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diff --git a/Frameworks/PostgresKit/Source/PGPostgresError.m b/Frameworks/PostgresKit/Source/PGPostgresError.m
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+++ b/Frameworks/PostgresKit/Source/PGPostgresError.m
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+//
+//  $Id: PGPostgresError.m 3837 2012-09-09 12:25:03Z stuart02 $
+//
+//  PGPostgresError.m
+//  PostgresKit
+//
+//  Created by Stuart Connolly (stuconnolly.com) on September 3, 2012.
+//  Copyright (c) 2012 Stuart Connolly. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+#import "PGPostgresError.h"
+#import "PGPostgresException.h"
+
+@interface PGPostgresError ()
+
+- (void)_extractErrorDetailsFromResult:(const PGresult *)result;
+- (NSString *)_extractErrorField:(int)field fromResult:(const PGresult *)result;
+
+@end
+
+@implementation PGPostgresError
+
+@synthesize errorSeverity = _errorSeverity;
+@synthesize errorStateCode = _errorStateCode;
+@synthesize errorPrimaryMessage = _errorPrimaryMessage;
+@synthesize errorDetailMessage = _errorDetailMessage;
+@synthesize errorMessageHint = _errorMessageHint;
+@synthesize errorStatementPosition = _errorStatementPosition;
+
+#pragma mark -
+
+- (id)init
+{
+	[PGPostgresException raise:NSInternalInconsistencyException 
+						 reason:@"%@ shouldn't be init'd directly; use initWithResult: instead.", [self className]];
+	
+	return nil;
+}
+
+- (id)initWithResult:(const void *)result
+{
+	if ((self = [super init])) {
+		
+		_errorSeverity = nil;
+		_errorStateCode = nil;
+		_errorPrimaryMessage = nil;
+		_errorDetailMessage = nil;
+		_errorMessageHint = nil;
+		_errorStatementPosition = -1;
+		
+		if (result) [self _extractErrorDetailsFromResult:(const PGresult *)result];
+	}
+	
+	return self;
+}
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"<%@: Sev %@ (%@): %@>", [self className], _errorSeverity, _errorStateCode, _errorPrimaryMessage];
+}
+
+#pragma mark -
+#pragma mark Private API
+
+/**
+ * Extracts all the error information from the supplied result.
+ *
+ * @param result The Postgres result to extract the information from.
+ */
+- (void)_extractErrorDetailsFromResult:(const PGresult *)result
+{
+	// Note that we don't expose all the fields that are available.
+	// The ones we don't mostly include information internal to Postgres 
+	// that generally isn't useful to end users.
+	_errorSeverity = [self _extractErrorField:PG_DIAG_SEVERITY fromResult:result];
+	_errorStateCode = [self _extractErrorField:PG_DIAG_SQLSTATE fromResult:result];
+	_errorPrimaryMessage = [self _extractErrorField:PG_DIAG_MESSAGE_PRIMARY fromResult:result];
+	_errorDetailMessage = [self _extractErrorField:PG_DIAG_MESSAGE_DETAIL fromResult:result];
+	_errorMessageHint = [self _extractErrorField:PG_DIAG_MESSAGE_HINT fromResult:result];
+	_errorStatementPosition = [[self _extractErrorField:PG_DIAG_STATEMENT_POSITION fromResult:result] integerValue];
+}
+
+/**
+ * Extracts the supplied error field from the supplied Postgres result.
+ *
+ * @param field The error field to extract.
+ * @param result The Postgres result to extract the field from.
+ *
+ * @return A string representing the error value. The caller is responsible for freeing the associated memory.
+ */
+- (NSString *)_extractErrorField:(int)field fromResult:(const PGresult *)result
+{	
+	return [[[NSString alloc] initWithUTF8String:PQresultErrorField(result, field)] autorelease];
+}
+
+#pragma mark -
+
+- (void)dealloc
+{
+	if (_errorSeverity) [_errorSeverity release], _errorSeverity = nil;
+	if (_errorStateCode) [_errorStateCode release], _errorStateCode = nil;
+	if (_errorPrimaryMessage) [_errorPrimaryMessage release], _errorPrimaryMessage = nil;
+	if (_errorDetailMessage) [_errorDetailMessage release], _errorDetailMessage = nil;
+	if (_errorMessageHint) [_errorMessageHint release], _errorMessageHint = nil;
+	
+	[super dealloc];
+}
+
+@end