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-rw-r--r--doc/src/sgml/ref/psql-ref.sgml4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index fa58f71e15f..1d69295a1a4 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -1060,6 +1060,10 @@ testdb=>
destination, because all data must pass through the client/server
connection. For large amounts of data the <acronym>SQL</acronym>
command might be preferable.
+ Also, because of this pass-through method, <literal>\copy
+ ... from</literal> in <acronym>CSV</acronym> mode will erroneously
+ treat a <literal>\.</literal> data value alone on a line as an
+ end-of-input marker.
</para>
</tip>