Re: Row pattern recognition

Hi Henson,

> Hi Tatsuo,
>
> Attached are two more incremental patches (nocfbot-0011, nocfbot-0012)
> on top of v43, continuing the nocfbot-0001..0010 series.
>
> nocfbot-0011: Add RPR DEFINE expression cost to WindowAgg cost estimation
>
> Revised version of your cost estimation patch [1]. Fixes the
> `(char *)` cast and moves DEFINE cost outside the windowFuncs loop.
>
> nocfbot-0012: Reject qualified column references in RPR DEFINE clause
>
> Revised version of your qualified column reference patch [2].
> Exposes `patternVarNames` via `ParseState.p_rpr_pattern_vars` to
> distinguish pattern variable qualifiers ("not supported") from
> FROM-clause range variable qualifiers ("not allowed").
>
> Variables appearing only in DEFINE (not in PATTERN) are also
> collected into `p_rpr_pattern_vars` so they get the "not supported"
> message, but the RPR_VARID_MAX count check still applies only to
> PATTERN variables.
>
> [1]
> https://www.postgresql.org/message-id/20260227.225456.33226875991025537.ishii@postgresql.org
> [2]
> https://www.postgresql.org/message-id/20260227.145539.1921177948671828231.ishii@postgresql.org
>
> Attachment:
> nocfbot-0011-define-cost.txt
> nocfbot-0012-qualified-refs.txt

Thanks. I will try them out. Once they look good, shall I release v44
patch sets? Or do you have a plan to add more patches?

Best regards,
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp