Comment 3 for bug 378834
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| Arjen Lentz (arjen-lentz) wrote Re: [Percona-discussion] [Bug 378834] Re: test failure for mysql/5.0/percona_maintained/microslow_innodb.patch | #3 |
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Hi Neil
On 21/05/2009, at 12:51 PM, Neil Katin wrote:
> Arjen, I could use some advice on this problem. The "right" fix
> wasn't very clear to me.
> The new variable type is called "double", but its really a fixed
> point number, with
> magic done by sys_var_
> I'm working on an absolutely minimal patch that just changes the
> assert to all ULL and
> DOUBLE values. But I suspect the name of GET_DOUBLE will confuse
> folks in the future.
Yea it's a practical hack.
You could have a quick peek in the mysql 5.1 codebase, which also
supports fractional seconds for long_query_time.
The implementation is not identical but you may be able to work out
something from that.
I don't remember off-hand what was used there.
Cheers,
Arjen.
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