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Clarify FDW documentation about ON CONFLICT. 

Etsuro Fujita, reviewed by Peter Geoghegan
This commit is contained in:
Robert Haas 2015-10-02 16:55:47 -04:00
parent 2e8cfcf4ea
commit 01bc589a46
1 changed files with 4 additions and 3 deletions
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7
doc/src/sgml/fdwhandler.sgml
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@ -1196,9 +1196,10 @@ GetForeignServerByName(const char *name, bool missing_ok);
<para>
<command>INSERT</> with an <literal>ON CONFLICT</> clause does not
support specifying the conflict target, as remote constraints are not
locally known. This in turn implies that <literal>ON CONFLICT DO
UPDATE</> is not supported, since the specification is mandatory there.
support specifying the conflict target, as unique constraints or
exclusion constraints on remote tables are not locally known. This
in turn implies that <literal>ON CONFLICT DO UPDATE</> is not supported,
since the specification is mandatory there.
</para>
</sect1>