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下面的Java代码工作:无法从MATLAB达到我H2表(但是从Java能)
public class TestH2Schema {
public static void main(String[] args) throws SQLException {
Driver driver = new org.h2.Driver();
Connection conn = driver.connect("jdbc:h2:file:D:/Users/Dims/Design/TESTS/SVHN_DB/db/svhn", null);
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT ID FROM IMAGE WHERE PATH='train/1.png';");
while(rs.next()) {
System.out.println(rs.getLong("ID"));
}
rs.close();
stmt.close();
conn.close();
}
}
在Matlab下等效代码不起作用:
driver = org.h2.Driver;
props = java.util.Properties;
conn = driver.connect('jdbc:h2:file:D:/Users/Dims/Design/TESTS/SVHN_DB/db/svhn', props);
stmt = conn.createStatement();
query = 'SELECT ID FROM IMAGE WHERE PATH=''train/1.png''';
rs = stmt.executeQuery(query);
while rs.next()
rs.getLong('ID')
end
rs.close();
stmt.close();
conn.close();
不工作引起的异常
org.h2.jdbc.JdbcSQLException: Table IMAGE not found; SQL statement:
UPDATE
如果我查询
query = 'SELECT * FROM INFORMATION_SCHEMA.TABLES;'
我看到表的列表,但不是我的。看起来像Matlab是以某种方式看着不同的位置或某些东西。在“MatlabDatabase”(或其他默认数据源)