Tom Lane wrote:
I thought about restricting the scope of the TZ testing to start in 1990 or so to avoid this, but that seems certain to fall foul of the other problem, which is distinguishing closely-related timezones (cf Chris K-L discovering that he lives in Antarctica, a few days back...)
How about scanning backwards until you have <= 1 choice or decide to give up?
-O
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
