#1064 - Query table alias not used in update() or delete() queries

src/main/java/io/ebeaninternal/server/query/CQueryBuilder.java

@@ -142,7 +142,13 @@ class CQueryBuilder {
 
   private <T> String buildUpdateSql(OrmQueryRequest<T> request, String rootTableAlias, CQueryPredicates predicates, SqlTree sqlTree) {
 
-    String updateClause = "update " + request.getBeanDescriptor().getBaseTable() + " set " + predicates.getDbUpdateClause();
+    StringBuilder sb = new StringBuilder(200);
+    sb.append("update ").append(request.getBeanDescriptor().getBaseTable());
+    if (rootTableAlias != null) {
+      sb.append(" ").append(rootTableAlias);
+    }
+    sb.append(" set ").append(predicates.getDbUpdateClause());
+    String updateClause = sb.toString();
 
     if (!sqlTree.isIncludeJoins()) {
       // simple - update table set ... where ...

src/test/java/io/ebean/UpdateQueryTest.java

@@ -29,6 +29,23 @@ public class UpdateQueryTest extends BaseTestCase {
     assertThat(query.getGeneratedSql()).contains("update o_customer set status=?, updtime=? where status = ?  and id > ?");
   }
 
+  @Test
+  public void withTableAlias() {
+
+    EbeanServer server = server();
+    UpdateQuery<Customer> update = server.update(Customer.class);
+    Query<Customer> query = update
+      .set("status", Customer.Status.ACTIVE)
+      .set("updtime", new Timestamp(System.currentTimeMillis()))
+      .where()
+      .gt("id", 1000)
+      .query();
+
+    query.alias("cust");
+    query.update();
+
+    assertThat(query.getGeneratedSql()).contains("update o_customer cust set status=?, updtime=? where id > ?");
+  }
 
   @Test
   public void withJoin() {