From f2a9e203e8f665e4c397274b8dba0d7dd59d4d16 Mon Sep 17 00:00:00 2001
From: "Thomas G. Lockhart" <lockhart@fourpalms.org>
Date: Mon, 1 Sep 1997 06:16:08 +0000
Subject: [PATCH] Test for "current" time by comparing against "now".
---
src/test/regress/expected/datetime.out | 19 ++++++++++++++++---
src/test/regress/sql/datetime.sql | 9 +++++++--
2 files changed, 23 insertions(+), 5 deletions(-)
diff --git a/src/test/regress/expected/datetime.out b/src/test/regress/expected/datetime.out
index 0e59608ab42..c27e05c1d7a 100644
--- a/src/test/regress/expected/datetime.out
+++ b/src/test/regress/expected/datetime.out
@@ -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');
diff --git a/src/test/regress/sql/datetime.sql b/src/test/regress/sql/datetime.sql
index 5848c24d8cd..51d35421ef0 100644
--- a/src/test/regress/sql/datetime.sql
+++ b/src/test/regress/sql/datetime.sql
@@ -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;
--
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