QUERY: CREATE TABLE ABSTIME_TBL (f1 abstime);
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('Jan 14, 1973 03:14:21');
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('Mon May  1 00:30:30 1995'::abstime);
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('epoch'::abstime);
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('current'::abstime);
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('infinity'::abstime);
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('-infinity'::abstime);
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('May 10, 1943 23:59:12');
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('Feb 35, 1946 10:00:00');
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('Feb 28, 1984 25:08:10');
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('bad date format');
QUERY: INSERT INTO ABSTIME_TBL (f1) VALUES ('Jun 10, 1843');

QUERY: SELECT '' AS eleven, ABSTIME_TBL.*;
eleven|f1                          
------+----------------------------
      |Sun Jan 14 03:14:21 1973 PST
      |Mon May 01 00:30:30 1995 PDT
      |epoch                       
      |current                     
      |infinity                    
      |-infinity                   
      |Mon May 10 23:59:12 1943 PWT
      |Thu Mar 07 10:00:00 1946 PST
      |Wed Dec 31 15:59:59 1969 PST
      |Invalid Abstime             
      |Invalid Abstime             
(11 rows)

QUERY: SELECT '' AS eight, ABSTIME_TBL.*
   WHERE ABSTIME_TBL.f1 < 'Jun 30, 2001'::abstime;
eight|f1                          
-----+----------------------------
     |Sun Jan 14 03:14:21 1973 PST
     |Mon May 01 00:30:30 1995 PDT
     |epoch                       
     |current                     
     |-infinity                   
     |Mon May 10 23:59:12 1943 PWT
     |Thu Mar 07 10:00:00 1946 PST
     |Wed Dec 31 15:59:59 1969 PST
(8 rows)

QUERY: SELECT '' AS eight, ABSTIME_TBL.*
   WHERE ABSTIME_TBL.f1 > '-infinity'::abstime;
eight|f1                          
-----+----------------------------
     |Sun Jan 14 03:14:21 1973 PST
     |Mon May 01 00:30:30 1995 PDT
     |epoch                       
     |current                     
     |infinity                    
     |Mon May 10 23:59:12 1943 PWT
     |Thu Mar 07 10:00:00 1946 PST
     |Wed Dec 31 15:59:59 1969 PST
(8 rows)

QUERY: SELECT '' AS eight, ABSTIME_TBL.*
   WHERE 'May 10, 1943 23:59:12'::abstime <> ABSTIME_TBL.f1;
eight|f1                          
-----+----------------------------
     |Sun Jan 14 03:14:21 1973 PST
     |Mon May 01 00:30:30 1995 PDT
     |epoch                       
     |current                     
     |infinity                    
     |-infinity                   
     |Thu Mar 07 10:00:00 1946 PST
     |Wed Dec 31 15:59:59 1969 PST
(8 rows)

QUERY: SELECT '' AS one, ABSTIME_TBL.*
   WHERE 'current'::abstime = ABSTIME_TBL.f1;
one|f1     
---+-------
   |current
(1 row)

QUERY: SELECT '' AS five, ABSTIME_TBL.*
   WHERE 'epoch'::abstime >= ABSTIME_TBL.f1;
five|f1                          
----+----------------------------
    |epoch                       
    |-infinity                   
    |Mon May 10 23:59:12 1943 PWT
    |Thu Mar 07 10:00:00 1946 PST
    |Wed Dec 31 15:59:59 1969 PST
(5 rows)

QUERY: SELECT '' AS six, ABSTIME_TBL.*
   WHERE ABSTIME_TBL.f1 <= 'Jan 14, 1973 03:14:21'::abstime;
six|f1                          
---+----------------------------
   |Sun Jan 14 03:14:21 1973 PST
   |epoch                       
   |-infinity                   
   |Mon May 10 23:59:12 1943 PWT
   |Thu Mar 07 10:00:00 1946 PST
   |Wed Dec 31 15:59:59 1969 PST
(6 rows)

