Sergei Petrunia 33ede50f20 MDEV-22251: get_key_scans_params: Conditional jump or move depends on uninitialised value ...

Apply the patch based on the patch by Varun Gupta:

PARAM::is_ror_scan might be used unitialized when check_quick_select()
is invoked for a "degenerate" SEL_ARG tree (e.g. one having type
SEL_ARG::IMPOSSIBLE).

Make check_quick_select() always initialize PARAM::is_ror_scan.

2021-01-28 20:46:13 +03:00

483 KiB

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