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Add support for dynamic formula with includes

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e.g.

DB.find(ChildPerson.class)
  .select("name, coalesce(someBean, parent.someBean) as effectiveBean") // include parent
  .findList();
This commit is contained in:
Rob Bygrave
2023-03-25 15:49:17 +13:00
parent 7feb193e95
commit 55d7eb55d2
5 changed files with 78 additions and 6 deletions
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ebean-test/src/test/java/org/tests/family/TestInheritance.java
+55 -2
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@@ -1,9 +1,10 @@
package org.tests.family;
import io.ebean.xtest.BaseTestCase;
import io.ebean.DB;
import io.ebean.xtest.IgnorePlatform;
import io.ebean.annotation.Platform;
import io.ebean.test.LoggedSql;
import io.ebean.xtest.BaseTestCase;
import io.ebean.xtest.IgnorePlatform;
import io.ebeaninternal.server.deploy.BeanDescriptor;
import io.ebeaninternal.server.deploy.BeanProperty;
import io.ebeaninternal.server.deploy.BeanPropertyAssocOne;
@@ -13,6 +14,11 @@ import org.tests.model.family.ChildPerson;
import org.tests.model.family.GrandParentPerson;
import org.tests.model.family.ParentPerson;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.*;
@@ -97,6 +103,10 @@ public class TestInheritance extends BaseTestCase {
server().save(grandparent1);
testMyDynamicFormulaWithIncludes();
testMyDynamicFormulaWithIncludesAndFetchJoin();
// Test setup complete, so retrieve bean from db
//grandparent1 = server().find(GrandParentPerson.class).setId(grandparent1.getIdentifier()).where()
// .in("effectiveBean.id",2,null) // geht nicht!
@@ -222,6 +232,49 @@ public class TestInheritance extends BaseTestCase {
DB.find(EBasic.class).delete();
}
private void testMyDynamicFormulaWithIncludes() {
LoggedSql.start();
List<ChildPerson> children = DB.find(ChildPerson.class)
.select("name, coalesce(someBean, parent.someBean) as effectiveBean") // include parent
.findList();
Map<String,EBasic> childToBasic = new HashMap<>();
for (ChildPerson child : children) {
childToBasic.put(child.getName(), child.getEffectiveBean());
}
assertThat(childToBasic.get("Fred").getName()).isEqualTo("An other Bean");
assertThat(childToBasic.get("Julia").getName()).isEqualTo("A Bean");
assertThat(childToBasic.get("Roland")).isNull();
List<String> sql = LoggedSql.stop();
assertThat(sql).hasSize(2);
assertThat(sql.get(0)).contains("select t0.identifier, t0.name, coalesce(t0.some_bean_id, t1.some_bean_id) effectiveBean from child_person t0 left join parent_person t1 on t1.identifier = t0.parent_identifier");
assertThat(sql.get(1)).contains("select t0.id, t0.status, t0.name, t0.description, t0.some_date from e_basic t0 where t0.id");
}
private void testMyDynamicFormulaWithIncludesAndFetchJoin() {
LoggedSql.start();
List<ChildPerson> children = DB.find(ChildPerson.class)
.select("name, coalesce(someBean, parent.someBean) as effectiveBean") // include parent
.fetch("parent", "name, familyName")
.findList();
Map<String,EBasic> childToBasic = new HashMap<>();
for (ChildPerson child : children) {
childToBasic.put(child.getName(), child.getEffectiveBean());
}
assertThat(childToBasic.get("Fred").getName()).isEqualTo("An other Bean");
assertThat(childToBasic.get("Julia").getName()).isEqualTo("A Bean");
assertThat(childToBasic.get("Roland")).isNull();
List<String> sql = LoggedSql.stop();
assertThat(sql).hasSize(2);
assertThat(sql.get(0)).contains("select t0.identifier, t0.name, coalesce(t0.some_bean_id, t1.some_bean_id) effectiveBean, t1.identifier, t1.name, t1.family_name from child_person t0 left join parent_person t1 on t1.identifier = t0.parent_identifier");
assertThat(sql.get(1)).contains("select t0.id, t0.status, t0.name, t0.description, t0.some_date from e_basic t0 where t0.id");
}
@Test
public void testFindCount() {
EBasic basicA = new EBasic();