Merge pull request #11788 from ydb-platform/mergelibs-241120-1113

Library import 241120-1113

1 files changed, 1497 insertions, 0 deletions

diff --git a/yql/essentials/tests/postgresql/original/cases/date.out b/yql/essentials/tests/postgresql/original/cases/date.out
new file mode 100644
index 0000000000..c8b0566ff4
--- /dev/null
+++ b/yql/essentials/tests/postgresql/original/cases/date.out
@@ -0,0 +1,1497 @@
+--
+-- 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');
+ERROR:  date/time field value out of range: "1997-02-29"
+LINE 1: 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');
+INSERT INTO DATE_TBL VALUES ('2040-04-10 BC');
+SELECT f1 FROM DATE_TBL;
+      f1       
+---------------
+ 04-09-1957
+ 06-13-1957
+ 02-28-1996
+ 02-29-1996
+ 03-01-1996
+ 03-02-1996
+ 02-28-1997
+ 03-01-1997
+ 03-02-1997
+ 04-01-2000
+ 04-02-2000
+ 04-03-2000
+ 04-08-2038
+ 04-09-2039
+ 04-10-2040
+ 04-10-2040 BC
+(16 rows)
+
+SELECT f1 FROM DATE_TBL WHERE f1 < '2000-01-01';
+      f1       
+---------------
+ 04-09-1957
+ 06-13-1957
+ 02-28-1996
+ 02-29-1996
+ 03-01-1996
+ 03-02-1996
+ 02-28-1997
+ 03-01-1997
+ 03-02-1997
+ 04-10-2040 BC
+(10 rows)
+
+SELECT f1 FROM DATE_TBL
+  WHERE f1 BETWEEN '2000-01-01' AND '2001-01-01';
+     f1     
+------------
+ 04-01-2000
+ 04-02-2000
+ 04-03-2000
+(3 rows)
+
+--
+-- Check all the documented input formats
+--
+SET datestyle TO iso;  -- display results in ISO
+SET datestyle TO ymd;
+SELECT date 'January 8, 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-18';
+    date    
+------------
+ 1999-01-18
+(1 row)
+
+SELECT date '1/8/1999';
+ERROR:  date/time field value out of range: "1/8/1999"
+LINE 1: SELECT date '1/8/1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1/18/1999';
+ERROR:  date/time field value out of range: "1/18/1999"
+LINE 1: SELECT date '1/18/1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '18/1/1999';
+ERROR:  date/time field value out of range: "18/1/1999"
+LINE 1: SELECT date '18/1/1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '01/02/03';
+    date    
+------------
+ 2001-02-03
+(1 row)
+
+SELECT date '19990108';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '990108';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999.008';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'J2451187';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'January 8, 99 BC';
+ERROR:  date/time field value out of range: "January 8, 99 BC"
+LINE 1: SELECT date 'January 8, 99 BC';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '99-Jan-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-Jan-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-Jan-99';
+ERROR:  date/time field value out of range: "08-Jan-99"
+LINE 1: SELECT date '08-Jan-99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '08-Jan-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan-08-99';
+ERROR:  date/time field value out of range: "Jan-08-99"
+LINE 1: SELECT date 'Jan-08-99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date 'Jan-08-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-08-Jan';
+ERROR:  invalid input syntax for type date: "99-08-Jan"
+LINE 1: SELECT date '99-08-Jan';
+                    ^
+SELECT date '1999-08-Jan';
+ERROR:  invalid input syntax for type date: "1999-08-Jan"
+LINE 1: SELECT date '1999-08-Jan';
+                    ^
+SELECT date '99 Jan 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999 Jan 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 Jan 99';
+ERROR:  date/time field value out of range: "08 Jan 99"
+LINE 1: SELECT date '08 Jan 99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '08 Jan 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan 08 99';
+ERROR:  date/time field value out of range: "Jan 08 99"
+LINE 1: SELECT date 'Jan 08 99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date 'Jan 08 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99 08 Jan';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999 08 Jan';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-01-99';
+ERROR:  date/time field value out of range: "08-01-99"
+LINE 1: SELECT date '08-01-99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '08-01-1999';
+ERROR:  date/time field value out of range: "08-01-1999"
+LINE 1: SELECT date '08-01-1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '01-08-99';
+ERROR:  date/time field value out of range: "01-08-99"
+LINE 1: SELECT date '01-08-99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '01-08-1999';
+ERROR:  date/time field value out of range: "01-08-1999"
+LINE 1: SELECT date '01-08-1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '99-08-01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '1999-08-01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '99 01 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999 01 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 01 99';
+ERROR:  date/time field value out of range: "08 01 99"
