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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Danilo Fortunato <danilo.fortunato.2@gmail.com>
cc: pgsql-docs@postgresql.org
Subject: Re: What is the meaning of the N string operator ?
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Comments: In-reply-to Danilo Fortunato <danilo.fortunato.2@gmail.com>
 message dated "Sun, 07 Jun 2015 22:44:18 +0200"
Date: Sun, 07 Jun 2015 17:37:21 -0400
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Danilo Fortunato <danilo.fortunato.2@gmail.com> writes:
> Can anybody explain the meaning of the N string operator ?

The SQL standard says that N'foo' is a literal of the data type NATIONAL
CHARACTER.  PG supports this syntax (and the type name) but treats it the
same as plain character/varchar.

> Is there a section in the PostgreSQL documentation that describes it ?

I don't see it offhand.  I think it's pretty much useless/deprecated
anyway so I'm not sure it's worth documenting.

			regards, tom lane


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