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add paragraph about active_record association support.

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1 parent 23c6303 commit eb7a2730061584a3b7ca00776e2b92ab831041ae @ajh committed Oct 21, 2008
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  1. +6 −1 README
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7 README
@@ -47,7 +47,12 @@ breaking due to ActiveRecord development. Queries on the live table will also
be faster in the case of lots of deleted rows, because they will be in a
separate table.
-The tradeoff is that the deleted table needs to be maintained along with the
+The biggest tradeoff is that deleted rows aren't visible through active record
+associations because they're in a different table. The only solution I could
+think of was to write proxies for the associations. But it would involve so
+much code that I figured it wasn't worth it.
+
+Another tradeoff is that the deleted table needs to be maintained along with the
live table. For example, if the artists table adds a column in a future
migration, then the deleted_artists table needs that column as well.

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