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-We have recently found an issue where if you are using Query Store feature with SQL Server 2017 CU2, and later upgrade to SQL Server 2017 CU3 (or higher when available), an attempt to use the stored showplan fails. This includes the ability to force a specific plan captured by Query Store while SQL Server 2017 CU2 (14.0.3008.27) was installed, while already running with CU3 (14.0.3015.40) or a newer build.
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+We have found an issue where if you are using Query Store feature with SQL Server 2017 CU2, and later upgrade to SQL Server 2017 CU3 (or higher when available), an attempt to use the stored showplan fails. This includes the ability to force a specific plan captured by Query Store while SQL Server 2017 CU2 (14.0.3008.27) was installed, while already running with CU3 (14.0.3015.40) or a newer build.
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As such, to assist DBAs in removing any of the affected plans collected while SQL Server 2017 CU2 was installed, we have created this T-SQL script to remove only the affected plans in Query Store. Execute it immediately after upgrading from SQL Server 2017 CU2 to SQL Server 2017 CU3 or a newer CU. If you are upgrading already from SQL Server 2017 CU3 or a newer build, exsecuting the script is not needed.
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Pedro Lopes