}
public MySqlAlterUserStatement parseAlterUser() {
accept(Token.USER);
MySqlAlterUserStatement stmt = new MySqlAlterUserStatement();
for (;;) {
SQLExpr user = this.exprParser.expr();
acceptIdentifier("PASSWORD");
acceptIdentifier("EXPIRE");
stmt.getUsers().add(user);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
}