This patch implements the JDBC3 metadata methods:

  DatabaseMetaData.getDatabaseMajorVersion()
  DatabaseMetaData.getDatabaseMinorVersion()
  DatabaseMetaData.getJDBCMajorVersion()
  DatabaseMetaData.getJDBCMinorVersion()
  DatabaseMetaData.supportsStatementPooling()

Index: src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java
===================================================================
RCS file: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java,v
retrieving revision 1.13
diff -u -u -r1.13 AbstractJdbc1Connection.java
--- src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java	2002/11/14 05:35:45	1.13
+++ src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1Connection.java	2002/12/17 05:24:15
@@ -1211,6 +1211,56 @@
 		return dbVersionNumber;
 	}
 
+	// Parse a "dirty" integer surrounded by non-numeric characters
+	private static int integerPart(String dirtyString)
+	{
+		int start, end;
+
+		for (start = 0; start < dirtyString.length() && !Character.isDigit(dirtyString.charAt(start)); ++start)
+			;
+		
+		for (end = start; end < dirtyString.length() && Character.isDigit(dirtyString.charAt(end)); ++end)
+			;
+
+		if (start == end)
+			return 0;
+
+		return Integer.parseInt(dirtyString.substring(start, end));
+	}
+
+	/*
+	 * Get server major version
+	 */
+	public int getServerMajorVersion()
+	{        
+		try
+		{
+			StringTokenizer versionTokens = new StringTokenizer(dbVersionNumber, ".");  // aaXbb.ccYdd       
+			return integerPart(versionTokens.nextToken()); // return X
+		}
+		catch (NoSuchElementException e)
+		{
+			return 0;
+		}
+	}
+
+	/*
+	 * Get server minor version
+	 */
+	public int getServerMinorVersion()
+	{        
+		try
+		{
+			StringTokenizer versionTokens = new StringTokenizer(dbVersionNumber, ".");  // aaXbb.ccYdd
+			versionTokens.nextToken(); // Skip aaXbb
+			return integerPart(versionTokens.nextToken()); // return Y
+		}
+		catch (NoSuchElementException e)
+		{
+			return 0;
+		}
+	}
+	
 	/**
 	 * Is the server we are connected to running at least this version?
 	 * This comparison method will fail whenever a major or minor version
Index: src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3DatabaseMetaData.java
===================================================================
RCS file: /projects/cvsroot/pgsql-server/src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3DatabaseMetaData.java,v
retrieving revision 1.3
diff -u -u -r1.3 AbstractJdbc3DatabaseMetaData.java
--- src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3DatabaseMetaData.java	2002/11/20 20:37:53	1.3
+++ src/interfaces/jdbc/org/postgresql/jdbc3/AbstractJdbc3DatabaseMetaData.java	2002/12/17 05:25:44
@@ -271,7 +271,7 @@
 	 */
 	public int getDatabaseMajorVersion() throws SQLException
 	{
-		throw org.postgresql.Driver.notImplemented();
+		return connection.getServerMajorVersion();
 	}
 
 	/**
@@ -283,7 +283,7 @@
 	 */
 	public int getDatabaseMinorVersion() throws SQLException
 	{
-		throw org.postgresql.Driver.notImplemented();
+		return connection.getServerMinorVersion();
 	}
 
 	/**
@@ -296,7 +296,7 @@
 	 */
 	public int getJDBCMajorVersion() throws SQLException
 	{
-		throw org.postgresql.Driver.notImplemented();
+		return 3; // This class implements JDBC 3.0
 	}
 
 	/**
@@ -309,7 +309,7 @@
 	 */
 	public int getJDBCMinorVersion() throws SQLException
 	{
-		throw org.postgresql.Driver.notImplemented();
+		return 0; // This class implements JDBC 3.0
 	}
 
 	/**
@@ -349,7 +349,7 @@
 	 */
 	public boolean supportsStatementPooling() throws SQLException
 	{
-		throw org.postgresql.Driver.notImplemented();
+		return false;
 	}
 
 }