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authorMagnus Hagander <magnus@hagander.net>2024-01-11 14:27:10 +0100
committerMagnus Hagander <magnus@hagander.net>2024-01-11 14:35:55 +0100
commit9a94e9ae7ea2f0aced00a53ab618ee4f7c46cc5e (patch)
treeff06c64b65f68f4ce745958cfd3fff4120cda0cc /doc/src
parentfb198942b3baf6b599dfaf6d78ecd4cd7c5ad1b7 (diff)
Fix omission in partitioning limitation documentation
UNIQUE and PRIMARY KEY constraints can be created on ONLY the partitioned table. We already had an example demonstrating that, but forgot to mention it in the documentation of the limits of partitioning. Author: Laurenz Albe Reviewed-By: shihao zhong, Shubham Khanna, Ashutosh Bapat Backpatch-through: 12 Discussion: https://postgr.es/m/167299368731.659.16130012959616771853@wrigleys.postgresql.org
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/ddl.sgml4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml
index 3f643a53846..0e9ab2f19e1 100644
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@@ -4150,7 +4150,9 @@ ALTER INDEX measurement_city_id_logdate_key
Using <literal>ONLY</literal> to add or drop a constraint on only
the partitioned table is supported as long as there are no
partitions. Once partitions exist, using <literal>ONLY</literal>
- will result in an error. Instead, constraints on the partitions
+ will result in an error for any constraints other than
+ <literal>UNIQUE</literal> and <literal>PRIMARY KEY</literal>.
+ Instead, constraints on the partitions
themselves can be added and (if they are not present in the parent
table) dropped.
</para>