Re: Re: GIST question

> I did look at the code inside the tests.  The first was to decide if it
> was suppose to look in pg_attribute for the byvalue flag.  The last two
> controlled the if gistentryinit() was called.  No idea what that is
> because the variable names are single letters.  Gistentryinit() is:
>
> #define gistentryinit(e, pr, r, pg, o, b, l)\
>   do {(e).pred = pr; (e).rel = r; (e).page = pg; (e).offset = o; (e).bytes = b;
>  (e).leafkey = l;} while (0)
>
> I have to say I have no idea how pg_index.indhaskeytype is related to
> gistentryinit().

I figured out part of it.   gistentryinit() is related to compressFn and
decompressFn in its calls.  It seems they wanted to disable those calls
when haskeytype was false.

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  Bruce Momjian                        |  http://candle.pha.pa.us
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