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2 Commits

Author SHA1 Message Date
Azat Khuzhin
769017e1f5 tests: move random_str() helper into shell_config.sh 
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
 2022-07-03 14:24:24 +03:00
Azat Khuzhin
61a2613127 Fix refcnt for unused MergeTree parts in SELECT queries 
Before this patch SELECT queries hold parts even if they were not
required by select (had been eliminated by partition pruning).

This defers removing parts if you have long running queries.

This had been introduced in #23932, with introduction of
StorageSnapshotPtr.

Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
 2022-06-08 07:04:53 +03:00