause = ex;
        }
        if (cause instanceof ClassNotFoundException) {
            cause = new Exception("Could not find driver class: " + cause.getMessage());
        }
        throw new SQLException("Could not create connection to database: " + cause.getMessage(), ex);
    }
    return new PortObject[] { dbPort };
}

Example 12 with DatabaseConnectionPortObject

use of org.knime.core.node.port.database.DatabaseConnectionPortObject in project knime-core by knime.

the class DBTableCreatorNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inData, final ExecutionContext exec) throws Exception {
    exec.setMessage("Creating table");
    final DatabaseConnectionPortObject dbConn = (DatabaseConnectionPortObject) inData[0];
    final DatabaseConnectionSettings conn = dbConn.getConnectionSettings(getCredentialsProvider());
    final DBTableCreator tableCreator = conn.getUtility().getTableCreator(m_config.getSchema(), getTableName(), m_config.isTempTable());
    final List<DBColumn> columns = m_config.getColumns();
    final List<DBKey> keys = m_config.getKeys();
    tableCreator.createTable(conn, getCredentialsProvider(), m_config.ifNotExists(), columns.toArray(new DBColumn[columns.size()]), keys.toArray(new DBKey[keys.size()]), m_config.getAdditionalOptions());
    pushFlowVariables(tableCreator.getSchema(), tableCreator.getTableName());
    final String warning = tableCreator.getWarning();
    if (!StringUtils.isBlank(warning)) {
        setWarningMessage(warning);
    }
    return new PortObject[] { dbConn };
}