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, 1947 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" ""]');
ERROR:  Bad abstime external representation 'bad time specifications'
QUERY: INSERT INTO TINTERVAL_TBL (f1)
   VALUES ('["" "infinity"]');
ERROR:  Bad abstime external representation ''
QUERY: SELECT '' AS five, TINTERVAL_TBL.*;
five|f1                                                             
----+---------------------------------------------------------------
    |["-infinity" "infinity"]                                       
    |["Sat May 10 23:59:12 1947 PST" "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"]                     
(5 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                                                             
-----+---------------------------------------------------------------
     |["Sat May 10 23:59:12 1947 PST" "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                                                             
-----+---------------------------------------------------------------
     |["Sat May 10 23:59:12 1947 PST" "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                                                             
-----+---------------------------------------------------------------
     |["Sat May 10 23:59:12 1947 PST" "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: SET geqo TO 'off';
QUERY: SELECT '' AS five, t1.f1, t2.f1
   FROM TINTERVAL_TBL t1, TINTERVAL_TBL t2
   WHERE t1.f1 && t2.f1 and
         t1.f1 = t2.f1
   ORDER BY t1.f1, t2.f1;
five|f1                                                             |f1                                                             
----+---------------------------------------------------------------+---------------------------------------------------------------
    |["-infinity" "infinity"]                                       |["-infinity" "infinity"]                                       
    |["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"]
    |["Thu Feb 15 12:15:03 1990 PST" "current"]                     |["Thu Feb 15 12:15:03 1990 PST" "current"]                     
    |["epoch" "Mon May 01 00:30:30 1995 PDT"]                       |["epoch" "Mon May 01 00:30:30 1995 PDT"]                       
    |["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]|["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]
(5 rows)

QUERY: SELECT '' AS fourteen, t1.f1 AS interval1, t2.f1 AS interval2
   FROM TINTERVAL_TBL t1, TINTERVAL_TBL t2
   WHERE t1.f1 && t2.f1 and not t1.f1 = t2.f1
   ORDER BY interval1, interval2;
fourteen|interval1                                                      |interval2                                                      
--------+---------------------------------------------------------------+---------------------------------------------------------------
        |["-infinity" "infinity"]                                       |["Sun Sep 04 23:59:12 1983 PDT" "Tue Oct 04 23:59:12 1983 PDT"]
        |["-infinity" "infinity"]                                       |["Thu Feb 15 12:15:03 1990 PST" "current"]                     
        |["-infinity" "infinity"]                                       |["epoch" "Mon May 01 00:30:30 1995 PDT"]                       
        |["-infinity" "infinity"]                                       |["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]
        |["Sun Sep 04 23:59:12 1983 PDT" "Tue Oct 04 23:59:12 1983 PDT"]|["-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"]                       
        |["Thu Feb 15 12:15:03 1990 PST" "current"]                     |["-infinity" "infinity"]                                       
        |["Thu Feb 15 12:15:03 1990 PST" "current"]                     |["epoch" "Mon May 01 00:30:30 1995 PDT"]                       
        |["epoch" "Mon May 01 00:30:30 1995 PDT"]                       |["-infinity" "infinity"]                                       
        |["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"]                       |["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]
        |["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]|["-infinity" "infinity"]                                       
        |["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]|["epoch" "Mon May 01 00:30:30 1995 PDT"]                       
(14 rows)

QUERY: SELECT '' AS five, t1.f1
   FROM TINTERVAL_TBL t1
   WHERE not t1.f1 <<
        '["Aug 15 14:23:19 1980" "Sep 16 14:23:19 1990"]'::tinterval
   ORDER BY t1.f1;
five|f1                                                             
----+---------------------------------------------------------------
    |["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"]                     
    |["Sat May 10 23:59:12 1947 PST" "Sun Jan 14 03:14:21 1973 PST"]
(3 rows)

QUERY: SELECT '' AS three, t1.f1
   FROM TINTERVAL_TBL t1
   WHERE t1.f1 &&
        ('Aug 15 14:23:19 1983'::abstime <#>
         'Sep 16 14:23:19 1983'::abstime)
   ORDER BY t1.f1;
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: RESET geqo;