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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>
101 lines
3.0 KiB
TypeScript
101 lines
3.0 KiB
TypeScript
import { describe, it, expect, vi } from 'vitest'
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import { classifyQuery } from './useQueryInsightsIssues.utils'
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import type { QueryPerformanceRow } from '../../QueryPerformance/QueryPerformance.types'
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vi.mock('../../QueryPerformance/IndexAdvisor/index-advisor.utils', () => ({
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hasIndexRecommendations: vi.fn(),
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}))
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import { hasIndexRecommendations } from '../../QueryPerformance/IndexAdvisor/index-advisor.utils'
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const baseRow: QueryPerformanceRow = {
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query: 'SELECT * FROM users',
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calls: 10,
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mean_time: 50,
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min_time: 10,
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max_time: 200,
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total_time: 500,
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prop_total_time: 5,
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rows_read: 100,
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cache_hit_rate: 1,
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rolname: 'postgres',
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application_name: 'test',
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index_advisor_result: null,
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_total_cache_hits: 0,
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_total_cache_misses: 0,
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}
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describe('classifyQuery', () => {
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it('returns error when index_advisor_result has errors', () => {
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const row = {
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...baseRow,
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index_advisor_result: {
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errors: ['some error'],
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index_statements: [],
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startup_cost_before: 0,
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startup_cost_after: 0,
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total_cost_before: 0,
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total_cost_after: 0,
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},
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}
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const result = classifyQuery(row)
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expect(result.issueType).toBe('error')
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expect(result.hint).toBe('some error')
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})
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it('returns index when hasIndexRecommendations is true', () => {
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vi.mocked(hasIndexRecommendations).mockReturnValue(true)
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const row = {
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...baseRow,
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index_advisor_result: {
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errors: [],
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index_statements: ['CREATE INDEX ...'],
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startup_cost_before: 0,
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startup_cost_after: 0,
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total_cost_before: 0,
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total_cost_after: 0,
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},
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}
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const result = classifyQuery(row)
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expect(result.issueType).toBe('index')
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expect(result.hint).toContain('Missing index')
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vi.mocked(hasIndexRecommendations).mockReset()
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})
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it('returns slow when mean_time exceeds threshold', () => {
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vi.mocked(hasIndexRecommendations).mockReturnValue(false)
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const row = { ...baseRow, mean_time: 300 }
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const result = classifyQuery(row)
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expect(result.issueType).toBe('slow')
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expect(result.hint).toBe('Abnormally slow query detected')
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vi.mocked(hasIndexRecommendations).mockReset()
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})
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it('returns null issue for healthy queries', () => {
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vi.mocked(hasIndexRecommendations).mockReturnValue(false)
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const row = { ...baseRow, mean_time: 50 }
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const result = classifyQuery(row)
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expect(result.issueType).toBeNull()
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expect(result.hint).toBe('')
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vi.mocked(hasIndexRecommendations).mockReset()
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})
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it('errors take priority over index recommendations', () => {
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vi.mocked(hasIndexRecommendations).mockReturnValue(true)
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const row = {
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...baseRow,
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index_advisor_result: {
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errors: ['critical error'],
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index_statements: ['CREATE INDEX ...'],
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startup_cost_before: 0,
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startup_cost_after: 0,
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total_cost_before: 0,
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total_cost_after: 0,
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},
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}
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const result = classifyQuery(row)
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expect(result.issueType).toBe('error')
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vi.mocked(hasIndexRecommendations).mockReset()
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})
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})
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