In version 1.3.172, a performance regression was introduced...

h2/src/main/org/h2/command/dml/Query.java

@@ -393,9 +393,7 @@ public abstract class Query extends Prepared {
                         if (ec2 instanceof ExpressionColumn) {
                             ExpressionColumn c2 = (ExpressionColumn) ec2;
                             String ta = exprCol.getSQL();
-                            // exprCol.getTableAlias();
                             String tb = c2.getSQL();
-                            // getTableAlias();
                             String s2 = c2.getColumnName();
                             found = db.equalsIdentifiers(col, s2);
                             if (!db.equalsIdentifiers(ta, tb)) {
@@ -431,6 +429,7 @@ public abstract class Query extends Prepared {
                 expressionSQL.add(sql);
             }
             o.columnIndexExpr = ValueExpression.get(ValueInt.get(idx + 1));
+            o.expression = expressions.get(idx);
         }
     }
 

h2/src/main/org/h2/command/dml/Select.java

@@ -1128,14 +1128,6 @@ public class Select extends Query {
         if (condition != null) {
             condition.mapColumns(resolver, level);
         }
-        if (orderList != null) {
-            for (SelectOrderBy order : orderList) {
-                Expression e = order.expression;
-                if (e != null) {
-                    e.mapColumns(resolver, level);
-                }
-            }
-        }
     }
 
     @Override