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MDEV-457 Inconsistent data truncation on datetime values with fractional seconds represented as strings with no delimiters

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New implementation for str_to_datetime. Fix MDEV-457 and related issues.
This commit is contained in:
Sergei Golubchik
2012-09-08 12:15:55 +02:00
parent 5139238685
commit c562c74478
10 changed files with 256 additions and 268 deletions
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26
mysql-test/t/str_to_datetime_457.test Normal file
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#
# MDEV-457 Inconsistent data truncation on datetime values with fractional seconds represented as strings with no delimiters
# (and other problems with str_to_datetime)
#
# first was ok, second was not
select cast('01:02:03 ' as time), cast('01:02:03 ' as time);
# first two were ok, third was not
select cast('2002-011-012' as date), cast('2002.11.12' as date), cast('2002.011.012' as date);
# only two microsecond digits were ok, third was truncated with a warning
select cast('2012103123595912' as datetime(6)), cast('20121031235959123' as datetime(6));
# zero string date was considered 'out of range'. Must be either ok or invalid format
select cast(0 as date), cast('0000-00-00' as date), cast('0' as date);
# first was ok, second was not
select extract(hour from '100000:02:03'), extract(hour from '100000:02:03 ');
--echo #
--echo # backward compatibility craziness
--echo #
select cast('12:00:00.12.34.56' as time); # was 12:00:00
select cast('12:00:00 12.34.56' as time); # was 12:34:56
select cast('12:00:00-12.34.56' as time); # was 12:00:00
select cast('12:00:00.12.34.56' as datetime);
select cast('12:00:00-12.34.56' as datetime);
select cast('12:00:00 12.34.56' as datetime);
select cast('12:00:00.123456' as time);