(ctx context.Context, uri string)
| 21 | } |
| 22 | |
| 23 | func (c *Cache) Open(ctx context.Context, uri string) (*pgxpool.Pool, error) { |
| 24 | if c.closed { |
| 25 | return nil, fmt.Errorf("poolcache is closed") |
| 26 | } |
| 27 | |
| 28 | c.lock.RLock() |
| 29 | existing, found := c.pools[uri] |
| 30 | c.lock.RUnlock() |
| 31 | |
| 32 | if found { |
| 33 | return existing, nil |
| 34 | } |
| 35 | |
| 36 | pool, err := pgxpool.New(ctx, uri) |
| 37 | if err != nil { |
| 38 | return nil, err |
| 39 | } |
| 40 | |
| 41 | c.lock.Lock() |
| 42 | c.pools[uri] = pool |
| 43 | c.lock.Unlock() |
| 44 | |
| 45 | return pool, nil |
| 46 | } |
| 47 | |
| 48 | func (c *Cache) Close() error { |
| 49 | c.lock.Lock() |
no outgoing calls