Hi, I am currently working to integrate official Spanner support within the litestar python API framework. I've noticed that if there is a model that has a sequence defined, then the Spanner dialect incorrectly emits the create statement for the sequence when executing create_all.

Upon investigation, I noticed that supports_sequences is set to True here. This appears to be incorrect. When I submit the tests using a patched version, I do not see the same failures.

Can you confirm is this is needed to be set to True? And if not, could this be changed?

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Thanks!