2000-09-12 07:42:20 +02:00
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--
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-- TIME
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--
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CREATE TABLE TIME_TBL (f1 time, f2 time with time zone);
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INSERT INTO TIME_TBL VALUES ('00:00', '00:00 PDT');
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INSERT INTO TIME_TBL VALUES ('01:00', '01:00 PDT');
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INSERT INTO TIME_TBL VALUES ('02:03', '02:03 PDT');
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INSERT INTO TIME_TBL VALUES ('11:59', '11:59 PDT');
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INSERT INTO TIME_TBL VALUES ('12:00', '12:00 PDT');
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INSERT INTO TIME_TBL VALUES ('12:01', '12:01 PDT');
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INSERT INTO TIME_TBL VALUES ('23:59', '23:59 PDT');
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INSERT INTO TIME_TBL VALUES ('11:59:59.99 PM', '11:59:59.99 PM PDT');
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SELECT f1 AS "Time", f2 AS "Time TZ" FROM TIME_TBL;
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Time | Time TZ
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----------+-------------
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00:00:00 | 00:00:00-07
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01:00:00 | 01:00:00-07
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02:03:00 | 02:03:00-07
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11:59:00 | 11:59:00-07
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12:00:00 | 12:00:00-07
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12:01:00 | 12:01:00-07
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23:59:00 | 23:59:00-07
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23:59:59 | 23:59:59-07
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(8 rows)
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SELECT f1 AS "Three" FROM TIME_TBL WHERE f1 < '05:06:07';
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Three
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----------
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00:00:00
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01:00:00
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02:03:00
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(3 rows)
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SELECT f1 AS "Five" FROM TIME_TBL WHERE f1 > '05:06:07';
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Five
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----------
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11:59:00
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12:00:00
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12:01:00
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23:59:00
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23:59:59
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(5 rows)
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SELECT f1 AS "None" FROM TIME_TBL WHERE f1 < '00:00';
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None
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------
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(0 rows)
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SELECT f1 AS "Eight" FROM TIME_TBL WHERE f1 >= '00:00';
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Eight
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----------
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00:00:00
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01:00:00
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02:03:00
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11:59:00
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12:00:00
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12:01:00
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23:59:00
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23:59:59
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(8 rows)
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--
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-- TIME simple math
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--
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2000-12-03 15:51:12 +01:00
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-- We now make a distinction between time and intervals,
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-- and adding two times together makes no sense at all.
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-- Leave in one query to show that it is rejected,
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-- and do the rest of the testing in horology.sql
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-- where we do mixed-type arithmetic. - thomas 2000-12-02
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SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
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ERROR: Unable to identify an operator '+' for types 'time' and 'time'
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You will have to retype this query using an explicit cast
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SELECT f2 + time with time zone '00:01' AS "Illegal" FROM TIME_TBL;
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2001-08-09 20:28:18 +02:00
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ERROR: Unable to identify an operator '+' for types 'time with time zone' and 'time with time zone'
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2000-12-03 15:51:12 +01:00
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You will have to retype this query using an explicit cast
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