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MDEV-11839 move value caching from get_datetime_value to fix_fields time

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Refactor get_datetime_value() not to create Item_cache_temporal(),
but do it always in ::fix_fields() or ::fix_length_and_dec().

Creating items at the execution time doesn't work very well with
virtual columns and check constraints that are fixed and executed
in different THDs.
This commit is contained in:
Sergei Golubchik
2018-03-12 20:16:33 +01:00
parent 1c6f6dc892
commit d390e501eb
11 changed files with 139 additions and 102 deletions
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mysql-test/r/range.result
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@ -1595,8 +1595,6 @@ NULL
Warnings:
Warning 1411 Incorrect datetime value: '2007-20-00' for function str_to_date
Warning 1411 Incorrect datetime value: '2007-20-00' for function str_to_date
Warning 1411 Incorrect datetime value: '2007-20-00' for function str_to_date
Warning 1411 Incorrect datetime value: '2007-20-00' for function str_to_date
SELECT str_to_date('2007-10-00', '%Y-%m-%d') BETWEEN '' AND '2007/10/20';
str_to_date('2007-10-00', '%Y-%m-%d') BETWEEN '' AND '2007/10/20'
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