	this.exec = function(cmd, files, opts, dstHash) {
		if (cmd === 'open') {
			if (this.searchStatus.state || this.searchStatus.ininc) {
				this.trigger('searchend', { noupdate: true });
			}
			this.autoSync('stop');
		}
		return this._commands[cmd] && this.isCommandEnabled(cmd, dstHash) 
			? this._commands[cmd].exec(files, opts) 
			: $.Deferred().reject('No such command');
	};
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.