+LINE 1: SELECT date '08 01 99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '08 01 1999';
+ERROR:  date/time field value out of range: "08 01 1999"
+LINE 1: SELECT date '08 01 1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '01 08 99';
+ERROR:  date/time field value out of range: "01 08 99"
+LINE 1: SELECT date '01 08 99';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '01 08 1999';
+ERROR:  date/time field value out of range: "01 08 1999"
+LINE 1: SELECT date '01 08 1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '99 08 01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '1999 08 01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SET datestyle TO dmy;
+SELECT date 'January 8, 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-18';
+    date    
+------------
+ 1999-01-18
+(1 row)
+
+SELECT date '1/8/1999';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '1/18/1999';
+ERROR:  date/time field value out of range: "1/18/1999"
+LINE 1: SELECT date '1/18/1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '18/1/1999';
+    date    
+------------
+ 1999-01-18
+(1 row)
+
+SELECT date '01/02/03';
+    date    
+------------
+ 2003-02-01
+(1 row)
+
+SELECT date '19990108';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '990108';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999.008';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'J2451187';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'January 8, 99 BC';
+     date      
+---------------
+ 0099-01-08 BC
+(1 row)
+
+SELECT date '99-Jan-08';
+ERROR:  date/time field value out of range: "99-Jan-08"
+LINE 1: SELECT date '99-Jan-08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999-Jan-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-Jan-99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-Jan-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan-08-99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan-08-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-08-Jan';
+ERROR:  invalid input syntax for type date: "99-08-Jan"
+LINE 1: SELECT date '99-08-Jan';
+                    ^
+SELECT date '1999-08-Jan';
+ERROR:  invalid input syntax for type date: "1999-08-Jan"
+LINE 1: SELECT date '1999-08-Jan';
+                    ^
+SELECT date '99 Jan 08';
+ERROR:  date/time field value out of range: "99 Jan 08"
+LINE 1: SELECT date '99 Jan 08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999 Jan 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 Jan 99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 Jan 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan 08 99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan 08 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99 08 Jan';
+ERROR:  invalid input syntax for type date: "99 08 Jan"
+LINE 1: SELECT date '99 08 Jan';
+                    ^
+SELECT date '1999 08 Jan';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-01-08';
+ERROR:  date/time field value out of range: "99-01-08"
+LINE 1: SELECT date '99-01-08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-01-99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-01-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '01-08-99';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '01-08-1999';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '99-08-01';
+ERROR:  date/time field value out of range: "99-08-01"
+LINE 1: SELECT date '99-08-01';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999-08-01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '99 01 08';
+ERROR:  date/time field value out of range: "99 01 08"
+LINE 1: SELECT date '99 01 08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999 01 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 01 99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 01 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '01 08 99';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '01 08 1999';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '99 08 01';
+ERROR:  date/time field value out of range: "99 08 01"
+LINE 1: SELECT date '99 08 01';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999 08 01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SET datestyle TO mdy;
+SELECT date 'January 8, 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999-01-18';
+    date    
+------------
+ 1999-01-18
+(1 row)
+
+SELECT date '1/8/1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1/18/1999';
+    date    
+------------
+ 1999-01-18
+(1 row)
+
+SELECT date '18/1/1999';
+ERROR:  date/time field value out of range: "18/1/1999"
+LINE 1: SELECT date '18/1/1999';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '01/02/03';
+    date    
+------------
+ 2003-01-02
+(1 row)
+
+SELECT date '19990108';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '990108';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '1999.008';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'J2451187';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'January 8, 99 BC';
