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differnce from ansi sql standard - unicode strings? - Mailing list pgsql-hackers

From Pavel Stehule
Subject differnce from ansi sql standard - unicode strings?
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Msg-id 162867790902161409gf483a4n3a815faaf11ea99a@mail.gmail.com
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Responses Re: differnce from ansi sql standard - unicode strings?  (Peter Eisentraut <peter_e@gmx.net>)
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Hello

I found BNF for SQL 2003 and I found there some small difference.
Standard use keyword ESCAPE, but PostgreSQL use keybord UESCAPE.

Anybody knows reason?
 <Unicode character string literal>    ::=        [ <introducer> <character set specification> ]        U <ampersand>
<quote>[ <Unicode representation> ... ] <quote>        [ { <separator> <quote> [ <Unicode representation> ... ] <quote>
}...]        [ ESCAPE <escape character> ]
 

thank you
Pavel Stehule

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