Functionality added or changed:
max_packet_length for libmysqld.c
is now 1024*1024*1024.
One can now specify
a file ready by
When sending a too big packet to the server with the not compressed protocol, the client now gets an error message instead of a lost connection.
We now send big queries/result rows in bigger hunks, which should give a small speed improvement.
Fixed some bugs with the compressed protocol for rows > 16M.
InnoDB tables now also support
ON UPDATE CASCADE in
KEY constraints. See the
section in the manual for the
Fixed bug in
ALTER TABLE with BDB tables.
Fixed core dump bug in
Fixed a bug in handling communication packets bigger than 16M. Unfortunately this required a protocol change; If you upgrade the server to 4.0.8 and above and have clients that uses packets >= 255*255*255 bytes (=16581375) you must also upgrade your clients to at least 4.0.8. If you don't upgrade, the clients will hang when sending a big packet.
Fixed bug when sending blobs longer than 16M to client.
Fixed bug in
GROUP BY when used on BLOB
Fixed a bug in handling
NULL values in
CASE ... WHEN ...
This is a translation of the MySQL Reference Manual that can be found at dev.mysql.com. The original Reference Manual is in English, and this translation is not necessarily as up to date as the English version.