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Add a couple more tests for interval input decoding.

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Cover some cases that would have been broken by a proposed patch,
but we failed to notice for lack of test coverage.  I'm pushing
this separately mainly to memorialize that it *is* our historical
behavior.

Discussion: https://postgr.es/m/1344498.1648920056@sss.pgh.pa.us
This commit is contained in:
Tom Lane 2022-04-02 13:49:39 -04:00
parent 14bf1e8313
commit 1b208ebaf1
2 changed files with 32 additions and 0 deletions
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20
src/test/regress/expected/interval.out
View File

@ -826,6 +826,16 @@ SELECT interval '+1 -1:00:00',
1 day -01:00:00 | -1 days +01:00:00 | 1 year 2 mons -3 days +04:05:06.789 | -1 years -2 mons +3 days -04:05:06.789
(1 row)
-- cases that trigger sign-matching rules in the sql style
SELECT interval '-23 hours 45 min 12.34 sec',
interval '-1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec';
interval | interval | interval | interval
--------------+----------------------+-----------------------------+-----------------------------
-22:14:47.66 | -1 days +23:45:12.34 | -10 mons +1 day 23:45:12.34 | -10 mons +1 day 23:45:12.34
(1 row)
-- test output of couple non-standard interval values in the sql style
SET IntervalStyle TO sql_standard;
SELECT interval '1 day -1 hours',
@ -837,6 +847,16 @@ SELECT interval '1 day -1 hours',
+0-0 +1 -1:00:00 | +0-0 -1 +1:00:00 | +1-2 -3 +4:05:06.789 | -1-2 +3 -4:05:06.789
(1 row)
-- cases that trigger sign-matching rules in the sql style
SELECT interval '-23 hours 45 min 12.34 sec',
interval '-1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec';
interval | interval | interval | interval
--------------+----------------+----------------------+-----------------------
-23:45:12.34 | -1 23:45:12.34 | -1-2 -1 -23:45:12.34 | -0-10 +1 +23:45:12.34
(1 row)
-- test outputting iso8601 intervals
SET IntervalStyle to iso_8601;
select interval '0' AS "zero",

12
src/test/regress/sql/interval.sql
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@ -258,6 +258,12 @@ SELECT interval '+1 -1:00:00',
interval '+1-2 -3 +4:05:06.789',
interval '-1-2 +3 -4:05:06.789';
-- cases that trigger sign-matching rules in the sql style
SELECT interval '-23 hours 45 min 12.34 sec',
interval '-1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec';
-- test output of couple non-standard interval values in the sql style
SET IntervalStyle TO sql_standard;
SELECT interval '1 day -1 hours',
@ -265,6 +271,12 @@ SELECT interval '1 day -1 hours',
interval '1 years 2 months -3 days 4 hours 5 minutes 6.789 seconds',
- interval '1 years 2 months -3 days 4 hours 5 minutes 6.789 seconds';
-- cases that trigger sign-matching rules in the sql style
SELECT interval '-23 hours 45 min 12.34 sec',
interval '-1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec',
interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec';
-- test outputting iso8601 intervals
SET IntervalStyle to iso_8601;
select interval '0' AS "zero",