QUERY: SELECT '' AS six, ABSTIME_TBL.*
  WHERE ABSTIME_TBL.f1 <?>
	'["Apr 1 1945 00:00:00" "Dec 30 1999 23:00:00"]'::tinterval;
six|f1                          
---+----------------------------
   |Sun Jan 14 03:14:21 1973 PST
   |Mon May 01 00:30:30 1995 PDT
   |epoch                       
   |current                     
   |Thu Mar 07 10:00:00 1946 PST
   |Wed Dec 31 15:59:59 1969 PST
(6 rows)

QUERY: SELECT '' AS five, ABSTIME_TBL.*
  WHERE  (ABSTIME_TBL.f1 + '@ 3 year'::reltime)
	< 'Jan 14 14:00:00 1977'::abstime;
five|f1                          
----+----------------------------
    |Sun Jan 14 03:14:21 1973 PST
    |epoch                       
    |Mon May 10 23:59:12 1943 PWT
    |Thu Mar 07 10:00:00 1946 PST
    |Wed Dec 31 15:59:59 1969 PST
(5 rows)

QUERY: SELECT '' AS five, ABSTIME_TBL.*
   WHERE  (ABSTIME_TBL.f1 + '@ 3 year ago'::reltime)
	< 'Jan 14 14:00:00 1971'::abstime;
five|f1                          
----+----------------------------
    |Sun Jan 14 03:14:21 1973 PST
    |epoch                       
    |Mon May 10 23:59:12 1943 PWT
    |Thu Mar 07 10:00:00 1946 PST
    |Wed Dec 31 15:59:59 1969 PST
(5 rows)

QUERY: SELECT '' AS five, ABSTIME_TBL.*
   WHERE  (ABSTIME_TBL.f1 - '@ 3 year'::reltime)	
	< 'Jan 14 14:00:00 1971'::abstime;
five|f1                          
----+----------------------------
    |Sun Jan 14 03:14:21 1973 PST
    |epoch                       
    |Mon May 10 23:59:12 1943 PWT
    |Thu Mar 07 10:00:00 1946 PST
    |Wed Dec 31 15:59:59 1969 PST
(5 rows)

QUERY: SELECT '' AS five, ABSTIME_TBL.*
   WHERE  (ABSTIME_TBL.f1 - '@ 3 year ago'::reltime)	
	< 'Jan 14 14:00:00 1977'::abstime;
five|f1                          
----+----------------------------
    |Sun Jan 14 03:14:21 1973 PST
    |epoch                       
    |Mon May 10 23:59:12 1943 PWT
    |Thu Mar 07 10:00:00 1946 PST
    |Wed Dec 31 15:59:59 1969 PST
(5 rows)

QUERY: SELECT '' AS twenty, ABSTIME_TBL.*, RELTIME_TBL.*
   WHERE (ABSTIME_TBL.f1 + RELTIME_TBL.f1)
	< 'Jan 14 14:00:00 1971'::abstime;
twenty|f1                          |f1              
------+----------------------------+----------------
      |epoch                       |@ 1 minute      
      |Mon May 10 23:59:12 1943 PWT|@ 1 minute      
      |Thu Mar 07 10:00:00 1946 PST|@ 1 minute      
      |Wed Dec 31 15:59:59 1969 PST|@ 1 minute      
      |epoch                       |@ 5 hours       
      |Mon May 10 23:59:12 1943 PWT|@ 5 hours       
      |Thu Mar 07 10:00:00 1946 PST|@ 5 hours       
      |Wed Dec 31 15:59:59 1969 PST|@ 5 hours       
      |epoch                       |@ 10 days       
      |Mon May 10 23:59:12 1943 PWT|@ 10 days       
      |Thu Mar 07 10:00:00 1946 PST|@ 10 days       
      |Wed Dec 31 15:59:59 1969 PST|@ 10 days       
      |epoch                       |@ 3 months      
      |Mon May 10 23:59:12 1943 PWT|@ 3 months      
      |Thu Mar 07 10:00:00 1946 PST|@ 3 months      
      |Wed Dec 31 15:59:59 1969 PST|@ 3 months      
      |epoch                       |@ 14 seconds ago
      |Mon May 10 23:59:12 1943 PWT|@ 14 seconds ago
      |Thu Mar 07 10:00:00 1946 PST|@ 14 seconds ago
      |Wed Dec 31 15:59:59 1969 PST|@ 14 seconds ago
(20 rows)