On 2/20/18 10:10, Matheus de Oliveira wrote:
> Besides that, there is a another change in this patch on current ALTER
> CONSTRAINT about deferrability options. Previously, if the user did
> ALTER CONSTRAINT without specifying an option on deferrable or
> initdeferred, it was implied the default options, so this:
> 
>     ALTER TABLE tbl
>     ALTER CONSTRAINT con_name;
> 
> Was equivalent to:
> 
>     ALTER TABLE tbl
>     ALTER CONSTRAINT con_name NOT DEFERRABLE INITIALLY IMMEDIATE;

Oh, that seems wrong.  Probably, it shouldn't even accept that syntax
with an empty options list, let alone reset options that are not
mentioned.  Can you prepare a separate patch for this issue?

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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