timetz.out

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

--
-- TIMETZ
--
CREATE TABLE TIMETZ_TBL (f1 time(2) with time zone);
INSERT INTO TIMETZ_TBL VALUES ('00:01 PDT');
INSERT INTO TIMETZ_TBL VALUES ('01:00 PDT');
INSERT INTO TIMETZ_TBL VALUES ('02:03 PDT');
INSERT INTO TIMETZ_TBL VALUES ('07:07 PST');
INSERT INTO TIMETZ_TBL VALUES ('08:08 EDT');
INSERT INTO TIMETZ_TBL VALUES ('11:59 PDT');
INSERT INTO TIMETZ_TBL VALUES ('12:00 PDT');
INSERT INTO TIMETZ_TBL VALUES ('12:01 PDT');
INSERT INTO TIMETZ_TBL VALUES ('23:59 PDT');
INSERT INTO TIMETZ_TBL VALUES ('11:59:59.99 PM PDT');
SELECT f1 AS "Time TZ" FROM TIMETZ_TBL;
    Time TZ     
----------------
 00:01:00-07
 01:00:00-07
 02:03:00-07
 07:07:00-08
 08:08:00-04
 11:59:00-07
 12:00:00-07
 12:01:00-07
 23:59:00-07
 23:59:59.99-07
(10 rows)

SELECT f1 AS "Three" FROM TIMETZ_TBL WHERE f1 < '05:06:07-07';
    Three    
-------------
 00:01:00-07
 01:00:00-07
 02:03:00-07
(3 rows)

SELECT f1 AS "Seven" FROM TIMETZ_TBL WHERE f1 > '05:06:07-07';
     Seven      
----------------
 07:07:00-08
 08:08:00-04
 11:59:00-07
 12:00:00-07
 12:01:00-07
 23:59:00-07
 23:59:59.99-07
(7 rows)

SELECT f1 AS "None" FROM TIMETZ_TBL WHERE f1 < '00:00-07';
 None 
------
(0 rows)

SELECT f1 AS "Ten" FROM TIMETZ_TBL WHERE f1 >= '00:00-07';
      Ten       
----------------
 00:01:00-07
 01:00:00-07
 02:03:00-07
 07:07:00-08
 08:08:00-04
 11:59:00-07
 12:00:00-07
 12:01:00-07
 23:59:00-07
 23:59:59.99-07
(10 rows)

--
-- TIME simple math
--
-- We now make a distinction between time and intervals,
-- and adding two times together makes no sense at all.
-- Leave in one query to show that it is rejected,
-- and do the rest of the testing in horology.sql
-- where we do mixed-type arithmetic. - thomas 2000-12-02
SELECT f1 + time with time zone '00:01' AS "Illegal" FROM TIMETZ_TBL;
ERROR:  operator does not exist: time with time zone + time with time zone
HINT:  No operator matches the given name and argument type(s). You may need to add explicit type casts.