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77 lines
1.7 KiB
Plaintext
77 lines
1.7 KiB
Plaintext
--
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-- TIME
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--
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CREATE TABLE TIME_TBL (f1 time(2));
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INSERT INTO TIME_TBL VALUES ('00:00');
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INSERT INTO TIME_TBL VALUES ('01:00');
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INSERT INTO TIME_TBL VALUES ('02:03');
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INSERT INTO TIME_TBL VALUES ('07:07 PST');
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ERROR: Bad time external representation '07:07 PST'
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INSERT INTO TIME_TBL VALUES ('08:08 EDT');
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ERROR: Bad time external representation '08:08 EDT'
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INSERT INTO TIME_TBL VALUES ('11:59');
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INSERT INTO TIME_TBL VALUES ('12:00');
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INSERT INTO TIME_TBL VALUES ('12:01');
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INSERT INTO TIME_TBL VALUES ('23:59');
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INSERT INTO TIME_TBL VALUES ('11:59:59.99 PM');
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SELECT f1 AS "Time" FROM TIME_TBL;
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Time
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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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23:59:59.99
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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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23:59:59.99
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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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23:59:59.99
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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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-- 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 without time zone' and 'time without time zone'
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You will have to retype this query using an explicit cast
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