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-rw-r--r--src/test/regress/expected/timestamptz.out668
-rw-r--r--src/test/regress/sql/timestamptz.sql136
2 files changed, 804 insertions, 0 deletions
diff --git a/src/test/regress/expected/timestamptz.out b/src/test/regress/expected/timestamptz.out
index 9a4ce3e3363..bb7c3e6f51c 100644
--- a/src/test/regress/expected/timestamptz.out
+++ b/src/test/regress/expected/timestamptz.out
@@ -1675,3 +1675,671 @@ SELECT '' AS to_char_11, to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID')
| 2001 1 1 1 1 1 1
(66 rows)
+--
+-- Test behavior with a dynamic (time-varying) timezone abbreviation.
+-- These tests rely on the knowledge that MSK (Europe/Moscow standard time)
+-- changed meaning in Mar 2011 and back again in Oct 2014.
+--
+SET TimeZone to 'UTC';
+SELECT '2011-03-27 00:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 21:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:59:59 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:01 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:59:59 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:01 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 04:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 00:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 00:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 21:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:59:59 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:01 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:59:59 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 22:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:01 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Mar 26 23:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 04:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 00:00:00 2011 UTC
+(1 row)
+
+SELECT '2014-10-26 00:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 20:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 00:59:59 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 20:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 22:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:01 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 22:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:59:59 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 22:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 23:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:01 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 23:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 03:00:00 Europe/Moscow'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 00:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 00:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 20:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 00:59:59 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 20:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 22:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:01 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 22:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:59:59 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 22:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 23:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:01 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sat Oct 25 23:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 03:00:00 MSK'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 00:00:00 2014 UTC
+(1 row)
+
+SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 21:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 22:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 22:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 23:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 23:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 23:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 23:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Mar 26 23:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sun Mar 27 00:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 21:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 22:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 22:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 22:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 22:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 22:59:59 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 23:00:00 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Mar 26 23:00:01 2011 UTC
+(1 row)
+
+SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sun Mar 27 00:00:00 2011 UTC
+(1 row)
+
+SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 20:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 20:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 22:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 22:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 22:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 23:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sat Oct 25 23:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+ timezone
+------------------------------
+ Sun Oct 26 00:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 20:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 20:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 22:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 22:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 01:59:59'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 22:59:59 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 23:00:00 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 02:00:01'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sat Oct 25 23:00:01 2014 UTC
+(1 row)
+
+SELECT '2014-10-26 03:00:00'::timestamp AT TIME ZONE 'MSK';
+ timezone
+------------------------------
+ Sun Oct 26 00:00:00 2014 UTC
+(1 row)
+
+SET TimeZone to 'Europe/Moscow';
+SELECT '2011-03-26 21:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 00:00:00 2011 MSK
+(1 row)
+
+SELECT '2011-03-26 22:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 01:00:00 2011 MSK
+(1 row)
+
+SELECT '2011-03-26 22:59:59 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 01:59:59 2011 MSK
+(1 row)
+
+SELECT '2011-03-26 23:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 03:00:00 2011 MSK
+(1 row)
+
+SELECT '2011-03-26 23:00:01 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 03:00:01 2011 MSK
+(1 row)
+
+SELECT '2011-03-26 23:59:59 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 03:59:59 2011 MSK
+(1 row)
+
+SELECT '2011-03-27 00:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Mar 27 04:00:00 2011 MSK
+(1 row)
+
+SELECT '2014-10-25 20:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 00:00:00 2014 MSK
+(1 row)
+
+SELECT '2014-10-25 21:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 01:00:00 2014 MSK
+(1 row)
+
+SELECT '2014-10-25 21:59:59 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 01:59:59 2014 MSK
+(1 row)
+
+SELECT '2014-10-25 22:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 01:00:00 2014 MSK
+(1 row)
+
+SELECT '2014-10-25 22:00:01 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 01:00:01 2014 MSK
+(1 row)
+
+SELECT '2014-10-25 22:59:59 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 01:59:59 2014 MSK
+(1 row)
+
+SELECT '2014-10-25 23:00:00 UTC'::timestamptz;
+ timestamptz
+------------------------------
+ Sun Oct 26 02:00:00 2014 MSK
+(1 row)
+
+RESET TimeZone;
+SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 00:00:00 2011
+(1 row)
+
+SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 01:00:00 2011
+(1 row)
+
+SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 01:59:59 2011
+(1 row)
+
+SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 03:00:00 2011
+(1 row)
+
+SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 03:00:01 2011
+(1 row)
+
+SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 03:59:59 2011
+(1 row)
+
+SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Mar 27 04:00:00 2011
+(1 row)
+
+SELECT '2014-10-25 20:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 00:00:00 2014
+(1 row)
+
+SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 01:00:00 2014
+(1 row)
+
+SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 01:59:59 2014
+(1 row)
+
+SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 01:00:00 2014
+(1 row)
+
+SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 01:00:01 2014
+(1 row)
+
+SELECT '2014-10-25 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 01:59:59 2014
+(1 row)
+
+SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+ timezone
+--------------------------
+ Sun Oct 26 02:00:00 2014
+(1 row)
+
+SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 00:00:00 2011
+(1 row)
+
+SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 01:00:00 2011
+(1 row)
+
+SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 01:59:59 2011
+(1 row)
+
+SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 03:00:00 2011
+(1 row)
+
+SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 03:00:01 2011
+(1 row)
+
+SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 03:59:59 2011
+(1 row)
+
+SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Mar 27 04:00:00 2011
+(1 row)
+
+SELECT '2014-10-25 20:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 00:00:00 2014
+(1 row)
+
+SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 01:00:00 2014
+(1 row)
+
+SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 01:59:59 2014
+(1 row)
+
+SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 01:00:00 2014
+(1 row)
+
+SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 01:00:01 2014
+(1 row)
+
+SELECT '2014-10-25 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 01:59:59 2014
+(1 row)
+
+SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+ timezone
+--------------------------
+ Sun Oct 26 02:00:00 2014
+(1 row)
+
diff --git a/src/test/regress/sql/timestamptz.sql b/src/test/regress/sql/timestamptz.sql
index 863b2865cb5..214d5eb4fcb 100644
--- a/src/test/regress/sql/timestamptz.sql
+++ b/src/test/regress/sql/timestamptz.sql
@@ -240,3 +240,139 @@ SELECT '' AS to_char_10, to_char(d1, 'IYYY IYY IY I IW IDDD ID')
SELECT '' AS to_char_11, to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID')
FROM TIMESTAMPTZ_TBL;
+
+--
+-- Test behavior with a dynamic (time-varying) timezone abbreviation.
