[TYPO3-core] RFC: No-brainer #15196: Speedup t3lib_cache_backend_DbBackend::has($entryIdentifier)

[Oliver Klee]

Hi,

Am 21.07.2010 16:23, schrieb Michael Knabe:
> Problem:
> t3lib_cache_backend_DbBackend::has($entryIdentifier) could be 50% faster
> using sql_num_rows instead of getRows/count

AFAIK this will even be faster if you use a COUNT(content) query instead
of a SELECT query.

Or you LIMIT the SELECT to 1 (if multiple matches are to be expected).

I haven't tested yet which of the two approaches is the fastest.


Oli
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