Daniel Sonda comments

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                                            Daniel Sonda

Using exists in Firebird 5.0.1 uses a different and slow plan compared to just the select statement

I created a database with just the two tables and columns used in the statements and inserted the same data as the original one. You can download it from [here](https://drive.google.com/file/d/1PGvKj7y9aPmPsaSjkIkDViusDfcjoR7f/view?usp=sharing)

Using exists in Firebird 5.0.1 uses a different and slow plan compared to just the select statement

Any chance this issue will be fixed in version 5.0.2?

Using exists in Firebird 5.0.1 uses a different and slow plan compared to just the select statement

Any chance this issue will be fixed in version 5.0.3?

Entity Framework DateOnly and TimeOnly support

Perhaps this issue should have been created at https://github.com/FirebirdSQL/NETProvider

Firebird 5.0 and 2.5 - Bad performance - LEFT/INNER JOIN try to compare NULL value with all index values

Is it the same case as [8344](https://github.com/FirebirdSQL/firebird/issues/8344)?