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## I have read the [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) file. YES ## What kind of change does this PR introduce? This introduces Query Insights. It's the first edition of possible future updates. This takes our old prototype and builds upon it for a more action driven insights view. --------- Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: Ali Waseem <waseema393@gmail.com>
24 lines
987 B
TypeScript
24 lines
987 B
TypeScript
import { useMemo } from 'react'
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import type { QueryPerformanceRow } from '../../QueryPerformance/QueryPerformance.types'
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export const useQueryInsightsMetrics = (data: QueryPerformanceRow[]) => {
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const avgP95 = useMemo(() => {
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const rows = data.filter((r) => (r.p95_time ?? 0) > 0)
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if (rows.length === 0) return 0
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return Math.round(rows.reduce((sum, r) => sum + (r.p95_time ?? 0), 0) / rows.length)
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}, [data])
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const totalCalls = useMemo(() => data.reduce((sum, r) => sum + r.calls, 0), [data])
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const totalRowsRead = useMemo(() => data.reduce((sum, r) => sum + r.rows_read, 0), [data])
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const cacheHitRate = useMemo(() => {
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const hits = data.reduce((sum, r) => sum + (r._total_cache_hits ?? 0), 0)
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const misses = data.reduce((sum, r) => sum + (r._total_cache_misses ?? 0), 0)
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const total = hits + misses
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return total > 0 ? ((hits / total) * 100).toFixed(2) + '%' : '–'
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}, [data])
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return { avgP95, totalCalls, totalRowsRead, cacheHitRate }
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}
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