+-- These tests rely on the knowledge that MSK (Europe/Moscow standard time)
+-- changed meaning in Mar 2011 and back again in Oct 2014.
+--
+
+SET TimeZone to 'UTC';
+
+SELECT '2011-03-27 00:00:00 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 01:00:00 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 01:59:59 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 02:00:00 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 02:00:01 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 02:59:59 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 03:00:00 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 03:00:01 Europe/Moscow'::timestamptz;
+SELECT '2011-03-27 04:00:00 Europe/Moscow'::timestamptz;
+
+SELECT '2011-03-27 00:00:00 MSK'::timestamptz;
+SELECT '2011-03-27 01:00:00 MSK'::timestamptz;
+SELECT '2011-03-27 01:59:59 MSK'::timestamptz;
+SELECT '2011-03-27 02:00:00 MSK'::timestamptz;
+SELECT '2011-03-27 02:00:01 MSK'::timestamptz;
+SELECT '2011-03-27 02:59:59 MSK'::timestamptz;
+SELECT '2011-03-27 03:00:00 MSK'::timestamptz;
+SELECT '2011-03-27 03:00:01 MSK'::timestamptz;
+SELECT '2011-03-27 04:00:00 MSK'::timestamptz;
+
+SELECT '2014-10-26 00:00:00 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 00:59:59 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 01:00:00 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 01:00:01 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 01:59:59 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 02:00:00 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 02:00:01 Europe/Moscow'::timestamptz;
+SELECT '2014-10-26 03:00:00 Europe/Moscow'::timestamptz;
+
+SELECT '2014-10-26 00:00:00 MSK'::timestamptz;
+SELECT '2014-10-26 00:59:59 MSK'::timestamptz;
+SELECT '2014-10-26 01:00:00 MSK'::timestamptz;
+SELECT '2014-10-26 01:00:01 MSK'::timestamptz;
+SELECT '2014-10-26 01:59:59 MSK'::timestamptz;
+SELECT '2014-10-26 02:00:00 MSK'::timestamptz;
+SELECT '2014-10-26 02:00:01 MSK'::timestamptz;
+SELECT '2014-10-26 03:00:00 MSK'::timestamptz;
+
+SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+
+SELECT '2011-03-27 00:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 01:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 01:59:59'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 02:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 02:00:01'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 02:59:59'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 03:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 03:00:01'::timestamp AT TIME ZONE 'MSK';
+SELECT '2011-03-27 04:00:00'::timestamp AT TIME ZONE 'MSK';
+
+SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 01:59:59'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 02:00:01'::timestamp AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-26 03:00:00'::timestamp AT TIME ZONE 'Europe/Moscow';
+
+SELECT '2014-10-26 00:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 00:59:59'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 01:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 01:00:01'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 01:59:59'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 02:00:00'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 02:00:01'::timestamp AT TIME ZONE 'MSK';
+SELECT '2014-10-26 03:00:00'::timestamp AT TIME ZONE 'MSK';
+
+SET TimeZone to 'Europe/Moscow';
+
+SELECT '2011-03-26 21:00:00 UTC'::timestamptz;
+SELECT '2011-03-26 22:00:00 UTC'::timestamptz;
+SELECT '2011-03-26 22:59:59 UTC'::timestamptz;
+SELECT '2011-03-26 23:00:00 UTC'::timestamptz;
+SELECT '2011-03-26 23:00:01 UTC'::timestamptz;
+SELECT '2011-03-26 23:59:59 UTC'::timestamptz;
+SELECT '2011-03-27 00:00:00 UTC'::timestamptz;
+
+SELECT '2014-10-25 20:00:00 UTC'::timestamptz;
+SELECT '2014-10-25 21:00:00 UTC'::timestamptz;
+SELECT '2014-10-25 21:59:59 UTC'::timestamptz;
+SELECT '2014-10-25 22:00:00 UTC'::timestamptz;
+SELECT '2014-10-25 22:00:01 UTC'::timestamptz;
+SELECT '2014-10-25 22:59:59 UTC'::timestamptz;
+SELECT '2014-10-25 23:00:00 UTC'::timestamptz;
+
+RESET TimeZone;
+
+SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+
+SELECT '2014-10-25 20:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-25 22:59:59 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'Europe/Moscow';
+
+SELECT '2011-03-26 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2011-03-26 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2011-03-26 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2011-03-26 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2011-03-26 23:00:01 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2011-03-26 23:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2011-03-27 00:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+
+SELECT '2014-10-25 20:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2014-10-25 21:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2014-10-25 21:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2014-10-25 22:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2014-10-25 22:00:01 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2014-10-25 22:59:59 UTC'::timestamptz AT TIME ZONE 'MSK';
+SELECT '2014-10-25 23:00:00 UTC'::timestamptz AT TIME ZONE 'MSK';