@Override
protected void init(final ImmutableMap<String, Object> execEnvVars) throws DbException {
/* Retrieve connection information from the environment variables, if not already set */
if (connectionInfo == null && execEnvVars != null) {
connectionInfo =
(ConnectionInfo) execEnvVars.get(MyriaConstants.EXEC_ENV_VAR_DATABASE_CONN_INFO);
}
/* Open the database connection */
accessMethod = AccessMethod.of(connectionInfo.getDbms(), connectionInfo, false);
/* Drop the table */
accessMethod.dropTableIfExistsCascade(relationKey);
}
