Hi Ashutosh,
On 2017/04/03 15:49, Ashutosh Bapat wrote:
>>> Similarly, a partition constraint
>>> should also be enforced at the foreign server. Probably we should
>>> update documentation of create foreign table to mention this.
>>
>> That is a good idea.
>>
>> Here's the patch.
Thanks for creating the patch.
+ Constraints and partition bounds on foreign tables (such as
We use "partition constraint" instead of "partition bounds" to mean the
implicit constraint of a partition (there are a few instances of that in
the documentation). So, perhaps this could be written as: Constraints
(both the user-defined constraints such as <literal>CHECK</>
or <literal>NOT NULL</> clauses and the partition constraint) are not
enforced by the core <productname>PostgreSQL</> system, ...
And once we've mentioned that a constraint means one of these things, we
need not repeat "partition bounds/constraints" in the subsequent
paragraphs. If you agree, attached is the updated patch.
> I am not able to build documents on my laptop because of
> recent changes in d63762452434a3a046e8c7d130d5a77c594176e4. So, I was not
> able to check whether the patch builds or not. But I am hoping it builds
> well.
By the way, docs do build fine despite the error you see.
Thanks,
Amit
diff --git a/doc/src/sgml/ref/create_foreign_table.sgml b/doc/src/sgml/ref/create_foreign_table.sgml
index 5d0dcf567b..57b3156b21 100644
--- a/doc/src/sgml/ref/create_foreign_table.sgml
+++ b/doc/src/sgml/ref/create_foreign_table.sgml
@@ -279,10 +279,10 @@ CHECK ( <replaceable class="PARAMETER">expression</replaceable> ) [ NO INHERIT ]
<title>Notes</title>
<para>
- Constraints on foreign tables (such as <literal>CHECK</>
- or <literal>NOT NULL</> clauses) are not enforced by the
- core <productname>PostgreSQL</> system, and most foreign data wrappers
- do not attempt to enforce them either; that is, the constraint is
+ Constraints (both the user-defined constraints such as <literal>CHECK</>
+ or <literal>NOT NULL</> clauses and the partition constraint) are not
+ enforced by the core <productname>PostgreSQL</> system, and most foreign
+ data wrappers do not attempt to enforce them either; that is, the they is
simply assumed to hold true. There would be little point in such
enforcement since it would only apply to rows inserted or updated via
the foreign table, and not to rows modified by other means, such as
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
