On Nov 25, 2005, at 16:37 , Michael Glaesemann wrote:
Tom's suggestion of NOT (a DISTINCT FROM b) is really cool.
Even cooler if I spell it correctly: NOT (a IS DISTINCT FROM b)
Michael Glaesemann
grzm myrealbox com
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
