release-20.2: sql: catch panics from SHOW STATISTICS code #58263
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This change adds a panic catcher around the code that processes the statistics for SHOW STATISTICS. This statement is used internally for statement diagnostics, so a crash here can be very bad. Informs cockroachdb#58220. Informs cockroachdb#56356. Release note (bug fix): added a safeguard against crashes while running `SHOW STATISTICS USING JSON`, which is used internally for statement diagnostics and EXPLAIN ANALYZE (DEBUG).
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rytaft
approved these changes
Dec 24, 2020
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Reviewed 2 of 2 files at r1.
Reviewable status:complete! 1 of 0 LGTMs obtained (waiting on @RaduBerinde)
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Backport 1/1 commits from #58221.
/cc @cockroachdb/release
This change adds a panic catcher around the code that processes the
statistics for SHOW STATISTICS. This statement is used internally for
statement diagnostics, so a crash here can be very bad.
Informs #58220.
Informs #56356.
Release note (bug fix): added a safeguard against crashes while
running
SHOW STATISTICS USING JSON, which is used internally forstatement diagnostics and EXPLAIN ANALYZE (DEBUG).