Provide these as deprecated for a short while to preserve binary compatibility

for Samsara apps.

src/java/com/samskivert/depot/Exps.java

@@ -21,6 +21,8 @@
 package com.samskivert.depot;
 
 import com.samskivert.depot.expression.*;
+import com.samskivert.depot.function.AggregateFun;
+import com.samskivert.depot.function.NumericalFun;
 
 /**
  * Provides static methods for expression construction. For example: {@link #literal}, {@link
@@ -101,4 +103,43 @@ public class Exps
     {
         return new EpochSeconds(expr);
     }
+
+    /**
+     * Creates an expression that computes the sum of the supplied expression. This would usually
+     * be used in a FieldOverride and supplied with a ColumnExp.
+     */
+    @Deprecated
+    public static AggregateFun.Sum sum (SQLExpression expr)
+    {
+        return new AggregateFun.Sum(expr);
+    }
+
+    /**
+     * Creates an expression that computes the absolute value of the supplied expression.
+     */
+    @Deprecated
+    public static NumericalFun.Abs abs (SQLExpression expr)
+    {
+        return new NumericalFun.Abs(expr);
+    }
+
+    /**
+     * Creates an expression that counts the number of rows that match the supplied expression.
+     * This would usually be used in a FieldOverride and supplied with a ColumnExp.
+     */
+    @Deprecated
+    public static AggregateFun.Count count (SQLExpression expr)
+    {
+        return new AggregateFun.Count(expr, false);
+    }
+
+    /**
+     * Creates an expression that counts the number of distinct values that match the supplied
+     * expression. This would usually be used in a FieldOverride and supplied with a ColumnExp.
+     */
+    @Deprecated
+    public static AggregateFun.Count countDistinct (SQLExpression expr)
+    {
+        return new AggregateFun.Count(expr, true);
+    }
 }