Bruce Momjian <pgman@candle.pha.pa.us> writes:
> I thought about this. Attached is a patch you can use to
> popen("pg_config") and then look for the thread flag to configure. One
> idea would be to add this sample to our libpq documentation. The
> problem with the example is popen() overhead, pg_config not in $PATH, or
> pg_config's version not matching libpq's version.
Yeah, the last point seems like a killer objection :-(. It'd be better
to add some sort of libpq function to handle the issue.
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
