GitLab

	* progmodes/sql.el: Bug fix
	(sql-get-login-ext): Save login values in globals.
	(sql-get-login): Use new version of `sql-get-login-ext'.
	(sql-interactive-mode): Set global `sql-connection' to nil.
	(sql-connect): Set global values for connection.
	(sql-product-interactive): Save global values as buffer local.