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| "rawSql": "-- Metric 2: median lead time for changes\nwith _pr_stats as (\n-- get the cycle time of PRs deployed by the deployments finished in the selected period\n\tSELECT\n\t\tdistinct pr.id,\n\t\tppm.pr_cycle_time\n\tFROM\n\t\tpull_requests pr \n\t\tjoin project_pr_metrics ppm on ppm.id = pr.id\n\t\tjoin project_mapping pm on pr.base_repo_id = pm.row_id and pm.`table` = 'repos'\n\t\tjoin cicd_deployment_commits cdc on ppm.deployment_commit_id = cdc.id\n\tWHERE\n\t pm.project_name in (${project}) \n\t\tand pr.merged_date is not null\n\t\tand ppm.pr_cycle_time is not null\n\t\tand $__timeFilter(cdc.finished_date)\n),\n\n_median_change_lead_time_ranks as(\n\tSELECT *, percent_rank() over(order by pr_cycle_time) as ranks\n\tFROM _pr_stats\n),\n\n_median_change_lead_time as(\n-- use median PR cycle time as the median change lead time\n\tSELECT max(pr_cycle_time) as median_change_lead_time\n\tFROM _median_change_lead_time_ranks\n\tWHERE ranks <= 0.5\n)\n\nSELECT \n\t-- median_change_lead_time/24 as 'median_change_lead_time_in_hours',\n\tCOUNT(distinct id) as \"PRs associated with deployments\"\nFROM _median_change_lead_time, _pr_stats\n-- group by 1", |
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