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<chapter id="datatype">
exists <emphasis>only</emphasis> for storage of internal catalog
names and is not intended for use by the general user. Its length
is currently defined as 64 bytes (63 usable characters plus terminator)
- but should be referenced using the macro
+ but should be referenced using the constant
<symbol>NAMEDATALEN</symbol>. The length is set at compile time
(and is therefore adjustable for special uses); the default
maximum length may change in a future release. The type
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PostgreSQL documentation
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<para>
The operator <replaceable class="parameter">name</replaceable>
- is a sequence of up to <symbol>NAMEDATALEN</>-1 (31 by default) characters
+ is a sequence of up to <symbol>NAMEDATALEN</>-1 (63 by default) characters
from the following list:
<literallayout>
+ - * / < > = ~ ! @ # % ^ & | ` ? $