{"record":{"id":"5ab2876dea26cb05","repo":"vxcontrol/pentagi","slug":"failed-to-delete-provider-w","errorCode":null,"errorMessage":"failed to delete provider: %w","messagePattern":"failed to delete provider: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"backend/pkg/providers/providers.go","lineNumber":826,"sourceCode":"\t}\n\n\treturn result, nil\n}\n\nfunc (pc *providerController) DeleteProvider(\n\tctx context.Context,\n\tuserID int64,\n\tprvID int64,\n) (database.Provider, error) {\n\tctx, span := obs.Observer.NewSpan(ctx, obs.SpanKindInternal, \"providers.DeleteProvider\")\n\tdefer span.End()\n\n\tresult, err := pc.db.DeleteUserProvider(ctx, database.DeleteUserProviderParams{\n\t\tID:     prvID,\n\t\tUserID: userID,\n\t})\n\tif err != nil {\n\t\treturn result, fmt.Errorf(\"failed to delete provider: %w\", err)\n\t}\n\n\treturn result, nil\n}\n\nfunc (pc *providerController) TestAgent(\n\tctx context.Context,\n\tprvtype provider.ProviderType,\n\tagentType pconfig.ProviderOptionsType,\n\tconfig *pconfig.AgentConfig,\n) (tester.AgentTestResults, error) {\n\tctx, span := obs.Observer.NewSpan(ctx, obs.SpanKindInternal, \"providers.TestAgent\")\n\tdefer span.End()\n\n\tvar result tester.AgentTestResults\n\n\t// Create provider config with single agent configuration\n\ttestConfig := &pconfig.ProviderConfig{}","sourceCodeStart":808,"sourceCodeEnd":844,"githubUrl":"https://github.com/vxcontrol/pentagi/blob/ea665308baaff015b226f308438a68d929d0f29b/backend/pkg/providers/providers.go#L808-L844","documentation":"DeleteProvider removes the provider row owned by (ID, UserID) via pc.db.DeleteUserProvider. Any database error is wrapped as \"failed to delete provider: %w\". Note this path only fails on DB errors — deleting a non-existent row typically succeeds with 0 affected rows rather than erroring, depending on the SQLC query.","triggerScenarios":"Calling DeleteProvider with a DB connection failure, foreign-key restriction (provider still referenced), or other SQL error.","commonSituations":"Postgres unavailable; a foreign key from flows/logs referencing the provider blocks deletion (if a RESTRICT constraint exists); transient network error to the database.","solutions":["Inspect the wrapped error for a foreign-key/constraint violation message","Delete or reassign dependent rows (flows, logs) that reference the provider first","Retry on transient connection errors with backoff","Verify DB connectivity and pool status"],"exampleFix":"// before\n_, err := ctrl.DeleteProvider(ctx, userID, prvID) // FK violation\n// after\nif err := deleteDependentRecords(ctx, userID, prvID); err != nil {\n    return err\n}\n_, err = ctrl.DeleteProvider(ctx, userID, prvID)","handlingStrategy":"try-catch","validationCode":"// no pre-call validation applies; at most confirm existence\nif _, err := db.GetUserProvider(ctx, database.GetUserProviderParams{ID: prvID, UserID: userID}); err != nil {\n    return err\n}","typeGuard":null,"tryCatchPattern":"result, err := ctrl.DeleteProvider(ctx, userID, prvID)\nif err != nil {\n    if isForeignKeyViolation(err) {\n        return fmt.Errorf(\"provider is still referenced by flows; reassign or delete them first: %w\", err)\n    }\n    return err\n}","preventionTips":["Check for dependent records (flows, logs) referencing the provider before delete","Use ON DELETE SET NULL/CASCADE or explicit cleanup for FK references","Retry transient connection errors with backoff","Treat 'not found' as idempotent success in delete endpoints"],"tags":["database","postgres","delete"],"backgroundTag":"database-delete-failed","analyzedSha":"ea665308baaff015b226f308438a68d929d0f29b","analyzedAt":"2026-09-01T14:16:31.421Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}