+     date      
+---------------
+ 0099-01-08 BC
+(1 row)
+
+SELECT date '99-Jan-08';
+ERROR:  date/time field value out of range: "99-Jan-08"
+LINE 1: SELECT date '99-Jan-08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999-Jan-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-Jan-99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-Jan-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan-08-99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan-08-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-08-Jan';
+ERROR:  invalid input syntax for type date: "99-08-Jan"
+LINE 1: SELECT date '99-08-Jan';
+                    ^
+SELECT date '1999-08-Jan';
+ERROR:  invalid input syntax for type date: "1999-08-Jan"
+LINE 1: SELECT date '1999-08-Jan';
+                    ^
+SELECT date '99 Jan 08';
+ERROR:  invalid input syntax for type date: "99 Jan 08"
+LINE 1: SELECT date '99 Jan 08';
+                    ^
+SELECT date '1999 Jan 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 Jan 99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 Jan 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan 08 99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date 'Jan 08 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99 08 Jan';
+ERROR:  invalid input syntax for type date: "99 08 Jan"
+LINE 1: SELECT date '99 08 Jan';
+                    ^
+SELECT date '1999 08 Jan';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-01-08';
+ERROR:  date/time field value out of range: "99-01-08"
+LINE 1: SELECT date '99-01-08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999-01-08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08-01-99';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '08-01-1999';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '01-08-99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '01-08-1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99-08-01';
+ERROR:  date/time field value out of range: "99-08-01"
+LINE 1: SELECT date '99-08-01';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999-08-01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '99 01 08';
+ERROR:  date/time field value out of range: "99 01 08"
+LINE 1: SELECT date '99 01 08';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999 01 08';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '08 01 99';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '08 01 1999';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+SELECT date '01 08 99';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '01 08 1999';
+    date    
+------------
+ 1999-01-08
+(1 row)
+
+SELECT date '99 08 01';
+ERROR:  date/time field value out of range: "99 08 01"
+LINE 1: SELECT date '99 08 01';
+                    ^
+HINT:  Perhaps you need a different "datestyle" setting.
+SELECT date '1999 08 01';
+    date    
+------------
+ 1999-08-01
+(1 row)
+
+-- Check upper and lower limits of date range
+SELECT date '4714-11-24 BC';
+     date      
+---------------
+ 4714-11-24 BC
+(1 row)
+
+SELECT date '4714-11-23 BC';  -- out of range
+ERROR:  date out of range: "4714-11-23 BC"
+LINE 1: SELECT date '4714-11-23 BC';
+                    ^
+SELECT date '5874897-12-31';
+     date      
+---------------
+ 5874897-12-31
+(1 row)
+
+SELECT date '5874898-01-01';  -- out of range
+ERROR:  date out of range: "5874898-01-01"
+LINE 1: SELECT date '5874898-01-01';
+                    ^
+RESET datestyle;
+--
+-- Simple math
+-- Leave most of it for the horology tests
+--
+SELECT f1 - date '2000-01-01' AS "Days From 2K" FROM DATE_TBL;
+ Days From 2K 
+--------------
+       -15607
+       -15542
+        -1403
+        -1402
+        -1401
+        -1400
+        -1037
+        -1036
+        -1035
+           91
+           92
+           93
+        13977
+        14343
+        14710
+     -1475115
+(16 rows)
+
+SELECT f1 - date 'epoch' AS "Days From Epoch" FROM DATE_TBL;
+ Days From Epoch 
+-----------------
+           -4650
+           -4585
+            9554
+            9555
+            9556
+            9557
+            9920
+            9921
+            9922
+           11048
+           11049
+           11050
+           24934
+           25300
+           25667
+        -1464158
+(16 rows)
+
+SELECT date 'yesterday' - date 'today' AS "One day";
+ One day 
+---------
+      -1
+(1 row)
+
+SELECT date 'today' - date 'tomorrow' AS "One day";
+ One day 
+---------
+      -1
+(1 row)
+
+SELECT date 'yesterday' - date 'tomorrow' AS "Two days";
+ Two days 
+----------
+       -2
+(1 row)
+
+SELECT date 'tomorrow' - date 'today' AS "One day";
+ One day 
+---------
+       1
+(1 row)
+
+SELECT date 'today' - date 'yesterday' AS "One day";
+ One day 
+---------
+       1
+(1 row)
+
+SELECT date 'tomorrow' - date 'yesterday' AS "Two days";
+ Two days 
+----------
+        2
+(1 row)
+
+--
+-- test extract!
