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authorBruce Momjian2024-11-01 17:54:28 +0000
committerBruce Momjian2024-11-01 17:54:28 +0000
commit4200fea80e79851994b8eb5a64a3d4420456c977 (patch)
tree22977d6d1e087a666fa2a3babaa78b05eabd51e4 /doc/src
parent94a8c19eed6cdaffad8939a41ed89e3c6afa7c94 (diff)
doc: fix ALTER DOMAIN domain_constraint to spell out options
It used to refer to CREATE DOMAIN, but CREATE DOMAIN allows NULL, while ALTER DOMAIN does not. Reported-by: [email protected] Discussion: https://postgr.es/m/[email protected] Backpatch-through: 12
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/ref/alter_domain.sgml8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/alter_domain.sgml b/doc/src/sgml/ref/alter_domain.sgml
index f6704d7557a..74855172222 100644
--- a/doc/src/sgml/ref/alter_domain.sgml
+++ b/doc/src/sgml/ref/alter_domain.sgml
@@ -41,6 +41,11 @@ ALTER DOMAIN <replaceable class="parameter">name</replaceable>
RENAME TO <replaceable class="parameter">new_name</replaceable>
ALTER DOMAIN <replaceable class="parameter">name</replaceable>
SET SCHEMA <replaceable class="parameter">new_schema</replaceable>
+
+<phrase>where <replaceable class="parameter">domain_constraint</replaceable> is:</phrase>
+
+[ CONSTRAINT <replaceable class="parameter">constraint_name</replaceable> ]
+{ NOT NULL | CHECK (<replaceable class="parameter">expression</replaceable>) }
</synopsis>
</refsynopsisdiv>
@@ -79,8 +84,7 @@ ALTER DOMAIN <replaceable class="parameter">name</replaceable>
<term><literal>ADD <replaceable class="parameter">domain_constraint</replaceable> [ NOT VALID ]</literal></term>
<listitem>
<para>
- This form adds a new constraint to a domain using the same syntax as
- <link linkend="sql-createdomain"><command>CREATE DOMAIN</command></link>.
+ This form adds a new constraint to a domain.
When a new constraint is added to a domain, all columns using that
domain will be checked against the newly added constraint. These
checks can be suppressed by adding the new constraint using the