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

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