"insert into table default values" is invalid MySQL syntax (#1978)

* ADD: failing testcase for "insert into table default values;" is invalid MySql syntax

* FIX: "insert into table default values;" is invalid MySql syntax

src/test/java/org/tests/defaultvalues/ReferencedDefaultsModel.java

@@ -0,0 +1,44 @@
+package org.tests.defaultvalues;
+
+import io.ebean.annotation.Draft;
+import io.ebean.annotation.Draftable;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+@Draftable
+public class ReferencedDefaultsModel {
+
+  @Id
+  Integer id;
+
+  String name;
+
+  @Draft
+  boolean draft;
+
+  public Integer getId() {
+    return id;
+  }
+
+  public void setId(final Integer id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(final String name) {
+    this.name = name;
+  }
+
+  public boolean isDraft() {
+    return draft;
+  }
+
+  public void setDraft(final boolean draft) {
+    this.draft = draft;
+  }
+}