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When table has a composite primary key, the `primary_key` method for sqlite3 and postgresql was only returning the first field of the key. Ensures that it will return nil instead, as AR dont support composite pks. |
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active_record/connection_adapters | ||
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cases | ||
fixtures | ||
migrations | ||
models | ||
schema | ||
support | ||
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config.example.yml | ||
config.rb |