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UpdateableResultTest.java
539 lines (446 loc) · 17.1 KB
/
UpdateableResultTest.java
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/*-------------------------------------------------------------------------
*
* Copyright (c) 2001-2014, PostgreSQL Global Development Group
*
*
*-------------------------------------------------------------------------
*/
package org.postgresql.test.jdbc2;
import java.sql.*;
import java.util.Arrays;
import junit.framework.TestCase;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.UnsupportedEncodingException;
import java.util.TimeZone;
import org.postgresql.test.TestUtil;
public class UpdateableResultTest extends TestCase
{
private Connection con;
public UpdateableResultTest( String name )
{
super( name );
try
{
Class.forName("org.postgresql.Driver");
}
catch( Exception ex ){}
}
protected void setUp() throws Exception
{
con = TestUtil.openDB();
TestUtil.createTable(con, "updateable", "id int primary key, name text, notselected text, ts timestamp with time zone, intarr int[]", true);
TestUtil.createTable(con, "second", "id1 int primary key, name1 text");
TestUtil.createTable(con, "stream", "id int primary key, asi text, chr text, bin bytea");
TestUtil.createTable(con, "multicol", "id1 int not null, id2 int not null, val text");
Statement st2 = con.createStatement();
// create pk for multicol table
st2.execute("ALTER TABLE multicol ADD CONSTRAINT multicol_pk PRIMARY KEY (id1, id2)");
// put some dummy data into second
st2.execute( "insert into second values (1,'anyvalue' )");
st2.close();
}
protected void tearDown() throws Exception
{
TestUtil.dropTable(con, "updateable");
TestUtil.dropTable(con, "second");
TestUtil.dropTable(con, "stream");
TestUtil.closeDB(con);
}
public void testDeleteRows() throws SQLException
{
Statement st = con.createStatement();
st.executeUpdate("INSERT INTO second values (2,'two')");
st.executeUpdate("INSERT INTO second values (3,'three')");
st.executeUpdate("INSERT INTO second values (4,'four')");
st.close();
st = con.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE );
ResultSet rs = st.executeQuery( "select id1,name1 from second order by id1");
assertTrue(rs.next());
assertEquals(1, rs.getInt("id1"));
rs.deleteRow();
assertTrue(rs.isBeforeFirst());
assertTrue(rs.next());
assertTrue(rs.next());
assertEquals(3, rs.getInt("id1"));
rs.deleteRow();
assertEquals(2, rs.getInt("id1"));
rs.close();
st.close();
}
public void testCancelRowUpdates() throws Exception
{
Statement st = con.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE );
ResultSet rs = st.executeQuery( "select * from second");
// make sure we're dealing with the correct row.
rs.first();
assertEquals(1, rs.getInt(1));
assertEquals("anyvalue", rs.getString(2));
// update, cancel and make sure nothings changed.
rs.updateInt(1, 99);
rs.cancelRowUpdates();
assertEquals(1, rs.getInt(1));
assertEquals("anyvalue", rs.getString(2));
// real update
rs.updateInt(1, 999);
rs.updateRow();
assertEquals(999, rs.getInt(1));
assertEquals("anyvalue", rs.getString(2));
// scroll some and make sure the update is still there
rs.beforeFirst();
rs.next();
assertEquals(999, rs.getInt(1));
assertEquals("anyvalue", rs.getString(2));
// make sure the update got to the db and the driver isn't lying to us.
