connection cfg pass through

go.mod

@@ -43,3 +43,5 @@ require (
 )
 
 go 1.23.3
+
+replace github.com/dolthub/vitess => /Users/neil/Documents/vitess

server/server.go

@@ -158,6 +158,8 @@ func newServerFromHandler(cfg Config, e *sqle.Engine, sm *SessionManager, handle
 		ConnReadTimeout:          cfg.ConnReadTimeout,
 		ConnWriteTimeout:         cfg.ConnWriteTimeout,
 		MaxConns:                 cfg.MaxConnections,
+		MaxWaitConns:             cfg.MaxWaitConnections,
+		MaxWaitConnsTimeout:      cfg.MaxWaitConnectionsTimeout,
 		ConnReadBufferSize:       mysql.DefaultConnBufferSize,
 		AllowClearTextWithoutTLS: cfg.AllowClearTextWithoutTLS,
 	}

server/server_config.go

@@ -57,6 +57,11 @@ type Config struct {
 	ConnWriteTimeout time.Duration
 	// MaxConnections is the maximum number of simultaneous connections that the server will allow.
 	MaxConnections uint64
+	// MaxWaitConnections is the maximum number of simultaneous connections that the server will allow to block waiting
+	// for a connection before new connections result in immediate rejection.
+	MaxWaitConnections uint32
+	// MaxWaitConnectionsTimeout is the maximum amount of time that a connection will block waiting for a connection
+	MaxWaitConnectionsTimeout time.Duration
 	// TLSConfig is the configuration for TLS on this server. If |nil|, TLS is not supported.
 	TLSConfig *tls.Config
 	// RequestSecureTransport will require incoming connections to be TLS. Requires non-|nil| TLSConfig.