stmt.getTableElementList().add(idx);
} else if (lexer.token() == (Token.KEY)) {
stmt.getTableElementList().add(parseConstraint());
} else if (lexer.token() == (Token.PRIMARY)) {
SQLTableConstaint pk = parseConstraint();
pk.setParent(stmt);
stmt.getTableElementList().add(pk);
} else if (lexer.token() == (Token.FOREIGN)) {
SQLForeignKeyConstraint fk = this.getExprParser().parseForeignKey();
fk.setParent(stmt);
stmt.getTableElementList().add(fk);