Create SQL schema for RdeRevision (#835)

* Create SQL schema for RdeRevision

* Split RdeRevision IDs into three separate DB fields as unified pkey

* Rename variable

* Merge remote-tracking branch 'origin/master' into rdeRevision

* Rename variable in one other location

* Implement no-op toDatastore/Sql for RdeRevision

* Responses to CR

* Merge remote-tracking branch 'origin/master' into rdeRevision

* Use a date for the date column

* Fix exception messages in tests

* Regen diagram to fix the test

* Use assignment in static factory methods

* Merge remote-tracking branch 'origin/master' into rdeRevision

core/src/main/java/google/registry/model/rde/RdeRevision.java

@@ -15,17 +15,32 @@
 package google.registry.model.rde;
 
 import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Verify.verify;
-import static com.google.common.base.Verify.verifyNotNull;
-import static google.registry.model.ofy.ObjectifyService.ofy;
 import static google.registry.model.rde.RdeNamingUtils.makePartialName;
 import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
 
 import com.google.common.base.VerifyException;
+import com.google.common.collect.ImmutableList;
+import com.googlecode.objectify.Key;
 import com.googlecode.objectify.annotation.Entity;
 import com.googlecode.objectify.annotation.Id;
+import com.googlecode.objectify.annotation.Ignore;
+import google.registry.model.BackupGroupRoot;
 import google.registry.model.ImmutableObject;
+import google.registry.model.rde.RdeRevision.RdeRevisionId;
+import google.registry.persistence.VKey;
+import google.registry.persistence.converter.LocalDateConverter;
+import google.registry.schema.replay.DatastoreEntity;
+import google.registry.schema.replay.SqlEntity;
+import java.io.Serializable;
+import java.util.Optional;
+import javax.persistence.Column;
+import javax.persistence.Convert;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.IdClass;
+import javax.persistence.Transient;
 import org.joda.time.DateTime;
+import org.joda.time.LocalDate;
 
 /**
  * Datastore entity for tracking RDE revisions.
@@ -35,32 +50,67 @@ import org.joda.time.DateTime;
  * flag is included in the generated XML.
  */
 @Entity
-public final class RdeRevision extends ImmutableObject {
+@javax.persistence.Entity
+@IdClass(RdeRevisionId.class)
+public final class RdeRevision extends BackupGroupRoot implements DatastoreEntity, SqlEntity {
 
   /** String triplet of tld, date, and mode, e.g. {@code soy_2015-09-01_full}. */
-  @Id
-  String id;
+  @Id @Transient String id;
+
+  @javax.persistence.Id @Ignore String tld;
+
+  @javax.persistence.Id @Ignore LocalDate date;
+
+  @javax.persistence.Id @Ignore RdeMode mode;
 
   /**
    * Number of last revision successfully staged to GCS.
    *
    * <p>This values begins at zero upon object creation and thenceforth incremented transactionally.
    */
+  @Column(nullable = false)
   int revision;
 
+  /** Hibernate requires an empty constructor. */
+  private RdeRevision() {}
+
+  public static RdeRevision create(
+      String id, String tld, LocalDate date, RdeMode mode, int revision) {
+    RdeRevision instance = new RdeRevision();
+    instance.id = id;
+    instance.tld = tld;
+    instance.date = date;
+    instance.mode = mode;
+    instance.revision = revision;
+    return instance;
+  }
+
   public int getRevision() {
     return revision;
   }
 
+  @Override
+  public ImmutableList<SqlEntity> toSqlEntities() {
+    return ImmutableList.of(); // we don't care about RdeRevision history
+  }
+
+  @Override
+  public ImmutableList<DatastoreEntity> toDatastoreEntities() {
+    return ImmutableList.of(); // we don't care about RdeRevision history
+  }
+
   /**
    * Returns next revision ID to use when staging a new deposit file for the given triplet.
    *
    * @return {@code 0} for first deposit generation and {@code >0} for resends
    */
   public static int getNextRevision(String tld, DateTime date, RdeMode mode) {
-    RdeRevision object =
-        ofy().load().type(RdeRevision.class).id(makePartialName(tld, date, mode)).now();
-    return object == null ? 0 : object.revision + 1;
+    String id = makePartialName(tld, date, mode);
+    RdeRevisionId sqlKey = RdeRevisionId.create(tld, date.toLocalDate(), mode);
+    Key<RdeRevision> ofyKey = Key.create(RdeRevision.class, id);
+    Optional<RdeRevision> revisionOptional =
+        tm().maybeLoad(VKey.create(RdeRevision.class, sqlKey, ofyKey));
+    return revisionOptional.map(rdeRevision -> rdeRevision.revision + 1).orElse(0);
   }
 
