/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.test.server;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.h2.constant.ErrorCode;
import org.h2.test.TestBase;
/**
* Tests remote JDBC access with nested loops.
* This is not allowed in some databases.
*/
public class TestNestedLoop extends TestBase {
/**
* Run just this test.
*
* @param a ignored
*/
public static void main(String... a) throws Exception {
TestBase.createCaller().init().test();
}
public void test() throws SQLException {
deleteDb("nestedLoop");
Connection conn = getConnection("nestedLoop");
Statement stat = conn.createStatement();
stat.execute("create table test(id int identity, name varchar)");
int len = getSize(1010, 10000);
for (int i = 0; i < len; i++) {
stat.execute("insert into test(name) values('Hello World')");
}
ResultSet rs = stat.executeQuery("select id from test");
stat.executeQuery("select id from test");
assertThrows(ErrorCode.OBJECT_CLOSED, rs).next();
rs = stat.executeQuery("select id from test");
stat.close();
assertThrows(ErrorCode.OBJECT_CLOSED, rs).next();
stat = conn.createStatement();
rs = stat.executeQuery("select id from test");
Statement stat2 = conn.createStatement();
while (rs.next()) {
int id = rs.getInt(1);
ResultSet rs2 = stat2.executeQuery("select * from test where id=" + id);
while (rs2.next()) {
assertEquals(id, rs2.getInt(1));
assertEquals("Hello World", rs2.getString(2));
}
rs2 = stat2.executeQuery("select * from test where id=" + id);
while (rs2.next()) {
assertEquals(id, rs2.getInt(1));
assertEquals("Hello World", rs2.getString(2));
}
}
conn.close();
deleteDb("nestedLoop");
}
}