3 files changed, 30 insertions, 4 deletions
diff --git a/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.h b/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.h
index 075ffbb0..0101ffa3 100644
--- a/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.h
+++ b/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.h
@@ -48,12 +48,12 @@
 /**
  * @property date The date instance that holds the time.
  */
-@property (readonly) NSDate *date;
+@property (readwrite, retain) NSDate *date;
 
 /**
  * @property timeZone The time zone of the associated time.
  */
-@property (readonly) NSTimeZone *timeZone;
+@property (readwrite, retain) NSTimeZone *timeZone;
 
 + (PGPostgresTimeTZ *)timeWithDate:(NSDate *)date timeZoneGMTOffset:(NSUInteger)offset;
 
diff --git a/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.m b/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.m
index d2d91898..c4f14eb5 100644
--- a/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.m
+++ b/Frameworks/PostgresKit/Source/PGPostgresTimeTZ.m
@@ -57,9 +57,10 @@
 - (id)initWithDate:(NSDate *)date timeZoneGMTOffset:(NSUInteger)offset
 {
 	if ((self = [super init])) {
-		_date = date;
 		_hasDate = NO;
-		_timeZone = [NSTimeZone timeZoneForSecondsFromGMT:offset];
+		
+		[self setDate:date];
+		[self setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:offset]];
 	}
 	
 	return self;
@@ -67,6 +68,20 @@
 
 #pragma mark -
 
+- (NSUInteger)hash
+{
+	return [_date hash] ^ [_timeZone hash];
+}
+
+- (BOOL)isEqual:(id)object
+{
+	if (object == self) return YES;
+	
+	if (!object || ![object isKindOfClass:[self class]]) return NO;
+	
+	return [_date isEqualToDate:[(PGPostgresTimeTZ *)object date]] && [_timeZone isEqualToTimeZone:[(PGPostgresTimeTZ *)object timeZone]];
+}
+
 - (NSString *)description
 {
 	NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
@@ -81,4 +96,14 @@
 	return [NSString stringWithFormat:@"%@ %@", output, [_timeZone abbreviation]];
 }
 
+#pragma mark -
+
+- (void)dealloc
+{
+	if (_date) [_date release], _date = nil;
+	if (_timeZone) [_timeZone release], _timeZone = nil;
+	
+	[super dealloc];
+}
+
 @end
diff --git a/Frameworks/PostgresKit/Source/PostgresKit.h b/Frameworks/PostgresKit/Source/PostgresKit.h
index 4189fffe..49d15b09 100644
--- a/Frameworks/PostgresKit/Source/PostgresKit.h
+++ b/Frameworks/PostgresKit/Source/PostgresKit.h
@@ -20,6 +20,7 @@
 
 #import "PGPostgresError.h"
 #import "PGPostgresResult.h"
+#import "PGPostgresTimeTZ.h"
 #import "PGPostgresStatement.h"
 #import "PGPostgresException.h"
 #import "PGPostgresConnection.h"