   /**
@@ -76,17 +126,56 @@ public final class RdeRevision extends ImmutableObject {
     checkArgument(revision >= 0, "Negative revision: %s", revision);
     String triplet = makePartialName(tld, date, mode);
     tm().assertInTransaction();
-    RdeRevision object = ofy().load().type(RdeRevision.class).id(triplet).now();
+    RdeRevisionId sqlKey = RdeRevisionId.create(tld, date.toLocalDate(), mode);
+    Key<RdeRevision> ofyKey = Key.create(RdeRevision.class, triplet);
+    Optional<RdeRevision> revisionOptional =
+        tm().maybeLoad(VKey.create(RdeRevision.class, sqlKey, ofyKey));
     if (revision == 0) {
-      verify(object == null, "RdeRevision object already created: %s", object);
+      revisionOptional.ifPresent(
+          rdeRevision -> {
+            throw new IllegalArgumentException(
+                String.format(
+                    "RdeRevision object already created and revision 0 specified: %s",
+                    rdeRevision));
+          });
     } else {
-      verifyNotNull(object, "RDE revision object missing for %s?! revision=%s", triplet, revision);
-      verify(object.revision == revision - 1,
-          "RDE revision object should be at %s but was: %s", revision - 1, object);
+      checkArgument(
+          revisionOptional.isPresent(),
+          "Couldn't find existing RDE revision %s when trying to save new revision %s",
+          triplet,
+          revision);
+      checkArgument(
+          revisionOptional.get().revision == revision - 1,
+          "RDE revision object should be at revision %s but was: %s",
+          revision - 1,
+          revisionOptional.get());
+    }
+    RdeRevision object = RdeRevision.create(triplet, tld, date.toLocalDate(), mode, revision);
+    tm().put(object);
+  }
+
+  /** Class to represent the composite primary key of {@link RdeRevision} entity. */
+  static class RdeRevisionId extends ImmutableObject implements Serializable {
+
+    String tld;
+
+    // Auto-conversion doesn't work for ID classes, we must specify @Column and @Convert
+    @Column(columnDefinition = "date")
+    @Convert(converter = LocalDateConverter.class)
+    LocalDate date;
+
+    @Enumerated(EnumType.STRING)
+    RdeMode mode;
+
+    /** Hibernate requires this default constructor. */
+    private RdeRevisionId() {}
+
+    static RdeRevisionId create(String tld, LocalDate date, RdeMode mode) {
+      RdeRevisionId instance = new RdeRevisionId();
+      instance.tld = tld;
+      instance.date = date;
+      instance.mode = mode;
+      return instance;
     }
-    object = new RdeRevision();
-    object.id = triplet;
-    object.revision = revision;
-    ofy().save().entity(object);
   }
 }

core/src/main/resources/META-INF/persistence.xml

@@ -53,6 +53,7 @@
     <class>google.registry.model.poll.PollMessage</class>
     <class>google.registry.model.poll.PollMessage$OneTime</class>
     <class>google.registry.model.poll.PollMessage$Autorenew</class>
+    <class>google.registry.model.rde.RdeRevision</class>
     <class>google.registry.model.registrar.Registrar</class>
     <class>google.registry.model.registrar.RegistrarContact</class>
     <class>google.registry.model.registry.label.PremiumList</class>

core/src/test/java/google/registry/model/rde/RdeRevisionTest.java

@@ -15,118 +15,116 @@
 package google.registry.model.rde;
 
 import static com.google.common.truth.Truth.assertThat;
-import static google.registry.model.ofy.ObjectifyService.ofy;
 import static google.registry.model.rde.RdeMode.FULL;
 import static google.registry.model.rde.RdeRevision.getNextRevision;
 import static google.registry.model.rde.RdeRevision.saveRevision;
 import static google.registry.persistence.transaction.TransactionManagerFactory.tm;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import com.google.common.base.VerifyException;
-import google.registry.testing.AppEngineExtension;
+import google.registry.model.EntityTestCase;
+import google.registry.testing.DualDatabaseTest;
 import org.joda.time.DateTime;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.RegisterExtension;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.TestTemplate;
 
