PostgreSQL7.4.6 for Linux

源代码在线查看: time.sql

软件大小: 12280 K
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关键词: PostgreSQL Linux for
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相关代码

				--				-- TIME				--								CREATE TABLE TIME_TBL (f1 time(2));								INSERT INTO TIME_TBL VALUES ('00:00');				INSERT INTO TIME_TBL VALUES ('01:00');				-- as of 7.4, timezone spec should be accepted and ignored				INSERT INTO TIME_TBL VALUES ('02:03 PST');				INSERT INTO TIME_TBL VALUES ('11:59 EDT');				INSERT INTO TIME_TBL VALUES ('12:00');				INSERT INTO TIME_TBL VALUES ('12:01');				INSERT INTO TIME_TBL VALUES ('23:59');				INSERT INTO TIME_TBL VALUES ('11:59:59.99 PM');								SELECT f1 AS "Time" FROM TIME_TBL;								SELECT f1 AS "Three" FROM TIME_TBL WHERE f1 < '05:06:07';								SELECT f1 AS "Five" FROM TIME_TBL WHERE f1 > '05:06:07';								SELECT f1 AS "None" FROM TIME_TBL WHERE f1 < '00:00';								SELECT f1 AS "Eight" FROM TIME_TBL WHERE f1 >= '00:00';								--				-- 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 '00:01' AS "Illegal" FROM TIME_TBL;							

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