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如何使用除`=`之外的其他运算符来创建DBIx :: Class连接表?

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Summary

I've got a table of items that go in pairs. I'd like to self-join it so I can retrieve both sides of the pair in a single query. It's valid SQL (I think), the SQLite engine actually does accept it, but I'm having trouble getting DBIx::Class to bite the bullet.I've got a table of items that go in




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