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Test for "current" time by comparing against "now".

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This commit is contained in:
Thomas G. Lockhart 1997-09-01 06:16:08 +00:00
parent 98462b73f8
commit f2a9e203e8
2 changed files with 23 additions and 5 deletions
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19
src/test/regress/expected/datetime.out
View File

@ -36,15 +36,28 @@ one
1
(1 row)
QUERY: INSERT INTO DATETIME_TBL VALUES ('current');
QUERY: BEGIN;
QUERY: INSERT INTO DATETIME_TBL VALUES ('now');
QUERY: SELECT 'now'::datetime - 'current'::datetime AS ZeroSecs;
zerosecs
--------
@ 0
(1 row)
QUERY: SELECT count(*) AS one FROM DATETIME_TBL WHERE d1 = 'now'::datetime;
one
---
1
(1 row)
QUERY: DELETE FROM DATETIME_TBL;
QUERY: INSERT INTO DATETIME_TBL VALUES ('current');
QUERY: BEGIN;
QUERY: INSERT INTO DATETIME_TBL VALUES ('now');
QUERY: SELECT count(*) AS two FROM DATETIME_TBL WHERE d1 = 'now'::datetime;
two
---
2
(1 row)
QUERY: END;
QUERY: DELETE FROM DATETIME_TBL;
QUERY: INSERT INTO DATETIME_TBL VALUES ('invalid');

9
src/test/regress/sql/datetime.sql
View File

@ -3,7 +3,7 @@
CREATE TABLE DATETIME_TBL( d1 datetime);
-- Shorthand values
-- Not testable since these are not constant for regression testing.
-- Not directly testable since these are not constant for regression testing.
-- So, just try to test parser and hope for the best - tgl 97/04/26
INSERT INTO DATETIME_TBL VALUES ('current');
INSERT INTO DATETIME_TBL VALUES ('now');
@ -19,10 +19,15 @@ SELECT count(*) AS one FROM DATETIME_TBL WHERE d1 = 'yesterday'::datetime;
SELECT count(*) AS one FROM DATETIME_TBL WHERE d1 = 'today'::datetime + '1 day'::timespan;
SELECT count(*) AS one FROM DATETIME_TBL WHERE d1 = 'today'::datetime - '1 day'::timespan;
SELECT 'now'::datetime - 'current'::datetime AS ZeroSecs;
SELECT count(*) AS one FROM DATETIME_TBL WHERE d1 = 'now'::datetime;
DELETE FROM DATETIME_TBL;
-- verify uniform transaction time within transaction block
INSERT INTO DATETIME_TBL VALUES ('current');
BEGIN;
INSERT INTO DATETIME_TBL VALUES ('now');
SELECT count(*) AS one FROM DATETIME_TBL WHERE d1 = 'now'::datetime;
SELECT count(*) AS two FROM DATETIME_TBL WHERE d1 = 'now'::datetime;
END;
DELETE FROM DATETIME_TBL;