issue_comments: 1504298448

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html_url issue_url id node_id user created_at updated_at author_association body reactions issue performed_via_github_app
https://github.com/simonw/datasette/issues/2058#issuecomment-1504298448 https://api.github.com/repos/simonw/datasette/issues/2058 1504298448 IC_kwDOBm6k_c5ZqcXQ 9599 2023-04-12T00:04:01Z 2023-04-12T00:04:01Z OWNER

Here's a potential workaround: when I store the schema versions, I could also score an MD5 hash of the full schema (select group_concat(sql) from sqlite_master). When I read the schema version with PRAGMA schema_version I could catch that exception and, if I see it, I could calculate that MD5 hash again as a fallback and use that to determine if the schema has changed instead.

The performance overhead of this needs investigating - how much more expensive is md5(... that SQL query result) compared to just PRAGMA schema_version, especially on a database with a lot of tables?

 
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