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FROM_DAYS(0) now returns "0000-00-00".
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In
DATE_FORMAT(), PM and AM were swapped for hours 00 and 12.
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Extended the default maximum key size to 256.
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Fixed bug when using
BLOB/TEXT in GROUP BY with many
tables.
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An
ENUM field that is not declared NOT NULL has NULL as
the default value.
(Previously, the default value was the first enumeration value.)
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Fixed bug in the join optimizer code when using many part keys
on the same key:
INDEX (Organization,Surname(35),Initials(35)).
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Added some tests to the table order optimizer to get some cases with
SELECT ... FROM many_tables much faster.
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Added a retry loop around
accept() to possibly fix some problems on some
Linux machines.
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