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Bug#42525: TIMEDIFF function

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In 37553 we declared longlong results for
class Item_str_timefunc as per comments/docs,
but didn't add a method for that. And the
default just wasn't good enough for some
cases.

Changeset adds dedicated val_int() to class.

mysql-test/r/func_sapdb.result:
  More tests for casts of TIME() / TIMEDIFF() with negative results.
mysql-test/t/func_sapdb.test:
  More tests for casts of TIME() / TIMEDIFF() with negative results.
sql/item_timefunc.h:
  Since we claim to provide longlong results, we should have
  a suitable function to provide them (the default won't do).
  This one matches the val_real() variant.
This commit is contained in:
Tatiana A. Nurnberg
2009-02-06 18:25:08 +01:00
parent 518cfea483
commit d66dc23065
3 changed files with 33 additions and 0 deletions
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14
mysql-test/r/func_sapdb.result
View File

@ -268,3 +268,17 @@ timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')<time('00:00:00')
SELECT CAST(time('-73:42:12') AS DECIMAL);
CAST(time('-73:42:12') AS DECIMAL)
-734212
SELECT TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1Eq,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq1,
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq2,
TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))= '00:00:00' AS 2Eq,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))= '00:00:00' AS 2NEq1,
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))= '00:00:00' AS 2NEq2,
TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME(0) AS 3Eq,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME(0) AS 3NEq1,
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME(0) AS 3NEq2,
TIME(0) AS Time0, TIME('00:00:00') AS Time00, '00:00:00' AS Literal0000,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')),
TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'));
1Eq 1NEq1 1NEq2 2Eq 2NEq1 2NEq2 3Eq 3NEq1 3NEq2 Time0 Time00 Literal0000 TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')) TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'))
1 0 0 1 0 0 1 0 0 00:00:00 00:00:00 00:00:00 00:59:00 -00:59:00

18
mysql-test/t/func_sapdb.test
View File

@ -151,4 +151,22 @@ select timediff('2008-09-29 20:10:10','2008-09-30 20:10:10')<time('00:00:00');
SELECT CAST(time('-73:42:12') AS DECIMAL);
#
# Bug#42525 - TIMEDIFF function
#
SELECT TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1Eq,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq1,
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME('00:00:00') AS 1NEq2,
TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))= '00:00:00' AS 2Eq,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))= '00:00:00' AS 2NEq1,
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))= '00:00:00' AS 2NEq2,
TIMEDIFF(TIME('17:00:00'),TIME('17:00:00'))=TIME(0) AS 3Eq,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00'))=TIME(0) AS 3NEq1,
TIMEDIFF(TIME('18:00:00'),TIME('17:00:00'))=TIME(0) AS 3NEq2,
TIME(0) AS Time0, TIME('00:00:00') AS Time00, '00:00:00' AS Literal0000,
TIMEDIFF(TIME('17:59:00'),TIME('17:00:00')),
TIMEDIFF(TIME('17:00:00'),TIME('17:59:00'));
# End of 5.0 tests