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Re: subqueries and qualification of table names

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Kevin Murphy <murphy@xxxxxxxxxxxxxxx> writes:
> ... In the following query, PG treats the phrase "and chromosome 
> = chromosome" as "and genetic.chromosome = genetic.chromosome".

And that surprises you why?

			regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
      joining column's datatypes do not match

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