1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/regress/sql/date.sql b/src/test/regress/sql/date.sql
new file mode 100644
index 0000000000..9e98041ce8
--- /dev/null
+++ b/src/test/regress/sql/date.sql
@@ -0,0 +1,50 @@
+--
+-- DATE
+--
+
+CREATE TABLE DATE_TBL (f1 date);
+
+INSERT INTO DATE_TBL VALUES ('1957-04-09');
+INSERT INTO DATE_TBL VALUES ('1957-06-13');
+INSERT INTO DATE_TBL VALUES ('1996-02-28');
+INSERT INTO DATE_TBL VALUES ('1996-02-29');
+INSERT INTO DATE_TBL VALUES ('1996-03-01');
+INSERT INTO DATE_TBL VALUES ('1996-03-02');
+INSERT INTO DATE_TBL VALUES ('1997-02-28');
+INSERT INTO DATE_TBL VALUES ('1997-02-29');
+INSERT INTO DATE_TBL VALUES ('1997-03-01');
+INSERT INTO DATE_TBL VALUES ('1997-03-02');
+INSERT INTO DATE_TBL VALUES ('2000-04-01');
+INSERT INTO DATE_TBL VALUES ('2000-04-02');
+INSERT INTO DATE_TBL VALUES ('2000-04-03');
+INSERT INTO DATE_TBL VALUES ('2038-04-08');
+INSERT INTO DATE_TBL VALUES ('2039-04-09');
+INSERT INTO DATE_TBL VALUES ('2040-04-10');
+
+SELECT f1 AS "Fifteen" FROM DATE_TBL;
+
+SELECT f1 AS "Nine" FROM DATE_TBL WHERE f1 < '2000-01-01';
+
+SELECT f1 AS "Three" FROM DATE_TBL
+  WHERE f1 BETWEEN '2000-01-01' AND '2001-01-01';
+
+--
+-- Simple math
+-- Leave most of it for the horology tests
+--
+
+SELECT f1 - date '2000-01-01' AS "Days From 2K" FROM DATE_TBL;
+
+SELECT f1 - date 'epoch' AS "Days From Epoch" FROM DATE_TBL;
+
+SELECT date 'yesterday' - date 'today' AS "One day";
+
+SELECT date 'today' - date 'tomorrow' AS "One day";
+
+SELECT date 'yesterday' - date 'tomorrow' AS "Two days";
+
+SELECT date 'tomorrow' - date 'today' AS "One day";
+
+SELECT date 'today' - date 'yesterday' AS "One day";
+
+SELECT date 'tomorrow' - date 'yesterday' AS "Two days";