Igor Babaev 0955462d0a MDEV-18479 Assertion `join->best_read < double(1.79769313486231570815e+308L)' ...

or server crashes in JOIN::fix_all_splittings_in_plan after EXPLAIN

This patch resolves the problem of overflowing when performing
calculations to estimate the cost of an evaluated query execution plan.
The overflowing in a non-debug build could cause different kind of
problems uncluding crashes of the server.

2019-05-27 19:08:23 -07:00

9.6 KiB

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