 /** Unit tests for {@link RdeRevision}. */
-public class RdeRevisionTest {
+@DualDatabaseTest
+public class RdeRevisionTest extends EntityTestCase {
 
-  @RegisterExtension
-  final AppEngineExtension appEngine =
-      AppEngineExtension.builder().withDatastoreAndCloudSql().build();
+  public RdeRevisionTest() {
+    super(JpaEntityCoverageCheck.ENABLED);
+  }
 
-  @Test
+  @BeforeEach
+  void beforeEach() {
+    fakeClock.setTo(DateTime.parse("1984-12-18TZ"));
+  }
+
+  @TestTemplate
   void testGetNextRevision_objectDoesntExist_returnsZero() {
-    assertThat(getNextRevision("torment", DateTime.parse("1984-12-18TZ"), FULL)).isEqualTo(0);
+    tm().transact(
+            () -> assertThat(getNextRevision("torment", fakeClock.nowUtc(), FULL)).isEqualTo(0));
   }
 
-  @Test
+  @TestTemplate
   void testGetNextRevision_objectExistsAtZero_returnsOne() {
-    save("sorrow", DateTime.parse("1984-12-18TZ"), FULL, 0);
-    assertThat(getNextRevision("sorrow", DateTime.parse("1984-12-18TZ"), FULL)).isEqualTo(1);
+    save("sorrow", fakeClock.nowUtc(), FULL, 0);
+    tm().transact(
+            () -> assertThat(getNextRevision("sorrow", fakeClock.nowUtc(), FULL)).isEqualTo(1));
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_objectDoesntExist_newRevisionIsZero_nextRevIsOne() {
-    tm().transact(() -> saveRevision("despondency", DateTime.parse("1984-12-18TZ"), FULL, 0));
+    tm().transact(() -> saveRevision("despondency", fakeClock.nowUtc(), FULL, 0));
     tm().transact(
             () ->
-                assertThat(getNextRevision("despondency", DateTime.parse("1984-12-18TZ"), FULL))
-                    .isEqualTo(1));
+                assertThat(getNextRevision("despondency", fakeClock.nowUtc(), FULL)).isEqualTo(1));
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_objectDoesntExist_newRevisionIsOne_throwsVe() {
-    VerifyException thrown =
+    IllegalArgumentException thrown =
         assertThrows(
-            VerifyException.class,
-            () ->
-                tm().transact(
-                        () ->
-                            saveRevision("despondency", DateTime.parse("1984-12-18TZ"), FULL, 1)));
-    assertThat(thrown).hasMessageThat().contains("object missing");
+            IllegalArgumentException.class,
+            () -> tm().transact(() -> saveRevision("despondency", fakeClock.nowUtc(), FULL, 1)));
+    assertThat(thrown)
+        .hasMessageThat()
+        .isEqualTo(
+            "Couldn't find existing RDE revision despondency_1984-12-18_full "
+                + "when trying to save new revision 1");
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_objectExistsAtZero_newRevisionIsZero_throwsVe() {
-    save("melancholy", DateTime.parse("1984-12-18TZ"), FULL, 0);
-    VerifyException thrown =
+    save("melancholy", fakeClock.nowUtc(), FULL, 0);
+    IllegalArgumentException thrown =
         assertThrows(
-            VerifyException.class,
-            () ->
-                tm().transact(
-                        () -> saveRevision("melancholy", DateTime.parse("1984-12-18TZ"), FULL, 0)));
+            IllegalArgumentException.class,
+            () -> tm().transact(() -> saveRevision("melancholy", fakeClock.nowUtc(), FULL, 0)));
     assertThat(thrown).hasMessageThat().contains("object already created");
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_objectExistsAtZero_newRevisionIsOne_nextRevIsTwo() {
-    save("melancholy", DateTime.parse("1984-12-18TZ"), FULL, 0);
-    tm().transact(() -> saveRevision("melancholy", DateTime.parse("1984-12-18TZ"), FULL, 1));
-    tm().transact(
-            () ->
-                assertThat(getNextRevision("melancholy", DateTime.parse("1984-12-18TZ"), FULL))
-                    .isEqualTo(2));
+    DateTime startOfDay = fakeClock.nowUtc().withTimeAtStartOfDay();
+    save("melancholy", startOfDay, FULL, 0);
+    fakeClock.advanceOneMilli();
+    tm().transact(() -> saveRevision("melancholy", startOfDay, FULL, 1));
+    tm().transact(() -> assertThat(getNextRevision("melancholy", startOfDay, FULL)).isEqualTo(2));
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_objectExistsAtZero_newRevisionIsTwo_throwsVe() {
-    save("melancholy", DateTime.parse("1984-12-18TZ"), FULL, 0);
-    VerifyException thrown =
+    save("melancholy", fakeClock.nowUtc(), FULL, 0);
+    IllegalArgumentException thrown =
         assertThrows(
-            VerifyException.class,
-            () ->
-                tm().transact(
-                        () -> saveRevision("melancholy", DateTime.parse("1984-12-18TZ"), FULL, 2)));
-    assertThat(thrown).hasMessageThat().contains("should be at 1 ");
+            IllegalArgumentException.class,
+            () -> tm().transact(() -> saveRevision("melancholy", fakeClock.nowUtc(), FULL, 2)));
+    assertThat(thrown)
+        .hasMessageThat()
+        .contains("RDE revision object should be at revision 1 but was");
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_negativeRevision_throwsIae() {
     IllegalArgumentException thrown =
         assertThrows(
             IllegalArgumentException.class,
-            () ->
-                tm().transact(
-                        () ->
-                            saveRevision("melancholy", DateTime.parse("1984-12-18TZ"), FULL, -1)));
+            () -> tm().transact(() -> saveRevision("melancholy", fakeClock.nowUtc(), FULL, -1)));
     assertThat(thrown).hasMessageThat().contains("Negative revision");
   }
 
