Expose limit/offset/distinct/having/group values as getter methods on Query for…

Expose limit/offset/distinct/having/group values as getter methods on Query for external TableEngine implementations

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

@@ -210,6 +210,13 @@ public abstract class Query extends Prepared {
         distinct = b;
     }
 
+    /**
+     * Exposed for external TableEngine implementations.
+     */
+    public boolean isDistinct() {
+        return this.distinct;
+    }
+    
     /**
      * Whether results need to support random access.
      *
@@ -479,10 +486,24 @@ public abstract class Query extends Prepared {
         this.offsetExpr = offset;
     }
 
+    /**
+     * Exposed for external TableEngine implementations.
+     */
+    public Expression getOffset() {
+        return this.offsetExpr;
+    }
+    
     public void setLimit(Expression limit) {
         this.limitExpr = limit;
     }
 
+    /**
+     * Exposed for external TableEngine implementations.
+     */
+    public Expression getLimit() {
+        return this.limitExpr;
+    }
+    
     /**
      * Add a parameter to the parameter list.
      *

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

@@ -127,6 +127,13 @@ public class Select extends Query {
         this.group = group;
     }
 
+    /**
+     * Exposed for external TableEngine implementations.
+     */
+    public ArrayList<Expression> getGroupBy() {
+        return this.group;
+    }
+    
     public HashMap<Expression, Object> getCurrentGroup() {
         return currentGroup;
     }
@@ -1086,6 +1093,13 @@ public class Select extends Query {
         this.having = having;
     }
 
+    /**
+     * Exposed for external TableEngine implementations.
+     */
+    public Expression getHaving() {
+        return this.having;
+    }
+    
     public int getColumnCount() {
         return visibleColumnCount;
     }