SQL200n specifies a new qualifier on a TRUNCATE command

TRUNCATE TABLE foo
        [ CONTINUE IDENTITY | RESTART IDENTITY ]

CONTINUE IDENTITY is the default and does nothing, like now.

RESTART IDENTITY will reset the SERIAL sequences back to the original
start value.

Seems like a % project for the TODO list

-- 
  Simon Riggs
  2ndQuadrant  http://www.2ndQuadrant.com 

  PostgreSQL UK 2008 Conference: http://www.postgresql.org.uk


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