pg: add test that verifies PGServer response to Describe message

Prior to the fix the test would fail with NPE:

  Exception in thread "main" java.lang.NullPointerException
      at org.postgresql.jdbc2.AbstractJdbc2ResultSet.checkColumnIndex(AbstractJdbc2ResultSet.java:2619)
      at org.postgresql.jdbc2.AbstractJdbc2ResultSet.checkResultSet(AbstractJdbc2ResultSet.java:2637)
      at org.postgresql.jdbc2.AbstractJdbc2ResultSet.getInt(AbstractJdbc2ResultSet.java:2005)
      at org.h2.test.server.TestPGServer.testPrepareWithUnspecifiedType(TestPGServer.java:76)
      at org.h2.test.server.TestPGServer.test(TestPGServer.java:44)
      at org.h2.test.server.TestPGServer.main(TestPGServer.java:29)

h2/src/test/org/h2/test/unit/TestPgServer.java

@@ -23,6 +23,7 @@ import java.util.concurrent.Future;
 
 import org.h2.test.TestBase;
 import org.h2.tools.Server;
+import org.postgresql.PGStatement;
 
 /**
  * Tests the PostgreSQL server protocol compliant implementation.
@@ -46,6 +47,7 @@ public class TestPgServer extends TestBase {
         testKeyAlias();
         testCancelQuery();
         testBinaryTypes();
+        testPrepareWithUnspecifiedType();
     }
 
     private void testLowerCaseIdentifiers() throws SQLException {
@@ -407,4 +409,39 @@ public class TestPgServer extends TestBase {
             server.stop();
         }
     }
+
+    private void testPrepareWithUnspecifiedType() throws Exception {
+        if (!getPgJdbcDriver()) {
+            return;
+        }
+
+        Server server = Server.createPgServer(
+                "-pgPort", "5535", "-pgDaemon", "-key", "test", "mem:test");
+        server.start();
+        try {
+            Connection conn = DriverManager.getConnection(
+                    "jdbc:postgresql://localhost:5535/test", "sa", "sa");
+
+            Statement stmt = conn.createStatement();
+            stmt.executeUpdate("create table t1 (id integer, value boolean)");
+            stmt.executeUpdate("INSERT INTO t1 VALUES (1,'t')");
+            stmt.executeUpdate("INSERT INTO t1 VALUES (2,'f')");
+            stmt.close();
+
+            PreparedStatement pstmt = conn.prepareStatement("SELECT * FROM t1 WHERE value = ?");
+            ((PGStatement) pstmt).setPrepareThreshold(1); // force server side prepare
+            assertTrue(((PGStatement) pstmt).isUseServerPrepare());
+
+            pstmt.setObject(1, false, Types.OTHER);
+            ResultSet rs = pstmt.executeQuery();
+            assertTrue(rs.next());
+            assertEquals(2, rs.getInt(1));
+            rs.close();
+            pstmt.close();
+
+            conn.close();
+        } finally {
+            server.stop();
+        }
+    }
 }

h2/src/tools/org/h2/build/Build.java

@@ -209,6 +209,7 @@ public class Build extends BuildBase {
                 File.pathSeparator + "ext/org.osgi.core-4.2.0.jar" +
                 File.pathSeparator + "ext/org.osgi.enterprise-4.2.0.jar" +
                 File.pathSeparator + "ext/jts-core-1.14.0.jar" +
+                File.pathSeparator + "ext/postgresql-8.3-603.jdbc3.jar" +
                 File.pathSeparator + javaToolsJar;
         FileList files;
         if (clientOnly) {
@@ -317,6 +318,9 @@ public class Build extends BuildBase {
         downloadOrVerify("ext/junit-4.12.jar",
                 "junit", "junit", "4.12",
                 "2973d150c0dc1fefe998f834810d68f278ea58ec", offline);
+        downloadOrVerify("ext/postgresql-8.3-603.jdbc3.jar",
+                "postgresql", "postgresql", "8.3-603.jdbc3",
+                "33d531c3c53055ddcbea3d88bfa093466ffef924", offline);
     }
 
     private void downloadOrVerify(String target, String group, String artifact,