> NOTICE: adding missing FROM-clause entry for table "table_s1" > NOTICE: adding missing FROM-clause entry for table "table_s2"
> and execution times explode, naturally. I don't know if the spec says > this is the correct behavior or not, but I have a feeling its not and > this is a bug. This is a PostgreSQL extension to make it easier on those using the database. In fact, it's the only way to currently write a delete using a join. In 7.4 you can disable this extension in postgresql.conf (add_missing_from = false)
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