Igor Babaev 66bd2b56fc Fixed LP bug #1058071 (mdev-564). ...

In some rare cases when the value of the system variable join_buffer_size
was set to a number less than 256 the function JOIN_CACHE::set_constants 
determined the size of an offset in the join buffer equal to 1 though
the minimal join buffer required more than 256 bytes. This could cause
a crash of the server when records from the join buffer were read.

2012-09-29 22:44:13 -07:00

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