Examples with MySqlOrderingExpr com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlOrderingExpr used on opensource projects

Example 6 with MySqlOrderingExpr

use of com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlOrderingExpr in project druid by alibaba.

the class WallVisitorUtils method checkSqlExpr.

public static boolean checkSqlExpr(SQLExpr x) {
    // check groupby, orderby, limit
    if (x == null) {
        return false;
    }
    SQLObject obj = x;
    for (; ; ) {
        SQLObject parent = obj.getParent();
        if (parent == null) {
            return false;
        }
        if (parent instanceof SQLSelectGroupByClause) {
            return true;
        } else if (parent instanceof SQLOrderBy) {
            return true;
        } else if (parent instanceof SQLLimit) {
            return true;
        } else if (parent instanceof MySqlOrderingExpr) {
            return true;
        }
        obj = parent;
    }
}