-  @Test
+  @TestTemplate
   void testSaveRevision_callerNotInTransaction_throwsIse() {
     IllegalStateException thrown =
         assertThrows(
-            IllegalStateException.class,
-            () -> saveRevision("frenzy", DateTime.parse("1984-12-18TZ"), FULL, 1));
+            IllegalStateException.class, () -> saveRevision("frenzy", fakeClock.nowUtc(), FULL, 1));
     assertThat(thrown).hasMessageThat().contains("transaction");
   }
 
   public static void save(String tld, DateTime date, RdeMode mode, int revision) {
     String triplet = RdeNamingUtils.makePartialName(tld, date, mode);
-    RdeRevision object = new RdeRevision();
-    object.id = triplet;
-    object.revision = revision;
-    ofy().saveWithoutBackup().entity(object).now();
+    RdeRevision object = RdeRevision.create(triplet, tld, date.toLocalDate(), mode, revision);
+    tm().transact(() -> tm().put(object));
   }
 }

core/src/test/java/google/registry/schema/integration/SqlIntegrationTestSuite.java

@@ -24,6 +24,7 @@ import google.registry.model.history.ContactHistoryTest;
 import google.registry.model.history.DomainHistoryTest;
 import google.registry.model.history.HostHistoryTest;
 import google.registry.model.poll.PollMessageTest;
+import google.registry.model.rde.RdeRevisionTest;
 import google.registry.model.registry.RegistryLockDaoTest;
 import google.registry.model.registry.RegistryTest;
 import google.registry.model.registry.label.ReservedListSqlDaoTest;
@@ -86,6 +87,7 @@ import org.junit.runner.RunWith;
   LockDaoTest.class,
   PollMessageTest.class,
   PremiumListDaoTest.class,
+  RdeRevisionTest.class,
   RegistrarDaoTest.class,
   RegistryTest.class,
   ReservedListSqlDaoTest.class,

