Noted by Vik Fearing and Robert Haas
Partitioned tables do not support <literal>EXCLUDE</literal> constraints;
however, you can define these constraints on individual partitions.
Also, while it's possible to define <literal>PRIMARY KEY</literal>
- constraints on partitioned tables, it is not supported to create foreign
- keys cannot that reference them. This restriction will be lifted in a
- future release.
+ constraints on partitioned tables, creating foreign keys that
+ reference a partitioned table is not yet supported.
</para>
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