SQL: JDBC getDate() method fails with NPE for a CASTed NULL AS DATE query

[astefan]

Connection conn = DriverManager.getConnection(URL);
PreparedStatement statement = conn.prepareStatement("SELECT CAST(NULL AS DATE)");
ResultSet results = statement.executeQuery();
while (results.next()) {
	ResultSetMetaData resultSetMetaData = results.getMetaData();
	logger.log(resultSetMetaData.getColumnLabel(1) + ": " + results.getObject(1));
	logger.log(resultSetMetaData.getColumnLabel(1) + ": " + results.getDate(1, Calendar.getInstance()));
}

results in

CAST(NULL AS DATE): null
Exception in thread "main" java.lang.NullPointerException
	at org.elasticsearch.xpack.sql.jdbc.JdbcResultSet.dateTimeAsMillis(JdbcResultSet.java:276)
	at org.elasticsearch.xpack.sql.jdbc.JdbcResultSet.getDate(JdbcResultSet.java:360)

For SELECT CAST(NULL AS DATETIME) the query is successful.
For SELECT CAST(NULL AS TIME) the query fails again with NPE.

[elasticmachine]

Pinging @elastic/es-search (:Search/SQL)

[astefan]

master (8.0.0): 08214eb
7.x (7.6.0): c6fdf9e
7.5 (7.5.2): e978e05