core/src/test/resources/google/registry/model/schema.txt

@@ -523,6 +523,7 @@ class google.registry.model.poll.PollMessage$OneTime {
 }
 class google.registry.model.rde.RdeRevision {
   @Id java.lang.String id;
+  google.registry.model.UpdateAutoTimestamp updateTimestamp;
   int revision;
 }
 class google.registry.model.registrar.Registrar {

db/src/main/resources/sql/er_diagram/brief_er_diagram.html

@@ -261,19 +261,19 @@ td.section {
     </tr> 
     <tr> 
      <td class="property_name">generated on</td> 
-     <td class="property_value">2020-10-19 18:49:22.440463</td> 
+     <td class="property_value">2020-10-21 14:40:52.221127</td> 
     </tr> 
     <tr>
      <td class="property_name">last flyway file</td>
-     <td id="lastFlywayFile" class="property_value">V65__local_date_date_type.sql</td>
+     <td id="lastFlywayFile" class="property_value">V66__create_rde_revision.sql</td>
     </tr>
    </tbody>
   </table> 
   <p>&nbsp;</p> 
   <p>&nbsp;</p> 
-  <svg viewbox="0.00 0.00 3506.90 2635.50" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" id="erDiagram" style="overflow: hidden; width: 100%; height: 800px"> <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 2631.5)"> 
+  <svg viewbox="0.00 0.00 3506.90 2739.50" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" id="erDiagram" style="overflow: hidden; width: 100%; height: 800px"> <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 2735.5)"> 
     <title>SchemaCrawler_Diagram</title> 
-    <polygon fill="white" stroke="transparent" points="-4,4 -4,-2631.5 3502.9,-2631.5 3502.9,4 -4,4" /> 
+    <polygon fill="white" stroke="transparent" points="-4,4 -4,-2735.5 3502.9,-2735.5 3502.9,4 -4,4" /> 
     <text text-anchor="start" x="3230.4" y="-29.8" font-family="Helvetica,sans-Serif" font-size="14.00">
      generated by
     </text> 
@@ -284,7 +284,7 @@ td.section {
      generated on
     </text> 
     <text text-anchor="start" x="3313.4" y="-10.8" font-family="Helvetica,sans-Serif" font-size="14.00">
-     2020-10-19 18:49:22.440463
+     2020-10-21 14:40:52.221127
     </text> 
     <polygon fill="none" stroke="#888888" points="3225.9,-4 3225.9,-44 3490.9,-44 3490.9,-4 3225.9,-4" /> <!-- allocationtoken_a08ccbef --> 
     <g id="node1" class="node"> 
@@ -521,7 +521,7 @@ td.section {
       fk_billing_cancellation_billing_recurrence_id
      </text> 
     </g> <!-- registrar_6e1503e3 --> 
-    <g id="node23" class="node"> 
+    <g id="node24" class="node"> 
      <title>registrar_6e1503e3</title> 
      <polygon fill="#ebcef2" stroke="transparent" points="9.5,-1102 9.5,-1121 116.5,-1121 116.5,-1102 9.5,-1102" /> 
      <text text-anchor="start" x="11.5" y="-1108.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
@@ -2203,280 +2203,316 @@ td.section {
      <text text-anchor="start" x="2969" y="-1918.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       fko0gw90lpo1tuee56l0nb6y6g5
      </text> 
+    </g> <!-- rderevision_83396864 --> 
+    <g id="node23" class="node"> 
+     <title>rderevision_83396864</title> 
+     <polygon fill="#ebcef2" stroke="transparent" points="3231,-2030 3231,-2049 3361,-2049 3361,-2030 3231,-2030" /> 
+     <text text-anchor="start" x="3233" y="-2036.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
+      public.RdeRevision
+     </text> 
+     <polygon fill="#ebcef2" stroke="transparent" points="3361,-2030 3361,-2049 3439,-2049 3439,-2030 3361,-2030" /> 
+     <text text-anchor="start" x="3400" y="-2035.8" font-family="Helvetica,sans-Serif" font-size="14.00">
+      [table]
+     </text> 
+     <text text-anchor="start" x="3233" y="-2017.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
+      tld
+     </text> 
+     <text text-anchor="start" x="3317" y="-2016.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
+     </text> 
+     <text text-anchor="start" x="3363" y="-2016.8" font-family="Helvetica,sans-Serif" font-size="14.00">
+      text not null
+     </text> 
+     <text text-anchor="start" x="3233" y="-1998.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
+      mode
+     </text> 
+     <text text-anchor="start" x="3317" y="-1997.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
+     </text> 
+     <text text-anchor="start" x="3363" y="-1997.8" font-family="Helvetica,sans-Serif" font-size="14.00">
+      text not null
+     </text> 
+     <text text-anchor="start" x="3233" y="-1979.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
+      "date"
+     </text> 
+     <text text-anchor="start" x="3317" y="-1978.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
+     </text> 
+     <text text-anchor="start" x="3363" y="-1978.8" font-family="Helvetica,sans-Serif" font-size="14.00">
