#1100 - Refactor OrmQueryPlanKey to use string expression for where

src/main/java/io/ebeaninternal/api/SpiExpression.java

@@ -48,18 +48,13 @@ public interface SpiExpression extends Expression {
    * from an AutoTune perspective and get different tuning.
    * </p>
    */
-  void queryPlanHash(HashQueryPlanBuilder builder);
+  void queryPlanHash(StringBuilder builder);
 
   /**
    * Return the hash value for the values that will be bound.
    */
   int queryBindHash();
 
-  /**
-   * Return true if the expression is the same without taking into account bind values.
-   */
-  boolean isSameByPlan(SpiExpression other);
-
   /**
    * Return true if the expression is the same with respect to bind values.
    */