+--
+SELECT f1 as "date",
+    date_part('year', f1) AS year,
+    date_part('month', f1) AS month,
+    date_part('day', f1) AS day,
+    date_part('quarter', f1) AS quarter,
+    date_part('decade', f1) AS decade,
+    date_part('century', f1) AS century,
+    date_part('millennium', f1) AS millennium,
+    date_part('isoyear', f1) AS isoyear,
+    date_part('week', f1) AS week,
+    date_part('dow', f1) AS dow,
+    date_part('isodow', f1) AS isodow,
+    date_part('doy', f1) AS doy,
+    date_part('julian', f1) AS julian,
+    date_part('epoch', f1) AS epoch
+    FROM date_tbl;
+     date      | year  | month | day | quarter | decade | century | millennium | isoyear | week | dow | isodow | doy | julian  |     epoch     
+---------------+-------+-------+-----+---------+--------+---------+------------+---------+------+-----+--------+-----+---------+---------------
+ 04-09-1957    |  1957 |     4 |   9 |       2 |    195 |      20 |          2 |    1957 |   15 |   2 |      2 |  99 | 2435938 |    -401760000
+ 06-13-1957    |  1957 |     6 |  13 |       2 |    195 |      20 |          2 |    1957 |   24 |   4 |      4 | 164 | 2436003 |    -396144000
+ 02-28-1996    |  1996 |     2 |  28 |       1 |    199 |      20 |          2 |    1996 |    9 |   3 |      3 |  59 | 2450142 |     825465600
+ 02-29-1996    |  1996 |     2 |  29 |       1 |    199 |      20 |          2 |    1996 |    9 |   4 |      4 |  60 | 2450143 |     825552000
+ 03-01-1996    |  1996 |     3 |   1 |       1 |    199 |      20 |          2 |    1996 |    9 |   5 |      5 |  61 | 2450144 |     825638400
+ 03-02-1996    |  1996 |     3 |   2 |       1 |    199 |      20 |          2 |    1996 |    9 |   6 |      6 |  62 | 2450145 |     825724800
+ 02-28-1997    |  1997 |     2 |  28 |       1 |    199 |      20 |          2 |    1997 |    9 |   5 |      5 |  59 | 2450508 |     857088000
+ 03-01-1997    |  1997 |     3 |   1 |       1 |    199 |      20 |          2 |    1997 |    9 |   6 |      6 |  60 | 2450509 |     857174400
+ 03-02-1997    |  1997 |     3 |   2 |       1 |    199 |      20 |          2 |    1997 |    9 |   0 |      7 |  61 | 2450510 |     857260800
+ 04-01-2000    |  2000 |     4 |   1 |       2 |    200 |      20 |          2 |    2000 |   13 |   6 |      6 |  92 | 2451636 |     954547200
+ 04-02-2000    |  2000 |     4 |   2 |       2 |    200 |      20 |          2 |    2000 |   13 |   0 |      7 |  93 | 2451637 |     954633600
+ 04-03-2000    |  2000 |     4 |   3 |       2 |    200 |      20 |          2 |    2000 |   14 |   1 |      1 |  94 | 2451638 |     954720000
+ 04-08-2038    |  2038 |     4 |   8 |       2 |    203 |      21 |          3 |    2038 |   14 |   4 |      4 |  98 | 2465522 |    2154297600
+ 04-09-2039    |  2039 |     4 |   9 |       2 |    203 |      21 |          3 |    2039 |   14 |   6 |      6 |  99 | 2465888 |    2185920000
+ 04-10-2040    |  2040 |     4 |  10 |       2 |    204 |      21 |          3 |    2040 |   15 |   2 |      2 | 101 | 2466255 |    2217628800
+ 04-10-2040 BC | -2040 |     4 |  10 |       2 |   -204 |     -21 |         -3 |   -2040 |   15 |   1 |      1 | 100 |  976430 | -126503251200
+(16 rows)
+
+--
+-- epoch
+--
+SELECT EXTRACT(EPOCH FROM DATE        '1970-01-01');     --  0
+ extract 
+---------
+       0
+(1 row)
+
+--
+-- century
+--
+SELECT EXTRACT(CENTURY FROM DATE '0101-12-31 BC'); -- -2
