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MDEV-4281 Assertion `maybe_null && item->null_value' fails in make_sortkey on CASE with different return types, GROUP_CONCAT, GROUP BY

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Fix Item::get_date() to mark the item NULL when returning an error.
This commit is contained in:
Sergei Golubchik
2013-03-17 07:41:22 +01:00
parent 926b0f54c9
commit 019f7425b7
10 changed files with 56 additions and 23 deletions
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mysql-test/r/date_formats.result
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@ -586,7 +586,7 @@ TIME_FORMAT("25:00:00", '%l %p')
1 AM
SELECT DATE_FORMAT('%Y-%m-%d %H:%i:%s', 1151414896);
DATE_FORMAT('%Y-%m-%d %H:%i:%s', 1151414896)
NULL
1151414896
Warnings:
Warning 1292 Incorrect datetime value: '%Y-%m-%d %H:%i:%s'
select str_to_date('04 /30/2004', '%m /%d/%Y');