Can someone comment on this?
> It seems the truncate command deletes all rows from a table even it is
> referenced by another tables. TRUNCATE is not in the standard any way,
> so I would not claim this is a bug. However, sometimes it would be
> helpful for a user to let him notice that the table about to be
> truncated is referenced by some tables. So I would propose to add
> "RESTRICT" option to the command. I mean if RESTRICT is specified,
> TRUNCATE will fail if the table is referenced.
>
> BTW, the keyword "RESTRICT" is inspired by the fact that DROP TABLE
> has the same option according to the standard. If a table is
> referenced by some tables and the drop table command has the RESTRICT
> option, it would fail. This seems to be a nice feature too.
>
> Comments?
> --
> Tatsuo Ishii
>
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