+ extract 
+---------
+      -2
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '0100-12-31 BC'); -- -1
+ extract 
+---------
+      -1
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '0001-12-31 BC'); -- -1
+ extract 
+---------
+      -1
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '0001-01-01');    --  1
+ extract 
+---------
+       1
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '0001-01-01 AD'); --  1
+ extract 
+---------
+       1
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '1900-12-31');    -- 19
+ extract 
+---------
+      19
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '1901-01-01');    -- 20
+ extract 
+---------
+      20
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '2000-12-31');    -- 20
+ extract 
+---------
+      20
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM DATE '2001-01-01');    -- 21
+ extract 
+---------
+      21
+(1 row)
+
+SELECT EXTRACT(CENTURY FROM CURRENT_DATE)>=21 AS True;     -- true
+ true 
+------
+ t
+(1 row)
+
+--
+-- millennium
+--
+SELECT EXTRACT(MILLENNIUM FROM DATE '0001-12-31 BC'); -- -1
+ extract 
+---------
+      -1
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM FROM DATE '0001-01-01 AD'); --  1
+ extract 
+---------
+       1
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM FROM DATE '1000-12-31');    --  1
+ extract 
+---------
+       1
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM FROM DATE '1001-01-01');    --  2
+ extract 
+---------
+       2
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM FROM DATE '2000-12-31');    --  2
+ extract 
+---------
+       2
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM FROM DATE '2001-01-01');    --  3
+ extract 
+---------
+       3
+(1 row)
+
+-- next test to be fixed on the turn of the next millennium;-)
+SELECT EXTRACT(MILLENNIUM FROM CURRENT_DATE);         --  3
+ extract 
+---------
+       3
+(1 row)
+
+--
+-- decade
+--
+SELECT EXTRACT(DECADE FROM DATE '1994-12-25');    -- 199
+ extract 
+---------
+     199
+(1 row)
+
+SELECT EXTRACT(DECADE FROM DATE '0010-01-01');    --   1
+ extract 
+---------
+       1
+(1 row)
+
+SELECT EXTRACT(DECADE FROM DATE '0009-12-31');    --   0
+ extract 
+---------
+       0
+(1 row)
+
+SELECT EXTRACT(DECADE FROM DATE '0001-01-01 BC'); --   0
+ extract 
+---------
+       0
+(1 row)
+
+SELECT EXTRACT(DECADE FROM DATE '0002-12-31 BC'); --  -1
+ extract 
+---------
+      -1
+(1 row)
+
+SELECT EXTRACT(DECADE FROM DATE '0011-01-01 BC'); --  -1
+ extract 
+---------
+      -1
+(1 row)
+
+SELECT EXTRACT(DECADE FROM DATE '0012-12-31 BC'); --  -2
+ extract 
+---------
+      -2
+(1 row)
+
+--
+-- all possible fields
+--
+SELECT EXTRACT(MICROSECONDS  FROM DATE '2020-08-11');
+ERROR:  date units "microseconds" not supported
+SELECT EXTRACT(MILLISECONDS  FROM DATE '2020-08-11');
+ERROR:  date units "milliseconds" not supported
+SELECT EXTRACT(SECOND        FROM DATE '2020-08-11');
+ERROR:  date units "second" not supported
+SELECT EXTRACT(MINUTE        FROM DATE '2020-08-11');
+ERROR:  date units "minute" not supported
+SELECT EXTRACT(HOUR          FROM DATE '2020-08-11');
+ERROR:  date units "hour" not supported
+SELECT EXTRACT(DAY           FROM DATE '2020-08-11');
+ extract 
+---------
+      11
+(1 row)
+
+SELECT EXTRACT(MONTH         FROM DATE '2020-08-11');
+ extract 
