Add test coverage for EXTRACT()
The variants for time and timetz had zero test coverage, the variant for interval only very little. This adds practically full coverage for those functions. Reviewed-by: Vik Fearing <vik@postgresfriends.org> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://www.postgresql.org/message-id/flat/c3306ac7-fcae-a1b8-1e30-6a379d605bcb%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
parent
cc072641d4
commit
378badc8eb
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@ -1111,31 +1111,6 @@ SELECT EXTRACT(CENTURY FROM TIMESTAMP '1970-03-20 04:30:00.00000'); -- 20
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20
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(1 row)
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-- on an interval
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SELECT EXTRACT(CENTURY FROM INTERVAL '100 y'); -- 1
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date_part
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-----------
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1
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '99 y'); -- 0
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date_part
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-----------
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0
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y'); -- 0
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date_part
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-----------
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0
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y'); -- -1
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date_part
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-----------
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-1
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(1 row)
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--
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-- test trunc function!
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--
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@ -930,3 +930,87 @@ select make_interval(secs := 7e12);
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@ 1944444444 hours 26 mins 40 secs
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(1 row)
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--
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-- test EXTRACT
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--
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SELECT f1,
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EXTRACT(MICROSECOND FROM f1) AS MICROSECOND,
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EXTRACT(MILLISECOND FROM f1) AS MILLISECOND,
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EXTRACT(SECOND FROM f1) AS SECOND,
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EXTRACT(MINUTE FROM f1) AS MINUTE,
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EXTRACT(HOUR FROM f1) AS HOUR,
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EXTRACT(DAY FROM f1) AS DAY,
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EXTRACT(MONTH FROM f1) AS MONTH,
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EXTRACT(QUARTER FROM f1) AS QUARTER,
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EXTRACT(YEAR FROM f1) AS YEAR,
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EXTRACT(DECADE FROM f1) AS DECADE,
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EXTRACT(CENTURY FROM f1) AS CENTURY,
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EXTRACT(MILLENNIUM FROM f1) AS MILLENNIUM,
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EXTRACT(EPOCH FROM f1) AS EPOCH
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FROM INTERVAL_TBL;
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f1 | microsecond | millisecond | second | minute | hour | day | month | quarter | year | decade | century | millennium | epoch
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-------------------------------+-------------+-------------+--------+--------+------+-----+-------+---------+------+--------+---------+------------+------------
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@ 1 min | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 60
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@ 5 hours | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 18000
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@ 10 days | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 864000
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@ 34 years | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 34 | 3 | 0 | 0 | 1072958400
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@ 3 mons | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 7776000
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@ 14 secs ago | -14000000 | -14000 | -14 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | -14
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@ 1 day 2 hours 3 mins 4 secs | 4000000 | 4000 | 4 | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 93784
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@ 6 years | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 189345600
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@ 5 mons | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 12960000
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@ 5 mons 12 hours | 0 | 0 | 0 | 0 | 12 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 13003200
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(10 rows)
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SELECT EXTRACT(FORTNIGHT FROM INTERVAL '2 days'); -- error
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ERROR: interval units "fortnight" not recognized
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SELECT EXTRACT(TIMEZONE FROM INTERVAL '2 days'); -- error
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ERROR: interval units "timezone" not supported
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SELECT EXTRACT(DECADE FROM INTERVAL '100 y');
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date_part
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-----------
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10
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(1 row)
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SELECT EXTRACT(DECADE FROM INTERVAL '99 y');
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date_part
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-----------
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9
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(1 row)
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SELECT EXTRACT(DECADE FROM INTERVAL '-99 y');
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date_part
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-----------
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-9
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(1 row)
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SELECT EXTRACT(DECADE FROM INTERVAL '-100 y');
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date_part
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-----------
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-10
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '100 y');
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date_part
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-----------
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1
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '99 y');
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date_part
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-----------
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0
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y');
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date_part
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-----------
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0
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(1 row)
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SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y');
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date_part
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-----------
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-1
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(1 row)
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@ -127,3 +127,48 @@ ERROR: operator is not unique: time without time zone + time without time zone
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LINE 1: SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
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^
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HINT: Could not choose a best candidate operator. You might need to add explicit type casts.
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--
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-- test EXTRACT
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--
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SELECT EXTRACT(MICROSECOND FROM TIME '2020-05-26 13:30:25.575401');
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date_part
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-----------
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25575401
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(1 row)
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SELECT EXTRACT(MILLISECOND FROM TIME '2020-05-26 13:30:25.575401');
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date_part
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-----------
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25575.401
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(1 row)
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SELECT EXTRACT(SECOND FROM TIME '2020-05-26 13:30:25.575401');
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date_part
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-----------
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25.575401
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(1 row)
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SELECT EXTRACT(MINUTE FROM TIME '2020-05-26 13:30:25.575401');
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date_part
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-----------
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30
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(1 row)
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SELECT EXTRACT(HOUR FROM TIME '2020-05-26 13:30:25.575401');
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date_part
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-----------
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13
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(1 row)
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SELECT EXTRACT(DAY FROM TIME '2020-05-26 13:30:25.575401'); -- error
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ERROR: "time" units "day" not recognized
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SELECT EXTRACT(FORTNIGHT FROM TIME '2020-05-26 13:30:25.575401'); -- error
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ERROR: "time" units "fortnight" not recognized
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SELECT EXTRACT(TIMEZONE FROM TIME '2020-05-26 13:30:25.575401'); -- error
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ERROR: "time" units "timezone" not recognized
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SELECT EXTRACT(EPOCH FROM TIME '2020-05-26 13:30:25.575401');
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date_part
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--------------
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48625.575401
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(1 row)
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@ -144,3 +144,64 @@ ERROR: operator does not exist: time with time zone + time with time zone
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LINE 1: SELECT f1 + time with time zone '00:01' AS "Illegal" FROM TI...
