Support TTL TO [DISK|VOLUME] [IF EXISTS]
#34504
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robot-clickhouse
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alesapin
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Feb 14, 2022
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Support
IF EXISTSclause forTTL expr TO [DISK|VOLUME] [IF EXISTS] 'xxx'feature. Parts will be moved to disk or volume only if it exists on replica, soMOVE TTLrules will be able to behave differently on replicas according to the existing storage policies. Resolves #34455.