I have a simple table to store account names... I want each name to be
unique in a case insensitive manner... but I want the case the user
enters to be remembered so I can't do a simple lower() on the data's way in.
Is there an easy way to go about this? Am I about to write my first
server side function for postgresql?
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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