+      date not null
+     </text> 
+     <polygon fill="none" stroke="#888888" points="3230,-1972 3230,-2050 3440,-2050 3440,-1972 3230,-1972" /> 
     </g> <!-- registrarpoc_ab47054d --> 
-    <g id="node24" class="node"> 
+    <g id="node25" class="node"> 
      <title>registrarpoc_ab47054d</title> 
-     <polygon fill="#ebcef2" stroke="transparent" points="3232,-2030 3232,-2049 3364,-2049 3364,-2030 3232,-2030" /> 
-     <text text-anchor="start" x="3234" y="-2036.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
+     <polygon fill="#ebcef2" stroke="transparent" points="3232,-2134 3232,-2153 3364,-2153 3364,-2134 3232,-2134" /> 
+     <text text-anchor="start" x="3234" y="-2140.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       public.RegistrarPoc
      </text> 
-     <polygon fill="#ebcef2" stroke="transparent" points="3364,-2030 3364,-2049 3438,-2049 3438,-2030 3364,-2030" /> 
-     <text text-anchor="start" x="3399" y="-2035.8" font-family="Helvetica,sans-Serif" font-size="14.00">
+     <polygon fill="#ebcef2" stroke="transparent" points="3364,-2134 3364,-2153 3438,-2153 3438,-2134 3364,-2134" /> 
+     <text text-anchor="start" x="3399" y="-2139.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       [table]
      </text> 
-     <text text-anchor="start" x="3234" y="-2017.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
+     <text text-anchor="start" x="3234" y="-2121.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       email_address
      </text> 
-     <text text-anchor="start" x="3345" y="-2016.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
+     <text text-anchor="start" x="3345" y="-2120.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
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       [table]
      </text> 
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+     <text text-anchor="start" x="3194" y="-2543.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       id
      </text> 
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      </text> 
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+     <text text-anchor="start" x="3370" y="-2542.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       bigserial not null
      </text> 
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+     <text text-anchor="start" x="3315" y="-2523.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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+     <text text-anchor="start" x="3370" y="-2523.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       auto-incremented
      </text> 
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+     <text text-anchor="start" x="3194" y="-2504.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       check_date
      </text> 
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+     <text text-anchor="start" x="3315" y="-2504.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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+     <text text-anchor="start" x="3370" y="-2504.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       date not null
      </text> 
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+     <text text-anchor="start" x="3194" y="-2485.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       registrar_id
      </text> 
-     <text text-anchor="start" x="3315" y="-2381.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
+     <text text-anchor="start" x="3315" y="-2485.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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       text not null
      </text> 
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+     <text text-anchor="start" x="3194" y="-2466.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       tld
      </text> 
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+     <text text-anchor="start" x="3315" y="-2466.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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      </text> 
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+     <polygon fill="none" stroke="#888888" points="3191,-2460 3191,-2576 3479,-2576 3479,-2460 3191,-2460" /> 
     </g> <!-- tld_f1fa57e2 --> 
-    <g id="node29" class="node"> 
+    <g id="node30" class="node"> 
      <title>tld_f1fa57e2</title> 
-     <polygon fill="#ebcef2" stroke="transparent" points="3262,-2518 3262,-2537 3335,-2537 3335,-2518 3262,-2518" /> 
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+     <text text-anchor="start" x="3264" y="-2628.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       public.Tld
      </text> 
