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Tried it on SQLite's own Fossil repo, which is a kind of SQLite db too.

The resulting diagram shows no relationship arrows.

Turns out the Fossil's schema uses REFERENCES clause with a table name only; I guess, this points to table's primary key by default. Apparently, the diagram generator requires explicit column names.

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Huh. The syntax diagram in the documentation[1] suggests this is possible, but the documentation on foreign keys[2] does not mention that syntax, or how it's interpreted.

I think I can fix this.

[1]: https://sqlite.org/syntax/foreign-key-clause.html

[2]: https://sqlite.org/foreignkeys.html

I have pushed an update which should fix this issue.

Just tested the fix on the Fossil's db. The arrows are displayed correctly. Thanks!

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