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MDEV-19817 Fix crash in Multiupdate_prelocking_strategy::handle_end - #5733

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sanja-byelkin wants to merge 1 commit into
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10.11-MDEV-19817
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sanja-byelkin wants to merge 1 commit into
10.11from
10.11-MDEV-19817

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@sanja-byelkin

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Multiupdate tables in case of reopening (in case of deadlock for example do not clean up views/derived (with trigggers). So SET list stay "fixed" and do not mark write bits which cause problems.

There is still problem in case of concurent flush table which replace TABLE object, but it should be covered by MDEV-21630.

Multiupdate tables in case of reopening (in case of deadlock for example
do not clean up views/derived (with trigggers). So SET list stay "fixed"
and do not mark write bits which cause problems.

There is still problem in case of concurent flush table which replace
TABLE object, but it should be covered by MDEV-21630.
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