+---------
+       8
+(1 row)
+
+SELECT EXTRACT(YEAR          FROM DATE '2020-08-11');
+ extract 
+---------
+    2020
+(1 row)
+
+SELECT EXTRACT(YEAR          FROM DATE '2020-08-11 BC');
+ extract 
+---------
+   -2020
+(1 row)
+
+SELECT EXTRACT(DECADE        FROM DATE '2020-08-11');
+ extract 
+---------
+     202
+(1 row)
+
+SELECT EXTRACT(CENTURY       FROM DATE '2020-08-11');
+ extract 
+---------
+      21
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM    FROM DATE '2020-08-11');
+ extract 
+---------
+       3
+(1 row)
+
+SELECT EXTRACT(ISOYEAR       FROM DATE '2020-08-11');
+ extract 
+---------
+    2020
+(1 row)
+
+SELECT EXTRACT(ISOYEAR       FROM DATE '2020-08-11 BC');
+ extract 
+---------
+   -2020
+(1 row)
+
+SELECT EXTRACT(QUARTER       FROM DATE '2020-08-11');
+ extract 
+---------
+       3
+(1 row)
+
+SELECT EXTRACT(WEEK          FROM DATE '2020-08-11');
+ extract 
+---------
+      33
+(1 row)
+
+SELECT EXTRACT(DOW           FROM DATE '2020-08-11');
+ extract 
+---------
+       2
+(1 row)
+
+SELECT EXTRACT(DOW           FROM DATE '2020-08-16');
+ extract 
+---------
+       0
+(1 row)
+
+SELECT EXTRACT(ISODOW        FROM DATE '2020-08-11');
+ extract 
+---------
+       2
+(1 row)
+
+SELECT EXTRACT(ISODOW        FROM DATE '2020-08-16');
+ extract 
+---------
+       7
+(1 row)
+
+SELECT EXTRACT(DOY           FROM DATE '2020-08-11');
+ extract 
+---------
+     224
+(1 row)
+
+SELECT EXTRACT(TIMEZONE      FROM DATE '2020-08-11');
+ERROR:  date units "timezone" not supported
+SELECT EXTRACT(TIMEZONE_M    FROM DATE '2020-08-11');
+ERROR:  date units "timezone_m" not supported
+SELECT EXTRACT(TIMEZONE_H    FROM DATE '2020-08-11');
+ERROR:  date units "timezone_h" not supported
+SELECT EXTRACT(EPOCH         FROM DATE '2020-08-11');
+  extract   
+------------
+ 1597104000
+(1 row)
+
+SELECT EXTRACT(JULIAN        FROM DATE '2020-08-11');
+ extract 
+---------
+ 2459073
+(1 row)
+
+--
+-- test trunc function!
+--
+SELECT DATE_TRUNC('MILLENNIUM', TIMESTAMP '1970-03-20 04:30:00.00000'); -- 1001
+        date_trunc        
+--------------------------
+ Thu Jan 01 00:00:00 1001
+(1 row)
+
+SELECT DATE_TRUNC('MILLENNIUM', DATE '1970-03-20'); -- 1001-01-01
+          date_trunc          
+------------------------------
+ Thu Jan 01 00:00:00 1001 PST
+(1 row)
+
+SELECT DATE_TRUNC('CENTURY', TIMESTAMP '1970-03-20 04:30:00.00000'); -- 1901
+        date_trunc        
+--------------------------
+ Tue Jan 01 00:00:00 1901
+(1 row)
+
+SELECT DATE_TRUNC('CENTURY', DATE '1970-03-20'); -- 1901
+          date_trunc          
+------------------------------
+ Tue Jan 01 00:00:00 1901 PST
+(1 row)
+
+SELECT DATE_TRUNC('CENTURY', DATE '2004-08-10'); -- 2001-01-01
+          date_trunc          
+------------------------------
+ Mon Jan 01 00:00:00 2001 PST
+(1 row)
+
+SELECT DATE_TRUNC('CENTURY', DATE '0002-02-04'); -- 0001-01-01
+          date_trunc          
+------------------------------
+ Mon Jan 01 00:00:00 0001 PST
+(1 row)
+
+SELECT DATE_TRUNC('CENTURY', DATE '0055-08-10 BC'); -- 0100-01-01 BC
+           date_trunc            
+---------------------------------
+ Tue Jan 01 00:00:00 0100 PST BC
+(1 row)
+
+SELECT DATE_TRUNC('DECADE', DATE '1993-12-25'); -- 1990-01-01
+          date_trunc          
+------------------------------
+ Mon Jan 01 00:00:00 1990 PST
+(1 row)
+
