#1251 - Delete cascade with 11+ and Postgres throws exception

Failing test

src/test/java/org/tests/model/onetoone/OtoThMany.java

@@ -0,0 +1,32 @@
+package org.tests.model.onetoone;
+
+import org.tests.model.BaseModel;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.OneToOne;
+
+@Entity
+public class OtoThMany extends BaseModel {
+
+  String many;
+
+  @OneToOne(mappedBy = "many", cascade = CascadeType.ALL)
+  OtoThOne one;
+
+  public String getMany() {
+    return many;
+  }
+
+  public void setMany(String many) {
+    this.many = many;
+  }
+
+  public OtoThOne getOne() {
+    return one;
+  }
+
+  public void setOne(OtoThOne one) {
+    this.one = one;
+  }
+}

src/test/java/org/tests/model/onetoone/OtoThOne.java

@@ -0,0 +1,31 @@
+package org.tests.model.onetoone;
+
+import org.tests.model.BaseModel;
+
+import javax.persistence.Entity;
+import javax.persistence.OneToOne;
+
+@Entity
+public class OtoThOne extends BaseModel {
+
+  boolean one;
+
+  @OneToOne
+  OtoThMany many;
+
+  public boolean isOne() {
+    return one;
+  }
+
+  public void setOne(boolean one) {
+    this.one = one;
+  }
+
+  public OtoThMany getMany() {
+    return many;
+  }
+
+  public void setMany(OtoThMany many) {
+    this.many = many;
+  }
+}

src/test/java/org/tests/model/onetoone/OtoThTop.java

@@ -0,0 +1,33 @@
+package org.tests.model.onetoone;
+
+import org.tests.model.BaseModel;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.OneToMany;
+import java.util.List;
+
+@Entity
+public class OtoThTop extends BaseModel {
+
+  String top;
+
+  @OneToMany(cascade = CascadeType.ALL)
+  List<OtoThMany> manies;
+
+  public String getTop() {
+    return top;
+  }
+
+  public void setTop(String top) {
+    this.top = top;
+  }
+
+  public List<OtoThMany> getManies() {
+    return manies;
+  }
+
+  public void setManies(List<OtoThMany> manies) {
+    this.manies = manies;
+  }
+}

src/test/java/org/tests/model/onetoone/TestOneToOneManyDelete.java

@@ -0,0 +1,32 @@
+package org.tests.model.onetoone;
+
+import io.ebean.Ebean;
+import org.junit.Test;
+
+public class TestOneToOneManyDelete {
+
+  @Test
+  public void test() {
+
+    OtoThTop top = new OtoThTop();
+    top.setTop("top");
+    for (int i = 0; i < 4; i++) {
+
+      OtoThMany many = new OtoThMany();
+      many.setMany("many "+i);
+
+      OtoThOne one = new OtoThOne();
+      one.setOne(true);
+      one.setMany(many);
+
+      many.setOne(one);
+
+      top.getManies().add(many);
+    }
+
+    Ebean.save(top);
+
+    Ebean.delete(top);
+
+  }
+}