Expose Conn.Config() and Pool.Config().

pgxpool/pool.go

@@ -69,7 +69,7 @@ func (cr *connResource) getPoolRows(c *Conn, r pgx.Rows) *poolRows {
 
 type Pool struct {
 	p                 *puddle.Pool
-	connString        string
+	config            *Config
 	afterConnect      func(context.Context, *pgx.Conn) error
 	beforeAcquire     func(context.Context, *pgx.Conn) bool
 	afterRelease      func(*pgx.Conn) bool
@@ -142,7 +142,7 @@ func ConnectConfig(ctx context.Context, config *Config) (*Pool, error) {
 	}
 
 	p := &Pool{
-		connString:        config.ConnConfig.ConnString,
+		config:            config,
 		afterConnect:      config.AfterConnect,
 		beforeAcquire:     config.BeforeAcquire,
 		afterRelease:      config.AfterRelease,
@@ -372,7 +372,10 @@ func (p *Pool) AcquireAllIdle(ctx context.Context) []*Conn {
 }
 
 // ConnString returns the connection string that was used to initialize this pool.
-func (p *Pool) ConnString() string { return p.connString }
+func (p *Pool) ConnString() string { return p.config.ConnConfig.ConnString() }
+
+// Config returns config that was used to initialize this pool.
+func (p *Pool) Config() *Config { return p.config }
 
 func (p *Pool) Stat() *Stat {
 	return &Stat{s: p.p.Stat()}

pgxpool/pool_test.go

@@ -14,10 +14,21 @@ import (
 
 func TestConnect(t *testing.T) {
 	t.Parallel()
-	connStr := os.Getenv("PGX_TEST_DATABASE")
-	pool, err := pgxpool.Connect(context.Background(), connStr)
+	connString := os.Getenv("PGX_TEST_DATABASE")
+	pool, err := pgxpool.Connect(context.Background(), connString)
 	require.NoError(t, err)
-	assert.Equal(t, connStr, pool.ConnString())
+	assert.Equal(t, connString, pool.ConnString())
+	pool.Close()
+}
+
+func TestConnectConfig(t *testing.T) {
+	t.Parallel()
+	connString := os.Getenv("PGX_TEST_DATABASE")
+	config, err := pgxpool.ParseConfig(connString)
+	require.NoError(t, err)
+	pool, err := pgxpool.ConnectConfig(context.Background(), config)
+	require.NoError(t, err)
+	assert.Equal(t, config, pool.Config())
 	pool.Close()
 }