rs.close();
rs = st.executeQuery( "select * from second");
rs.first();
assertEquals(999, rs.getInt(1));
assertEquals("anyvalue", rs.getString(2));
rs.close();
st.close();
}
private void checkPositioning(ResultSet rs) throws SQLException
{
try
{
rs.getInt(1);
fail("Can't use an incorrectly positioned result set.");
}
catch (SQLException sqle)
{
}
try
{
rs.updateInt(1, 2);
fail("Can't use an incorrectly positioned result set.");
}
catch (SQLException sqle)
{
}
try
{
rs.updateRow();
fail("Can't use an incorrectly positioned result set.");
}
catch (SQLException sqle)
{
}
try
{
rs.deleteRow();
fail("Can't use an incorrectly positioned result set.");
}
catch (SQLException sqle)
{
}
}
public void testPositioning() throws SQLException
{
Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery("SELECT id1,name1 FROM second");
checkPositioning(rs);
assertTrue(rs.next());
rs.beforeFirst();
checkPositioning(rs);
rs.afterLast();
checkPositioning(rs);
rs.beforeFirst();
assertTrue(rs.next());
assertTrue(!rs.next());
checkPositioning(rs);
rs.afterLast();
assertTrue(rs.previous());
assertTrue(!rs.previous());
checkPositioning(rs);
rs.close();
stmt.close();
}
public void testUpdateTimestamp() throws SQLException
{
TimeZone origTZ = TimeZone.getDefault();
try {
// We choose a timezone which has a partial hour portion
// Asia/Tehran is +3:30
TimeZone.setDefault(TimeZone.getTimeZone("Asia/Tehran"));
Timestamp ts = Timestamp.valueOf("2006-11-20 16:17:18");
Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery("SELECT id, ts FROM updateable");
rs.moveToInsertRow();
rs.updateInt(1,1);
rs.updateTimestamp(2,ts);
rs.insertRow();
rs.first();
assertEquals(ts, rs.getTimestamp(2));
} finally {
TimeZone.setDefault(origTZ);
}
}
public void testUpdateStreams() throws SQLException, UnsupportedEncodingException
{
String string = "Hello";
byte[] bytes = new byte[]{0,'\\',(byte) 128,(byte) 255};
Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery("SELECT id, asi, chr, bin FROM stream");
rs.moveToInsertRow();
rs.updateInt(1, 1);
rs.updateAsciiStream("asi", null, 17);
rs.updateCharacterStream("chr", null, 81);
rs.updateBinaryStream("bin", null, 0);
rs.insertRow();
rs.moveToInsertRow();
rs.updateInt(1, 3);
rs.updateAsciiStream("asi", new ByteArrayInputStream(string.getBytes("US-ASCII")), 5);
rs.updateCharacterStream("chr", new StringReader(string), 5);
rs.updateBinaryStream("bin", new ByteArrayInputStream(bytes), bytes.length);
rs.insertRow();
rs.beforeFirst();
rs.next();
assertEquals(1, rs.getInt(1));
assertNull(rs.getString(2));
assertNull(rs.getString(3));
assertNull(rs.getBytes(4));
rs.updateInt("id", 2);
rs.updateAsciiStream("asi", new ByteArrayInputStream(string.getBytes("US-ASCII")), 5);
rs.updateCharacterStream("chr", new StringReader(string), 5);
rs.updateBinaryStream("bin", new ByteArrayInputStream(bytes), bytes.length);
rs.updateRow();
assertEquals(2, rs.getInt(1));
assertEquals(string, rs.getString(2));
assertEquals(string, rs.getString(3));
assertTrue(Arrays.equals(bytes, rs.getBytes(4)));
rs.refreshRow();
assertEquals(2, rs.getInt(1));
assertEquals(string, rs.getString(2));
assertEquals(string, rs.getString(3));
assertTrue(Arrays.equals(bytes, rs.getBytes(4)));
rs.next();
assertEquals(3, rs.getInt(1));
assertEquals(string, rs.getString(2));
assertEquals(string, rs.getString(3));
assertTrue(Arrays.equals(bytes, rs.getBytes(4)));
rs.close();
stmt.close();
}
public void testZeroRowResult() throws SQLException
{
Statement st = con.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE );
ResultSet rs = st.executeQuery( "select * from updateable WHERE 0 > 1");
assertTrue(!rs.next());
rs.moveToInsertRow();
rs.moveToCurrentRow();
}
public void testUpdateable() throws SQLException
{
Statement st = con.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE );
ResultSet rs = st.executeQuery( "select * from updateable");
assertNotNull( rs );
rs.moveToInsertRow();
rs.updateInt( 1, 1 );
rs.updateString( 2, "jake" );
rs.updateString( 3, "avalue" );
rs.insertRow();
rs.first();
rs.updateInt( "id", 2 );
rs.updateString( "name", "dave" );
rs.updateRow();
assertEquals(2, rs.getInt("id"));
assertEquals("dave", rs.getString("name"));
assertEquals("avalue", rs.getString("notselected"));
rs.deleteRow();
rs.moveToInsertRow();
rs.updateInt("id", 3);
rs.updateString("name", "paul");
rs.insertRow();
try
{
rs.refreshRow();
fail("Can't refresh when on the insert row.");
}
catch (SQLException sqle)
{
}
assertEquals(3, rs.getInt("id"));
assertEquals("paul", rs.getString("name"));
assertNull(rs.getString("notselected"));
rs.close();
rs = st.executeQuery("select id1, id, name, name1 from updateable, second" );
try
{
while ( rs.next() )
{
rs.updateInt( "id", 2 );
rs.updateString( "name", "dave" );
rs.updateRow();
}
fail("should not get here, update should fail");
}
catch (SQLException ex)
{
}
rs = st.executeQuery("select oid,* from updateable");
assertTrue(rs.first());
rs.updateInt( "id", 3 );
rs.updateString( "name", "dave3");
rs.updateRow();
assertEquals(3, rs.getInt("id"));
assertEquals("dave3", rs.getString("name"));
rs.moveToInsertRow();
rs.updateInt( "id", 4 );
rs.updateString( "name", "dave4" );
rs.insertRow();
rs.updateInt("id", 5 );
rs.updateString( "name", "dave5" );
rs.insertRow();
rs.moveToCurrentRow();
assertEquals(3, rs.getInt("id"));
assertEquals("dave3", rs.getString("name"));
assertTrue( rs.next() );
assertEquals(4, rs.getInt("id"));
assertEquals("dave4", rs.getString("name"));
assertTrue( rs.next() );
assertEquals(5, rs.getInt("id"));
assertEquals("dave5", rs.getString("name"));
rs.close();
st.close();
}
public void testInsertRowIllegalMethods() throws Exception
{
Statement st = con.createStatement( ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE );
ResultSet rs = st.executeQuery( "select * from updateable");
assertNotNull(rs);
rs.moveToInsertRow();
try {
rs.cancelRowUpdates();
fail("expected an exception when calling cancelRowUpdates() on the insert row");
} catch (SQLException e) {}
try {
rs.updateRow();
fail("expected an exception when calling updateRow() on the insert row");
} catch (SQLException e) {}
try {
rs.deleteRow();
fail("expected an exception when calling deleteRow() on the insert row");
} catch (SQLException e) {}
try {
rs.refreshRow();
fail("expected an exception when calling refreshRow() on the insert row");
} catch (SQLException e) {}
rs.close();
st.close();
}
public void testUpdateablePreparedStatement() throws Exception
{
// No args.
