Fix for #206 - Reuse SqlUpdate when binding a list that can vary in size

src/test/java/com/avaje/ebeaninternal/api/BindParamsTest.java

@@ -0,0 +1,40 @@
+package com.avaje.ebeaninternal.api;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class BindParamsTest {
+
+  @Test
+  public void test_hash() {
+
+    BindParams bindParams = new BindParams();
+
+    List<String> ids = Arrays.asList("1", "2", "3");
+    bindParams.setParameter("ids", ids);
+    BindParams.Param param = bindParams.getParameter("ids");
+    assertEquals(3, param.queryBindCount());
+    assertFalse(bindParams.isSameBindHash());
+
+    List<String> ids2 = Arrays.asList("1", "2", "3", "4");
+    bindParams.setParameter("ids", ids2);
+    assertEquals(4, param.queryBindCount());
+    assertFalse(bindParams.isSameBindHash());
+
+    List<String> ids3 = Arrays.asList("2", "99", "44");
+    bindParams.setParameter("ids", ids3);
+    assertEquals(3, param.queryBindCount());
+    assertFalse(bindParams.isSameBindHash());
+
+
+    List<String> ids4 = Arrays.asList("4545", "3499", "3444");
+    bindParams.setParameter("ids", ids4);
+    assertEquals(3, param.queryBindCount());
+    assertTrue(bindParams.isSameBindHash());
+  }
+
+}