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^
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HINT: No operator matches the given name and argument types. You might need to add explicit type casts.
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--
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-- test EXTRACT
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--
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SELECT EXTRACT(MICROSECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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25575401
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(1 row)
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SELECT EXTRACT(MILLISECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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25575.401
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(1 row)
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SELECT EXTRACT(SECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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25.575401
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(1 row)
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SELECT EXTRACT(MINUTE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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30
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(1 row)
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SELECT EXTRACT(HOUR FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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13
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(1 row)
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SELECT EXTRACT(DAY FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); -- error
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ERROR: "time with time zone" units "day" not recognized
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SELECT EXTRACT(FORTNIGHT FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); -- error
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ERROR: "time with time zone" units "fortnight" not recognized
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SELECT EXTRACT(TIMEZONE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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-14400
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(1 row)
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SELECT EXTRACT(TIMEZONE_HOUR FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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-4
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(1 row)
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SELECT EXTRACT(TIMEZONE_MINUTE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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-----------
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0
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(1 row)
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SELECT EXTRACT(EPOCH FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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date_part
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--------------
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63025.575401
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(1 row)
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@ -263,11 +263,6 @@ SELECT EXTRACT(DECADE FROM DATE '0012-12-31 BC'); -- -2
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-- on a timestamp.
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SELECT EXTRACT(CENTURY FROM NOW())>=21 AS True; -- true
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SELECT EXTRACT(CENTURY FROM TIMESTAMP '1970-03-20 04:30:00.00000'); -- 20
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-- on an interval
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SELECT EXTRACT(CENTURY FROM INTERVAL '100 y'); -- 1
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SELECT EXTRACT(CENTURY FROM INTERVAL '99 y'); -- 0
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SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y'); -- 0
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SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y'); -- -1
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--
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-- test trunc function!
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--
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@ -311,3 +311,35 @@ select make_interval(months := 'NaN'::float::int);
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select make_interval(secs := 'inf');
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select make_interval(secs := 'NaN');
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select make_interval(secs := 7e12);
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--
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-- test EXTRACT
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--
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SELECT f1,
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EXTRACT(MICROSECOND FROM f1) AS MICROSECOND,
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EXTRACT(MILLISECOND FROM f1) AS MILLISECOND,
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EXTRACT(SECOND FROM f1) AS SECOND,
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EXTRACT(MINUTE FROM f1) AS MINUTE,
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EXTRACT(HOUR FROM f1) AS HOUR,
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EXTRACT(DAY FROM f1) AS DAY,
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EXTRACT(MONTH FROM f1) AS MONTH,
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EXTRACT(QUARTER FROM f1) AS QUARTER,
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EXTRACT(YEAR FROM f1) AS YEAR,
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EXTRACT(DECADE FROM f1) AS DECADE,
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EXTRACT(CENTURY FROM f1) AS CENTURY,
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EXTRACT(MILLENNIUM FROM f1) AS MILLENNIUM,
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EXTRACT(EPOCH FROM f1) AS EPOCH
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FROM INTERVAL_TBL;
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SELECT EXTRACT(FORTNIGHT FROM INTERVAL '2 days'); -- error
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SELECT EXTRACT(TIMEZONE FROM INTERVAL '2 days'); -- error
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SELECT EXTRACT(DECADE FROM INTERVAL '100 y');
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SELECT EXTRACT(DECADE FROM INTERVAL '99 y');
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SELECT EXTRACT(DECADE FROM INTERVAL '-99 y');
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SELECT EXTRACT(DECADE FROM INTERVAL '-100 y');
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SELECT EXTRACT(CENTURY FROM INTERVAL '100 y');
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SELECT EXTRACT(CENTURY FROM INTERVAL '99 y');
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SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y');
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SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y');
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@ -50,3 +50,16 @@ SELECT '25:00:00'::time; -- not allowed
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-- where we do mixed-type arithmetic. - thomas 2000-12-02
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SELECT f1 + time '00:01' AS "Illegal" FROM TIME_TBL;
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--
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-- test EXTRACT
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--
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SELECT EXTRACT(MICROSECOND FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(MILLISECOND FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(SECOND FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(MINUTE FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(HOUR FROM TIME '2020-05-26 13:30:25.575401');
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SELECT EXTRACT(DAY FROM TIME '2020-05-26 13:30:25.575401'); -- error
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SELECT EXTRACT(FORTNIGHT FROM TIME '2020-05-26 13:30:25.575401'); -- error
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SELECT EXTRACT(TIMEZONE FROM TIME '2020-05-26 13:30:25.575401'); -- error
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SELECT EXTRACT(EPOCH FROM TIME '2020-05-26 13:30:25.575401');
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@ -55,3 +55,18 @@ SELECT '25:00:00'::timetz; -- not allowed
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-- where we do mixed-type arithmetic. - thomas 2000-12-02
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SELECT f1 + time with time zone '00:01' AS "Illegal" FROM TIMETZ_TBL;
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--
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-- test EXTRACT
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--
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SELECT EXTRACT(MICROSECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(MILLISECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(SECOND FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(MINUTE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(HOUR FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(DAY FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); -- error
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SELECT EXTRACT(FORTNIGHT FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04'); -- error
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SELECT EXTRACT(TIMEZONE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(TIMEZONE_HOUR FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(TIMEZONE_MINUTE FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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SELECT EXTRACT(EPOCH FROM TIME WITH TIME ZONE '2020-05-26 13:30:25.575401-04');
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