weichenandCursor
33ee59641f
Keep item revisions and edge decisions as records, and refuse to treat a missing index as no impact. Co-authored-by: Cursor <cursoragent@cursor.com>
29 lines
714 B
Go
29 lines
714 B
Go
package traceimpact
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import (
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"context"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// Open uses the record tables when migration 00059 is present.
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// Before that migration, it keeps an in-memory ledger so the process can still boot.
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func Open(pool *pgxpool.Pool) *Service {
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if pool == nil {
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return NewMemoryService()
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}
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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var exists bool
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err := pool.QueryRow(ctx, `
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SELECT EXISTS (
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SELECT 1 FROM information_schema.tables
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WHERE table_schema = 'public' AND table_name = 'project_trace_items'
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)`).Scan(&exists)
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if err != nil || !exists {
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return NewMemoryService()
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}
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return NewService(newPGStore(pool))
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}
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