Re: Row pattern recognition

Op 9/22/23 om 10:23 schreef Erik Rijkers:
> Op 9/22/23 om 07:16 schreef Tatsuo Ishii:
>>> Attached is the fix against v6 patch. I will include this in upcoming
>>> v7 patch.
>>
>> Attached is the v7 patch. It includes the fix mentioned above.  Also
> (Champion's address bounced; removed)
>

Sorry, I forgot to re-attach the regression.diffs with resend...

Erik

> Hi,
>
> In my hands, make check fails on the rpr test; see attached .diff file.
> In these two statements:
> -- using NEXT
> -- using AFTER MATCH SKIP TO NEXT ROW
>   result of first_value(price) and next_value(price) are empty.
>
> Erik Rijkers
>
>
>> this time the pattern matching engine is enhanced: previously it
>> recursed to row direction, which means if the number of rows in a
>> frame is large, it could exceed the limit of stack depth.  The new
>> version recurses over matched pattern variables in a row, which is at
>> most 26 which should be small enough.
>>
>> Best reagards,
>> --
>> Tatsuo Ishii
>> SRA OSS LLC
>> English: http://www.sraoss.co.jp/index_en/
>> Japanese:http://www.sraoss.co.jp
>
>