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Displaying posts with tag: global status (reset)
Does MariaDB kill the magic query?!

I’m sure that many of you use the magic query from Shlomi.
This query retrieves the difference between two status values with a single query.
I’m really fan of this kind of query and about this query in particular. This query is very useful to retrieve an information without to have to store a middle result.

Now, I tried this query on a MariaDB 5.5 server and I had a surprise :

The result was a bit strange, with negative or null values.

I’ve just had these server for few hours in my hands and I had no more time to analyze the situation.
I assume that the subquery optimisations in MariaDB can be involve here but it’s just an assumption.

Does anyone encountered the …

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