+SELECT DATE_TRUNC('DECADE', DATE '0004-12-25'); -- 0001-01-01 BC
+           date_trunc            
+---------------------------------
+ Sat Jan 01 00:00:00 0001 PST BC
+(1 row)
+
+SELECT DATE_TRUNC('DECADE', DATE '0002-12-31 BC'); -- 0011-01-01 BC
+           date_trunc            
+---------------------------------
+ Mon Jan 01 00:00:00 0011 PST BC
+(1 row)
+
+--
+-- test infinity
+--
+select 'infinity'::date, '-infinity'::date;
+   date   |   date    
+----------+-----------
+ infinity | -infinity
+(1 row)
+
+select 'infinity'::date > 'today'::date as t;
+ t 
+---
+ t
+(1 row)
+
+select '-infinity'::date < 'today'::date as t;
+ t 
+---
+ t
+(1 row)
+
+select isfinite('infinity'::date), isfinite('-infinity'::date), isfinite('today'::date);
+ isfinite | isfinite | isfinite 
+----------+----------+----------
+ f        | f        | t
+(1 row)
+
+--
+-- oscillating fields from non-finite date:
+--
+SELECT EXTRACT(DAY FROM DATE 'infinity');      -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(DAY FROM DATE '-infinity');     -- NULL
+ extract 
+---------
+        
+(1 row)
+
+-- all supported fields
+SELECT EXTRACT(DAY           FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(MONTH         FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(QUARTER       FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(WEEK          FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(DOW           FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(ISODOW        FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+SELECT EXTRACT(DOY           FROM DATE 'infinity');    -- NULL
+ extract 
+---------
+        
+(1 row)
+
+--
+-- monotonic fields from non-finite date:
+--
+SELECT EXTRACT(EPOCH FROM DATE 'infinity');         --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(EPOCH FROM DATE '-infinity');        -- -Infinity
+  extract  
+-----------
+ -Infinity
+(1 row)
+
+-- all supported fields
+SELECT EXTRACT(YEAR       FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(DECADE     FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(CENTURY    FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(MILLENNIUM FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(JULIAN     FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(ISOYEAR    FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+SELECT EXTRACT(EPOCH      FROM DATE 'infinity');    --  Infinity
+ extract  
+----------
+ Infinity
+(1 row)
+
+--
+-- wrong fields from non-finite date:
+--
+SELECT EXTRACT(MICROSEC  FROM DATE 'infinity');     -- error
+ERROR:  date units "microsec" not recognized
+-- test constructors
+select make_date(2013, 7, 15);
+ make_date  
+------------
+ 07-15-2013
+(1 row)
+
+select make_date(-44, 3, 15);
+   make_date   
+---------------
+ 03-15-0044 BC
+(1 row)
+
+select make_time(8, 20, 0.0);
+ make_time 
+-----------
+ 08:20:00
+(1 row)
+
+-- should fail
+select make_date(0, 7, 15);
+ERROR:  date field value out of range: 0-07-15
+select make_date(2013, 2, 30);
+ERROR:  date field value out of range: 2013-02-30
+select make_date(2013, 13, 1);
+ERROR:  date field value out of range: 2013-13-01
+select make_date(2013, 11, -1);
+ERROR:  date field value out of range: 2013-11--1
+select make_time(10, 55, 100.1);
+ERROR:  time field value out of range: 10:55:100.1
+select make_time(24, 0, 2.1);
+ERROR:  time field value out of range: 24:00:2.1