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sql/opt: add session variable to disable stats forecast use in optimizer
Add a new session variable, `optimizer_use_forecasts`, which can be used to disable forecast usage. Forecasts will still be generated in the stats cache (this will be controlled by a different variable). Assists: cockroachdb#86350 Release justification: Low-risk update to new functionality. Release note (sql change): This commit adds a new session variable, `optimizer_use_forecasts`, which can be set to false to disable usage of statistics forecasts when optimizing a query.
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@@ -885,4 +885,3 @@ DROP SCHEMA sc | |
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statement ok | ||
SET CLUSTER SETTING server.eventlog.enabled = false | ||
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