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Diffstat (limited to 'doc/src/sgml/postgres-fdw.sgml')
| -rw-r--r-- | doc/src/sgml/postgres-fdw.sgml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/src/sgml/postgres-fdw.sgml b/doc/src/sgml/postgres-fdw.sgml index 43adb61455d..1079140de28 100644 --- a/doc/src/sgml/postgres-fdw.sgml +++ b/doc/src/sgml/postgres-fdw.sgml @@ -69,6 +69,14 @@ </para> <para> + Note that <filename>postgres_fdw</> currently lacks support for + <command>INSERT</command> statements with an <literal>ON CONFLICT DO + UPDATE</> clause. However, the <literal>ON CONFLICT DO NOTHING</> + clause is supported, provided a unique index inference specification + is omitted. + </para> + + <para> It is generally recommended that the columns of a foreign table be declared with exactly the same data types, and collations if applicable, as the referenced columns of the remote table. Although <filename>postgres_fdw</> |