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Cache additional routes: people/by-year and people/by-name#471

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windauer merged 1 commit intoHistoryAtState:masterfrom
line-o:feat/people-caching
Jan 22, 2025
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Cache additional routes: people/by-year and people/by-name#471
windauer merged 1 commit intoHistoryAtState:masterfrom
line-o:feat/people-caching

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@line-o line-o commented Jan 20, 2025

@line-o line-o requested review from joewiz and windauer and removed request for joewiz January 20, 2025 13:04
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line-o commented Jan 22, 2025

@joewiz I just did a small test in docker and all three implementations of the function did perform equally well:

That means we can choose the one that is most readable to us. As I prefer the first one and I think you do too this is the one I changed it to.

declare variable $local:POCOM_PEOPLE_COL := '/db/apps/pocom/people';

declare function local:pocom-people-last-modified() as xs:dateTime {
    collection($local:POCOM_PEOPLE_COL)//last-modified-date
    => sort() => reverse() => head() => concat("T00:00:00Z") => xs:dateTime()
};

declare function local:pocom-people-last-modified-2() as xs:dateTime {
    xs:dateTime(concat(
        head(reverse(sort(collection($local:POCOM_PEOPLE_COL)//last-modified-date))) ,"T00:00:00Z"))
};

declare function local:pocom-people-last-modified-3() as xs:dateTime {
    head(
        for $raw-date in collection($local:POCOM_PEOPLE_COL)//last-modified-date
        let $date := xs:dateTime($raw-date || "T00:00:00Z")
        order by $date descending
        return $date
    )
};

local:pocom-people-last-modified-2()

@line-o line-o requested a review from joewiz January 22, 2025 13:10
Use the last-modified-date metadatum in the relevant collection to calculate
the collection wide last modified date.
@line-o line-o force-pushed the feat/people-caching branch from 090b1d6 to d3e0fca Compare January 22, 2025 13:13
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joewiz commented Jan 22, 2025

@line-o Great! In that case, I agree that the 1st option is the most readable. Thank you!

@windauer windauer merged commit cf17eaa into HistoryAtState:master Jan 22, 2025
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3 participants