mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-27 02:27:18 +02:00
doc: Clarify CREATE TYPE ENUM documentation
The documentation claimed that an enum type requires "one or more"
labels, but since 1fd9883ff4
, zero labels are also allowed.
Reported-by: Lukas Eder <lukas.eder@gmail.com>
Bug: #15356
This commit is contained in:
parent
8af1511e9c
commit
390301ce63
@ -117,9 +117,12 @@ CREATE TYPE <replaceable class="parameter">name</replaceable>
|
||||
<para>
|
||||
The second form of <command>CREATE TYPE</command> creates an enumerated
|
||||
(enum) type, as described in <xref linkend="datatype-enum">.
|
||||
Enum types take a list of one or more quoted labels, each of which
|
||||
Enum types take a list of quoted labels, each of which
|
||||
must be less than <symbol>NAMEDATALEN</symbol> bytes long (64 bytes in a
|
||||
standard <productname>PostgreSQL</productname> build).
|
||||
standard <productname>PostgreSQL</productname> build). (It is possible to
|
||||
create an enumerated type with zero labels, but such a type cannot be used
|
||||
to hold values before at least one label is added using <xref
|
||||
linkend="sql-altertype">.)
|
||||
</para>
|
||||
</refsect2>
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user