Jaime Casanova <ja...@2ndquadrant.com> writes:
> On Thu, May 13, 2010 at 10:52 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
>> Actually, the lexer translates N'foo' to NCHAR 'foo' and then the
>> grammar treats that just like CHAR 'foo'. Â In short, the N doesn't do
>> anything very useful, and it certainly doesn't have any effect on
>> encoding behavior. Â I think this is something Tom Lockhart put in ten or
>> so years back, and never got as far as making it actually do anything
>> helpful.
> so, the N'' syntax is fine and i don't need to hunt them as a migration step?
As long as the implied cast to char(n) doesn't cause you problems, it's
fine.
regards, tom lane
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