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Commit69bae23

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doc: Clarify CREATE TYPE ENUM documentation
The documentation claimed that an enum type requires "one or more"labels, but since1fd9883, zero labels are also allowed.Reported-by: Lukas Eder <lukas.eder@gmail.com>Bug: #15356
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‎doc/src/sgml/ref/create_type.sgml

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@@ -117,9 +117,12 @@ CREATE TYPE <replaceable class="parameter">name</replaceable>
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<para>
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The second form of <command>CREATE TYPE</command> creates an enumerated
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(enum) type, as described in <xref linkend="datatype-enum"/>.
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Enum types take a list ofone or morequoted labels, each of which
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Enum types take a list of quoted labels, each of which
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must be less than <symbol>NAMEDATALEN</symbol> bytes long (64 bytes in a
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standard <productname>PostgreSQL</productname> build).
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standard <productname>PostgreSQL</productname> build). (It is possible to
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create an enumerated type with zero labels, but such a type cannot be used
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to hold values before at least one label is added using <xref
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linkend="sql-altertype"/>.)
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</para>
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</refsect2>
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