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/*-------------------------------------------------------------------------
*
* Copyright (c) 2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/test/jdbc3/GeneratedKeysTest.java,v 1.2 2009/01/28 09:50:21 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.test.jdbc3;
import java.sql.*;
import junit.framework.TestCase;
import org.postgresql.test.TestUtil;
public class GeneratedKeysTest extends TestCase {
private Connection _conn;
public GeneratedKeysTest(String name) throws Exception {
super(name);
}
protected void setUp() throws Exception {
_conn = TestUtil.openDB();
Statement stmt = _conn.createStatement();
stmt.execute("CREATE TEMP TABLE genkeys(a serial, b text, c int)");
stmt.close();
}
protected void tearDown() throws SQLException {
Statement stmt = _conn.createStatement();
stmt.execute("DROP TABLE genkeys");
stmt.close();
TestUtil.closeDB(_conn);
}
public void testExecuteUpdateAllColumns() throws SQLException
{
Statement stmt = _conn.createStatement();
int count = stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)", Statement.RETURN_GENERATED_KEYS);
assertEquals(1, count);
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(1, rs.getInt(1));
assertEquals("a", rs.getString(2));
assertEquals(2, rs.getInt(3));
assertEquals(1, rs.getInt("a"));
assertEquals("a", rs.getString("b"));
assertEquals(2, rs.getInt("c"));
assertTrue(!rs.next());
}
public void testStatementUpdateCount() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)", Statement.RETURN_GENERATED_KEYS);
assertEquals(1, stmt.getUpdateCount());
assertNull(stmt.getResultSet());
assertTrue(!stmt.getMoreResults());
}
public void testCloseStatementClosesRS() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)", Statement.RETURN_GENERATED_KEYS);
ResultSet rs = stmt.getGeneratedKeys();
stmt.close();
try {
rs.next();
fail("Can't operate on a closed result set.");
} catch (SQLException sqle) {}
}
public void testReturningWithTrailingSemicolon() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2); ", Statement.RETURN_GENERATED_KEYS);
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals("a", rs.getString(2));
assertTrue(!rs.next());
}
public void testEmptyRSWithoutReturning() throws SQLException
{
Statement stmt = _conn.createStatement();
int count = stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2); ", Statement.NO_GENERATED_KEYS);
assertEquals(1, count);
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(!rs.next());
}
public void testColumnsByName() throws SQLException
{
Statement stmt = _conn.createStatement();
int count = stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2); ", new String[]{"c","a"});
assertEquals(1, count);
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertEquals(1, rs.getInt(2));
assertEquals(1, rs.getInt("a"));
assertEquals(2, rs.getInt("c"));
assertTrue(!rs.next());
}
public void testMultipleRows() throws SQLException
{
Statement stmt = _conn.createStatement();
int count = stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2), (3, 'b', 4); ", new String[]{"c"});
assertEquals(2, count);
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertTrue(rs.next());
assertEquals(4, rs.getInt(1));
assertTrue(!rs.next());
}
public void testSerialWorks() throws SQLException
{
Statement stmt = _conn.createStatement();
int count = stmt.executeUpdate("INSERT INTO genkeys (b,c) VALUES ('a', 2), ('b', 4); ", new String[]{"a"});
assertEquals(2, count);
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(1, rs.getInt(1));
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertTrue(!rs.next());
}
public void testUpdate() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)");
stmt.executeUpdate("INSERT INTO genkeys VALUES (2, 'b', 4)");
stmt.executeUpdate("UPDATE genkeys SET c=3 WHERE a = 1", new String[]{"c", "b"});
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(3, rs.getInt(1));
assertEquals("a", rs.getString(2));
assertTrue(!rs.next());
}
public void testDelete() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)");
stmt.executeUpdate("INSERT INTO genkeys VALUES (2, 'b', 4)");
stmt.executeUpdate("DELETE FROM genkeys WHERE a = 1", new String[]{"c", "b"});
ResultSet rs = stmt.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertEquals("a", rs.getString(2));
assertTrue(!rs.next());
}
public void testPSUpdate() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)");
stmt.executeUpdate("INSERT INTO genkeys VALUES (2, 'b', 4)");
stmt.close();
PreparedStatement ps = _conn.prepareStatement("UPDATE genkeys SET c=? WHERE a = ?", new String[]{"c", "b"});
ps.setInt(1,3);
ps.setInt(2,1);
assertEquals(1, ps.executeUpdate());
ResultSet rs = ps.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(3, rs.getInt(1));
assertEquals("a", rs.getString(2));
assertTrue(!rs.next());
}
public void testPSDelete() throws SQLException
{
Statement stmt = _conn.createStatement();
stmt.executeUpdate("INSERT INTO genkeys VALUES (1, 'a', 2)");
stmt.executeUpdate("INSERT INTO genkeys VALUES (2, 'b', 4)");
stmt.close();
PreparedStatement ps = _conn.prepareStatement("DELETE FROM genkeys WHERE a = ?", new String[]{"c", "b"});
ps.setInt(1,1);
assertEquals(1, ps.executeUpdate());
ResultSet rs = ps.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertEquals("a", rs.getString(2));
assertTrue(!rs.next());
ps.setInt(1,2);
assertEquals(1, ps.executeUpdate());
rs = ps.getGeneratedKeys();
assertTrue(rs.next());
assertEquals(4, rs.getInt(1));
assertEquals("b", rs.getString(2));
assertTrue(!rs.next());
}
}
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