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Re: savepoint name vs prepared transaction name

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=?UTF-8?Q?Grzegorz_Ja=C5=9Bkiewicz?= <gryzman@xxxxxxxxx> writes:
> Is there any reason, why I can't put quotes around name of savepoint, but I
> have/can do this for prepare transaction ?

Savepoint names are identifiers; the SQL spec says so.  Prepared
transaction GIDs are string literals.  The relevant discussion
about that is here:
http://archives.postgresql.org/pgsql-hackers/2005-05/msg01292.php

We could conceivably allow an identifier too in PREPARE TRANSACTION,
but I think that that might be more dangerous than helpful, because
of the implicit case folding for identifiers.  'XX' and 'xx' are
distinct but XX and xx wouldn't be.  There are a few other places
where we allow strings and identifiers interchangeably, but AFAIR
they are all places where case doesn't matter.

			regards, tom lane

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