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-rw-r--r--doc/src/sgml/datatype.sgml13
1 files changed, 12 insertions, 1 deletions
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 3bc6854be65..9ef7b4a0251 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -4661,6 +4661,10 @@ SELECT * FROM pg_attribute
</indexterm>
<indexterm zone="datatype-pseudo">
+ <primary>unknown</primary>
+ </indexterm>
+
+ <indexterm zone="datatype-pseudo">
<primary>opaque</primary>
</indexterm>
@@ -4782,8 +4786,15 @@ SELECT * FROM pg_attribute
</row>
<row>
+ <entry><type>unknown</></entry>
+ <entry>Identifies a not-yet-resolved type, e.g. of an undecorated
+ string literal.</entry>
+ </row>
+
+ <row>
<entry><type>opaque</></entry>
- <entry>An obsolete type name that formerly served all the above purposes.</entry>
+ <entry>An obsolete type name that formerly served many of the above
+ purposes.</entry>
</row>
</tbody>
</tgroup>