QUERY: CREATE TABLE TINTERVAL_TBL (f1  tinterval);
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["-infinity" "infinity"]');
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["May 10, 1943 23:59:12" "Jan 14, 1973 03:14:21"]');
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["Sep 4, 1983 23:59:12" "Oct 4, 1983 23:59:12"]');
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["epoch" "Mon May  1 00:30:30 1995"]');
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["Feb 15 1990 12:15:03" "current"]');
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["bad time specifications" ""]');
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["" "infinity"]');
QUERY: SELECT '' AS seven, TINTERVAL_TBL.*;
seven|f1                                                             
-----+---------------------------------------------------------------
     |['-infinity' 'infinity']                                       
     |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
     |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
     |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
     |['Undefined Range']                                            
     |['Undefined Range']                                            
(7 rows)

QUERY: SELECT '' AS one, t.*
   FROM TINTERVAL_TBL t
   WHERE t.f1 #= '@ 1 months';
one|f1                                                             
---+---------------------------------------------------------------
   |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
(1 row)

QUERY: SELECT '' AS three, t.*
   FROM TINTERVAL_TBL t
   WHERE t.f1 #<> '@ 1 months';
three|f1                                                             
-----+---------------------------------------------------------------
     |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
     |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
(3 rows)

QUERY: SELECT '' AS zero, t.*
   FROM TINTERVAL_TBL t
   WHERE t.f1 #< '@ 1 month';
zero|f1
----+--
(0 rows)

QUERY: SELECT '' AS one, t.*
   FROM TINTERVAL_TBL t
   WHERE t.f1 #<= '@ 1 month';
one|f1                                                             
---+---------------------------------------------------------------
   |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
(1 row)

QUERY: SELECT '' AS three, t.*
   FROM TINTERVAL_TBL t
   WHERE t.f1 #> '@ 1 year';
three|f1                                                             
-----+---------------------------------------------------------------
     |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
     |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
(3 rows)

QUERY: SELECT '' AS three, t.*
   FROM TINTERVAL_TBL t
   WHERE t.f1 #>= '@ 3 years';
three|f1                                                             
-----+---------------------------------------------------------------
     |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
     |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
(3 rows)

QUERY: SELECT '' AS three, t1.*
   FROM TINTERVAL_TBL t1
   WHERE t1.f1 &&
	'["Aug 15 14:23:19 1983" "Sep 16 14:23:19 1983"]'::tinterval;
three|f1                                                             
-----+---------------------------------------------------------------
     |['-infinity' 'infinity']                                       
     |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
(3 rows)

QUERY: SELECT '' AS five, t1.*, t2.*
   FROM TINTERVAL_TBL t1, TINTERVAL_TBL t2
   WHERE t1.f1 && t2.f1 and
	 t1.f1 = t2.f1;
five|f1                                                             |f1                                                             
----+---------------------------------------------------------------+---------------------------------------------------------------
    |['-infinity' 'infinity']                                       |['-infinity' 'infinity']                                       
    |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']|['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
    |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']|['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
    |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
    |['Thu Feb 15 12:15:03 1990 PST' 'current']                     |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
(5 rows)

QUERY: SELECT '' AS fourteen, t1.*, t2.*
   FROM TINTERVAL_TBL t1, TINTERVAL_TBL t2
   WHERE t1.f1 && t2.f1 and
	not t1.f1 = t2.f1;
fourteen|f1                                                             |f1                                                             
--------+---------------------------------------------------------------+---------------------------------------------------------------
        |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']|['-infinity' 'infinity']                                       
        |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']|['-infinity' 'infinity']                                       
        |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       |['-infinity' 'infinity']                                       
        |['Thu Feb 15 12:15:03 1990 PST' 'current']                     |['-infinity' 'infinity']                                       
        |['-infinity' 'infinity']                                       |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
        |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
        |['-infinity' 'infinity']                                       |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
        |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
        |['-infinity' 'infinity']                                       |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
        |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']|['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
        |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']|['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
        |['Thu Feb 15 12:15:03 1990 PST' 'current']                     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
        |['-infinity' 'infinity']                                       |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
        |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
(14 rows)

QUERY: SELECT '' AS five, t1.*
   FROM TINTERVAL_TBL t1
   WHERE not t1.f1 <<
	'["Aug 15 14:23:19 1980" "Sep 16 14:23:19 1990"]'::tinterval;
five|f1                                                             
----+---------------------------------------------------------------
    |['Mon May 10 23:59:12 1943 PWT' 'Sun Jan 14 03:14:21 1973 PST']
    |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
    |['Thu Feb 15 12:15:03 1990 PST' 'current']                     
    |['Undefined Range']                                            
    |['Undefined Range']                                            
(5 rows)

QUERY: SELECT '' AS three, t1.*
   FROM TINTERVAL_TBL t1
   WHERE t1.f1 &&
	('Aug 15 14:23:19 1983'::abstime <#>
	 'Sep 16 14:23:19 1983'::abstime);
three|f1                                                             
-----+---------------------------------------------------------------
     |['-infinity' 'infinity']                                       
     |['Sun Sep 04 23:59:12 1983 PDT' 'Tue Oct 04 23:59:12 1983 PDT']
     |['epoch' 'Mon May 01 00:30:30 1995 PDT']                       
(3 rows)