On 06/02/2011 03:28 AM, HuangQi wrote:
> Hi,
> I'm doing a hacking project which hacks the gram.y file and some
> other so that postgres can execute some query plan language to run a
> particular plan. I did some modifications and try run it. It compiled
> and installed successfully. But when I was trying to run a MergeJoin
> operation with keyword MERGEJOIN, it says "ERROR: syntax error at or
> near 'MERGEJOIN'". It seems postgres didn't recognize this keyword. Is
> it caused by any error inside gram.y? Or how can I trace this error?
>
>
Without seeing your grammar changes and the statement you're trying to
execute it's pretty much impossible to tell.
cheers
andrew