[wp-trac] [WordPress Trac] #47280: SQL_CALC_FOUND_ROWS is deprecated as of MySQL 8.0.17
WordPress Trac
noreply at wordpress.org
Wed Jul 20 17:07:26 UTC 2022
#47280: SQL_CALC_FOUND_ROWS is deprecated as of MySQL 8.0.17
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Reporter: javorszky | Owner: johnbillion
Type: enhancement | Status: reviewing
Priority: normal | Milestone: Future Release
Component: Database | Version:
Severity: normal | Resolution:
Keywords: has-patch has-unit-tests early | Focuses: performance
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Comment (by akramipro):
@rjasdfiii - no i think you are wrong . about `DISTINCT` i tested before
and it works fine with no errors . also there is no `GROUP BY` in my count
query . you should read my code with more attention !
Anyway, I tested my code in site with 3.5 million wp_postmeta records and
I checked sql logs and all count queries executed with no error and
paginations work like before.
Last night my server cpu was 100% but after I fixed the count queries it's
under 10% !!
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Ticket URL: <https://core.trac.wordpress.org/ticket/47280#comment:39>
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