Let optimizer automatically update empty index statistics for relatively small system tables

FirebirdSQL / firebird

Firebird server, client and tools

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Let optimizer automatically update empty index statistics for relatively small system tables #8057

Closed hvlad closed 1 month ago

hvlad commented 1 month ago

This is experimental change. It should allow to get correct execution plan for system queries when index statistics is empty, for example at the restore. Also, it fix the QA test for CORE-5602 (#5868) that start to fail after the #8030.