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Improve RETURNING readme about usage of * (CORE-3808).

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Adriano dos Santos Fernandes 2019-01-22 12:20:42 -02:00
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doc/sql.extensions/README.returning
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@ -52,6 +52,7 @@ RETURNING clause
7. In MERGE WHEN MATCHED UPDATE and MERGE WHEN NOT MATCHED statements, unqualified or qualified
by table name/alias fields are resolved to NEW. In MERGE WHEN MATCHED DELETE they are
resolved to OLD.
8. Since v4 it's possible to use * and alias.*, as well OLD.* and NEW.* where applicable.
Limitations:
1. The modify statement (INSERT, UPDATE, DELETE, MERGE) should operate in no more than one record