Mention in the docs that temporary/non-temp tables can not share

referential integrity relationships.

diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
index 7be5d28878cab61f987d523e4476d13f005d5248..0bcd784911c1a78499e0e6a5f7bc44e2ed080213 100644 (file)
--- a/doc/src/sgml/ref/create_table.sgml
+++ b/doc/src/sgml/ref/create_table.sgml
@@ -1,5 +1,5 @@
 
 
@@ -421,7 +421,9 @@ and table_constraint is:
       primary key of the 
       class="parameter">reftable is used.  The
       referenced columns must be the columns of a unique or primary
-      key constraint in the referenced table.
+      key constraint in the referenced table.  Note that foreign key
+      constraints may not be defined between temporary tables and
+      permanent tables.