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Caching 2020 SQL updates #1580

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merged 2 commits into from
Nov 29, 2020
Merged

Caching 2020 SQL updates #1580

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80c2ff0
Revised variant of query as per chapter.
raghuramakrishnan71 Nov 26, 2020
b9dc2e8
Included review comments.
raghuramakrishnan71 Nov 29, 2020
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52 changes: 52 additions & 0 deletions sql/2020/20_Caching/resource_age_party_and_type_wise_groups.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,52 @@
#standardSQL
# Age of resources party, type wise in groups.
CREATE TEMPORARY FUNCTION toTimestamp(date_string STRING)
RETURNS INT64 LANGUAGE js AS '''
try {
var timestamp = Math.round(new Date(date_string).getTime() / 1000);
return isNaN(timestamp) || timestamp < 0 ? null : timestamp;
} catch (e) {
return null;
}
''';

SELECT
client,
party,
resource_type,
COUNT(0) as requests_total,
COUNTIF(age_weeks IS NOT NULL) AS requests_with_age,
COUNTIF(age_weeks < 0) AS age_neg,
COUNTIF(age_weeks = 0) AS age_0wk,
COUNTIF(age_weeks >= 1 AND age_weeks <= 7) AS age_1_to_7wk,
COUNTIF(age_weeks >= 8 AND age_weeks <= 52) AS age_8_to_52wk,
COUNTIF(age_weeks >= 53 AND age_weeks <= 104) AS age_gt_1y,
COUNTIF(age_weeks >= 105) AS age_gt_2y,
SAFE_DIVIDE(COUNTIF(age_weeks < 0), COUNTIF(age_weeks IS NOT NULL)) AS age_neg_pct,
SAFE_DIVIDE(COUNTIF(age_weeks = 0), COUNTIF(age_weeks IS NOT NULL)) AS age_0wk_pct,
SAFE_DIVIDE(COUNTIF(age_weeks >= 1 AND age_weeks <= 7), COUNTIF(age_weeks IS NOT NULL)) AS age_1_to_7wk_pct,
SAFE_DIVIDE(COUNTIF(age_weeks >= 8 AND age_weeks <= 52), COUNTIF(age_weeks IS NOT NULL)) AS age_8_to_52wk_pct,
SAFE_DIVIDE(COUNTIF(age_weeks >= 53 AND age_weeks <= 104), COUNTIF(age_weeks IS NOT NULL)) AS age_gt_1y_pct,
SAFE_DIVIDE(COUNTIF(age_weeks >= 105), COUNTIF(age_weeks IS NOT NULL)) AS age_gt_2y_pct
FROM
(
SELECT
_TABLE_SUFFIX AS client,
IF(NET.HOST(url) IN (
SELECT domain FROM `httparchive.almanac.third_parties` WHERE date = '2020-08-01' AND category != 'hosting'
), 'third party', 'first party') AS party,
type AS resource_type,
ROUND((startedDateTime - toTimestamp(resp_last_modified)) / (60 * 60 * 24 * 7)) AS age_weeks
FROM
`httparchive.summary_requests.2020_08_01_*`
WHERE
TRIM(resp_last_modified) <> ""
)
GROUP BY
client,
party,
resource_type
ORDER BY
client,
party,
resource_type