Merge branch '192-pgx-prepared-statements' into 'master'

fix: disable prepared statements caching by default (#192)

Closes #192

See merge request postgres-ai/joe!183

Author: agneum

pkg/services/msgproc/dblab.go

@@ -184,6 +184,7 @@ func initConn(ctx context.Context, dblabClone models.Clone) (*pgxpool.Pool, *pgx
 
 	connectionConfig.MaxConnLifetime = maxConnLifetime
 	connectionConfig.MaxConnIdleTime = maxConnIdleTime
+	connectionConfig.ConnConfig.PreferSimpleProtocol = true
 
 	pool, err := pgxpool.ConnectConfig(context.Background(), connectionConfig)
 	if err != nil {