PreparedStatement st = con.prepareStatement("select * from updateable",
ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet rs = st.executeQuery();
rs.moveToInsertRow();
rs.close();
st.close();
// With args.
st = con.prepareStatement("select * from updateable where id = ?",
ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
st.setInt(1, 1);
rs = st.executeQuery();
rs.moveToInsertRow();
rs.close();
st.close();
}
public void testUpdateSelectOnly() throws Exception
{
Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet rs = st.executeQuery( "select * from only second");
assertTrue(rs.next());
rs.updateInt(1, 2);
rs.updateRow();
}
public void testUpdateReadOnlyResultSet() throws Exception
{
Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
ResultSet rs = st.executeQuery( "select * from updateable");
try {
rs.moveToInsertRow();
fail("expected an exception when calling moveToInsertRow() on a read-only resultset");
} catch (SQLException e) {}
}
public void testBadColumnIndexes() throws Exception
{
Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet rs = st.executeQuery( "select * from updateable");
rs.moveToInsertRow();
try {
rs.updateInt(0,1);
fail("Should have thrown an exception on bad column index.");
} catch (SQLException sqle) { }
try {
rs.updateString(1000,"hi");
fail("Should have thrown an exception on bad column index.");
} catch (SQLException sqle) { }
try {
rs.updateNull(1000);
fail("Should have thrown an exception on bad column index.");
} catch (SQLException sqle) { }
}
public void testArray() throws SQLException {
Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
stmt.executeUpdate("INSERT INTO updateable (id, intarr) VALUES (1, '{1,2,3}'::int4[])");
ResultSet rs = stmt.executeQuery("SELECT id, intarr FROM updateable");
assertTrue(rs.next());
rs.updateObject(2, rs.getArray(2));
rs.updateRow();
Array arr = rs.getArray(2);
assertEquals(Types.INTEGER, arr.getBaseType());
Integer intarr[] = (Integer[])arr.getArray();
assertEquals(3, intarr.length);
assertEquals(1, intarr[0].intValue());
assertEquals(2, intarr[1].intValue());
assertEquals(3, intarr[2].intValue());
rs.close();
rs = stmt.executeQuery("SELECT id,intarr FROM updateable");
assertTrue(rs.next());
arr = rs.getArray(2);
assertEquals(Types.INTEGER, arr.getBaseType());
intarr = (Integer[])arr.getArray();
assertEquals(3, intarr.length);
assertEquals(1, intarr[0].intValue());
assertEquals(2, intarr[1].intValue());
assertEquals(3, intarr[2].intValue());
rs.close();
stmt.close();
}
public void testMultiColumnUpdateWithoutAllColumns() throws Exception {
Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet rs = st.executeQuery( "select id1,val from multicol");
try {
rs.moveToInsertRow();
} catch (SQLException sqle) {
// Ensure we're reporting that the RS is not updatable.
assertEquals("24000", sqle.getSQLState());
}
}
public void testMultiColumnUpdate() throws Exception {
Statement st = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
st.executeUpdate("INSERT INTO multicol (id1,id2,val) VALUES (1,2,'val')");
ResultSet rs = st.executeQuery("SELECT id1, id2, val FROM multicol");
assertTrue(rs.next());
assertEquals("val", rs.getString("val"));
rs.updateString("val", "newval");
rs.updateRow();
rs.close();
rs = st.executeQuery("SELECT id1, id2, val FROM multicol");
assertTrue(rs.next());
assertEquals("newval", rs.getString("val"));
rs.close();
st.close();
}
}