#355 - ENH: Add notIn(...) expressions. Just to make life easier in those cases

src/test/java/com/avaje/ebeaninternal/server/expression/InExpressionTest.java

@@ -0,0 +1,90 @@
+package com.avaje.ebeaninternal.server.expression;
+
+import com.avaje.ebeaninternal.api.HashQueryPlanBuilder;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class InExpressionTest {
+
+
+  @Test
+  public void queryPlanHash_given_diffPropertyName_should_differentPlanHash() throws Exception {
+
+    List<Integer> values = values(42, 92);
+
+    InExpression ex1 = new InExpression("foo", values, false);
+    InExpression ex2 = new InExpression("bar", values, false);
+
+    HashQueryPlanBuilder b1 = new HashQueryPlanBuilder();
+    ex1.queryPlanHash(null, b1);
+
+    HashQueryPlanBuilder b2 = new HashQueryPlanBuilder();
+    ex2.queryPlanHash(null, b2);
+
+    assertNotEquals(b1.build(), b2.build());
+  }
+
+  @Test
+  public void queryPlanHash_given_diffBindCount_should_differentPlanHash() throws Exception {
+
+    List<Integer> values1 = values(42, 92);
+    List<Integer> values2 = values(42, 92, 82);
+
+    InExpression ex1 = new InExpression("foo", values1, false);
+    InExpression ex2 = new InExpression("foo", values2, false);
+
+    HashQueryPlanBuilder b1 = new HashQueryPlanBuilder();
+    ex1.queryPlanHash(null, b1);
+
+    HashQueryPlanBuilder b2 = new HashQueryPlanBuilder();
+    ex2.queryPlanHash(null, b2);
+
+    assertNotEquals(b1.build(), b2.build());
+  }
+
+  @Test
+  public void queryPlanHash_given_diffNotFlag_should_differentPlanHash() throws Exception {
+
+    List<Integer> values = values(42, 92);
+
+    InExpression ex1 = new InExpression("foo", values, true);
+    InExpression ex2 = new InExpression("foo", values, false);
+
+    HashQueryPlanBuilder b1 = new HashQueryPlanBuilder();
+    ex1.queryPlanHash(null, b1);
+
+    HashQueryPlanBuilder b2 = new HashQueryPlanBuilder();
+    ex2.queryPlanHash(null, b2);
+
+    assertNotEquals(b1.build(), b2.build());
+  }
+
+  @Test
+  public void queryPlanHash_given_sameNotFlag_should_samePlanHash() throws Exception {
+
+    List<Integer> values = values(42, 92);
+
+    InExpression ex1 = new InExpression("foo", values, true);
+    InExpression ex2 = new InExpression("foo", values, true);
+
+    HashQueryPlanBuilder b1 = new HashQueryPlanBuilder();
+    ex1.queryPlanHash(null, b1);
+
+    HashQueryPlanBuilder b2 = new HashQueryPlanBuilder();
+    ex2.queryPlanHash(null, b2);
+
+    assertEquals(b1.build(), b2.build());
+  }
+
+  List<Integer> values(int... vals) {
+    ArrayList list = new ArrayList<Integer>();
+    for (int i = 0; i < vals.length; i++) {
+      list.add(vals[i]);
+    }
+    return list;
+  }
+}

src/test/java/com/avaje/tests/query/TestQueryAlias.java

@@ -10,8 +10,10 @@ import com.avaje.tests.model.basic.CKeyParent;
 import com.avaje.tests.model.basic.ResetBasicData;
 
 public class TestQueryAlias extends BaseTestCase {
+
   @Test
   public void testExists() {
+
     ResetBasicData.reset();
 
     Query<CKeyParent> sq = Ebean.createQuery(CKeyParent.class)
@@ -24,7 +26,6 @@ public class TestQueryAlias extends BaseTestCase {
 
     String sql = pq.getGeneratedSql();
 
-    System.out.println(sql);
     // Without alias command is should be:
     // select t0.one_key c0, t0.two_key c1, t0.name c2, t0.version c3, t0.assoc_id c4 from ckey_parent t0 where  (t0
     // .one_key) in (select t0.one_key from ckey_parent t0)
@@ -32,7 +33,34 @@ public class TestQueryAlias extends BaseTestCase {
     // select myt0.one_key c0, myt0.two_key c1, myt0.name c2, myt0.version c3, myt0.assoc_id c4 from ckey_parent myt0
     // where  (myt0.one_key) in (select st0.one_key from ckey_parent st0)
 
-    Assert.assertTrue(sql.indexOf("ckey_parent myt0") > 0);
-    Assert.assertTrue(sql.indexOf("in (select st0.one_key from ckey_parent st0)") > 0);
+    Assert.assertTrue(sql.contains("ckey_parent myt0"));
+    Assert.assertTrue(sql.contains("(myt0.one_key) in (select st0.one_key from ckey_parent st0)"));
   }
+
+  @Test
+  public void testNotExists() {
+
+    ResetBasicData.reset();
+
+    Query<CKeyParent> sq = Ebean.createQuery(CKeyParent.class)
+        .select("id.oneKey").alias("st0")
+        .setAutofetch(false).where().query();
+
+    Query<CKeyParent> pq = Ebean.find(CKeyParent.class).alias("myt0").where().notIn("id.oneKey", sq).query();
+
+    pq.findList();
+
+    String sql = pq.getGeneratedSql();
+
+    // Without alias command is should be:
+    // select t0.one_key c0, t0.two_key c1, t0.name c2, t0.version c3, t0.assoc_id c4 from ckey_parent t0 where  (t0
+    // .one_key) in (select t0.one_key from ckey_parent t0)
+    // but with alias command SQL should look like this:
+    // select myt0.one_key c0, myt0.two_key c1, myt0.name c2, myt0.version c3, myt0.assoc_id c4 from ckey_parent myt0
+    // where  (myt0.one_key) in (select st0.one_key from ckey_parent st0)
+
+    Assert.assertTrue(sql.contains("ckey_parent myt0"));
+    Assert.assertTrue(sql.contains("(myt0.one_key) not in (select st0.one_key from ckey_parent st0)"));
+  }
+
 }