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Fix testing problem when 'current' equal to 'now' for separate inserts 

on fast machines with fast disks.
Adjust a few other tests to be more complete.
This commit is contained in:
Thomas G. Lockhart 1997-11-15 02:55:57 +00:00
parent 644b37c095
commit 2e0976e003
2 changed files with 41 additions and 12 deletions
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37
src/test/regress/expected/datetime.out
View File

@ -1,6 +1,35 @@
QUERY: SELECT ('today'::datetime = ('yesterday'::datetime + '1 day'::timespan)) as "True";
True
----
t
(1 row)
QUERY: SELECT ('today'::datetime = ('tomorrow'::datetime - '1 day'::timespan)) as "True";
True
----
t
(1 row)
QUERY: SELECT ('tomorrow'::datetime = ('yesterday'::datetime + '2 days'::timespan)) as "True";
True
----
t
(1 row)
QUERY: SELECT ('current'::datetime = 'now'::datetime) as "True";
True
----
t
(1 row)
QUERY: SELECT ('now'::datetime - 'current'::datetime) AS "ZeroSecs";
ZeroSecs
--------
@ 0
(1 row)
QUERY: CREATE TABLE DATETIME_TBL( d1 datetime);
QUERY: INSERT INTO DATETIME_TBL VALUES ('current');
QUERY: INSERT INTO DATETIME_TBL VALUES ('now');
QUERY: INSERT INTO DATETIME_TBL VALUES ('today');
QUERY: INSERT INTO DATETIME_TBL VALUES ('yesterday');
QUERY: INSERT INTO DATETIME_TBL VALUES ('tomorrow');
@ -36,12 +65,6 @@ one
1
(1 row)
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
---

16
src/test/regress/sql/datetime.sql
View File

@ -1,12 +1,18 @@
-- *** testing new built-in time types: datetime, timespan ***
-- Shorthand values
-- Not directly usable for regression testing since these are not constants.
-- So, just try to test parser and hope for the best - tgl 97/04/26
SELECT ('today'::datetime = ('yesterday'::datetime + '1 day'::timespan)) as "True";
SELECT ('today'::datetime = ('tomorrow'::datetime - '1 day'::timespan)) as "True";
SELECT ('tomorrow'::datetime = ('yesterday'::datetime + '2 days'::timespan)) as "True";
SELECT ('current'::datetime = 'now'::datetime) as "True";
SELECT ('now'::datetime - 'current'::datetime) AS "ZeroSecs";
CREATE TABLE DATETIME_TBL( d1 datetime);
-- Shorthand values
-- 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');
INSERT INTO DATETIME_TBL VALUES ('today');
INSERT INTO DATETIME_TBL VALUES ('yesterday');
INSERT INTO DATETIME_TBL VALUES ('tomorrow');
@ -19,8 +25,8 @@ 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