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Fix race condition in system.parts vs. ALTER #6513

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merged 2 commits into from Aug 17, 2019

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alexey-milovidov
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For changelog. Remove if this is non-significant change.

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  • Bug Fix

Short description (up to few sentences):
Fixed data race in system.parts table and ALTER query. This fixes #6245.

@alexey-milovidov alexey-milovidov added the pr-bugfix Pull request with bugfix, not backported by default label Aug 16, 2019
@alexey-milovidov alexey-milovidov merged commit e2687fc into master Aug 17, 2019
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Test is pending in #6514
but it only revealed more issues.

abyss7 pushed a commit to abyss7/ClickHouse that referenced this pull request Sep 5, 2019
Fix race condition in system.parts vs. ALTER

(cherry picked from commit e2687fc)
@abyss7 abyss7 added the v19.11 label Sep 5, 2019
abyss7 pushed a commit to abyss7/ClickHouse that referenced this pull request Sep 6, 2019
Fix race condition in system.parts vs. ALTER

(cherry picked from commit e2687fc)
@abyss7 abyss7 added the v19.12 label Sep 6, 2019
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Another segfault on INSERT into source table for several MATERIALIZED VIEWs.
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