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sql: cache ImmutableTableDescriptor #55960

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sql: cache ImmutableTableDescriptor#55960
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C-performancePerf of queries or internals. Solution not expected to change functional behavior.T-sql-foundationsSQL Foundations Team (formerly SQL Schema + SQL Sessions)
@yuzefovich

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@yuzefovich
yuzefovich
opened on Oct 25, 2020

Extracting the second observation from #42770:

  1. We always construct a new ImmutableTableDescriptor. These things are meant to be cached. I'm not sure how best to plumb a cache (or which one).

cc @ajwerner as I think you've been thinking about this and possibly there already exists a better issue.

Jira issue: CRDB-3608

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    C-performancePerf of queries or internals. Solution not expected to change functional behavior.T-sql-foundationsSQL Foundations Team (formerly SQL Schema + SQL Sessions)

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