"Anton Fedorov" <[EMAIL PROTECTED]> writes: > Looks like COPY bypass rules 'ON INSERT INSTEAD'.
That's the documented behavior. We're unlikely to change it because
it'd slow COPY down substantially, which'd negate its main use of being
a bulk data loading mechanism.
regards, tom lane
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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