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-     <text text-anchor="start" x="3370" y="-2523.8" font-family="Helvetica,sans-Serif" font-size="14.00">
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+     <text text-anchor="start" x="3370" y="-2627.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       [table]
      </text> 
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+     <text text-anchor="start" x="3264" y="-2609.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       tld_name
      </text> 
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+     <text text-anchor="start" x="3329" y="-2608.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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     </g> <!-- transaction_d50389d4 --> 
-    <g id="node30" class="node"> 
+    <g id="node31" class="node"> 
      <title>transaction_d50389d4</title> 
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+     <text text-anchor="start" x="3220" y="-2713.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       public.Transaction
      </text> 
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-     <text text-anchor="start" x="3414" y="-2608.8" font-family="Helvetica,sans-Serif" font-size="14.00">
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+     <text text-anchor="start" x="3414" y="-2712.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       [table]
      </text> 
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+     <text text-anchor="start" x="3220" y="-2694.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-style="italic" font-size="14.00">
       id
      </text> 
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+     <text text-anchor="start" x="3287" y="-2693.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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+     <text text-anchor="start" x="3345" y="-2693.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       bigserial not null
      </text> 
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+     <text text-anchor="start" x="3287" y="-2674.8" font-family="Helvetica,sans-Serif" font-size="14.00"> 
      </text> 
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+     <text text-anchor="start" x="3345" y="-2674.8" font-family="Helvetica,sans-Serif" font-size="14.00">
       auto-incremented
      </text> 
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   </svg> 
@@ -4774,6 +4810,56 @@ td.section {
    </tbody>
   </table> 
   <p>&nbsp;</p> 
+  <table> 
+   <caption style="background-color: #EBCEF2;"> <span id="rderevision_83396864" class="caption_name">public.RdeRevision</span> <span class="caption_description">[table]</span> 
+   </caption> 
+   <tbody>
+    <tr> 
+     <td class="spacer"></td> 
+     <td class="minwidth"><b><i>tld</i></b></td> 
+     <td class="minwidth">text not null</td> 
+    </tr> 
+    <tr> 
+     <td class="spacer"></td> 
+     <td class="minwidth"><b><i>mode</i></b></td> 
+     <td class="minwidth">text not null</td> 
+    </tr> 
+    <tr> 
+     <td class="spacer"></td> 
+     <td class="minwidth"><b><i>"date"</i></b></td> 
+     <td class="minwidth">date not null</td> 
+    </tr> 
+    <tr> 
+     <td colspan="3"></td> 
+    </tr> 
+    <tr> 
+     <td colspan="3" class="section">Primary Key</td> 
+    </tr> 
+    <tr> 
+     <td colspan="3"></td> 
+    </tr> 
+    <tr> 
+     <td colspan="2" class="name">RdeRevision_pkey</td> 
+     <td class="description right">[primary key]</td> 
+    </tr> 
+    <tr> 
+     <td class="spacer"></td> 
+     <td class="minwidth">tld</td> 
+     <td class="minwidth"></td> 
+    </tr> 
+    <tr> 
+     <td class="spacer"></td> 
+     <td class="minwidth">mode</td> 
+     <td class="minwidth"></td> 
+    </tr> 
+    <tr> 
+     <td class="spacer"></td> 
+     <td class="minwidth">"date"</td> 
+     <td class="minwidth"></td> 
+    </tr> 
+   </tbody>
+  </table> 
+  <p>&nbsp;</p> 
   <table> 
    <caption style="background-color: #EBCEF2;"> <span id="registrar_6e1503e3" class="caption_name">public.Registrar</span> <span class="caption_description">[table]</span> 
    </caption> 

db/src/main/resources/sql/flyway.txt

@@ -63,3 +63,4 @@ V62__disable_key_auto_generation_for_history_tables.sql
 V63__add_schema_for_ds_data.sql
 V64__transfer_history_columns.sql
 V65__local_date_date_type.sql
+V66__create_rde_revision.sql

db/src/main/resources/sql/flyway/V66__create_rde_revision.sql

@@ -0,0 +1,22 @@
+-- Copyright 2020 The Nomulus Authors. All Rights Reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+CREATE TABLE "RdeRevision" (
+   tld TEXT NOT NULL,
+   mode TEXT NOT NULL,
+   date date NOT NULL,
+   update_timestamp timestamptz,
+   revision int4 NOT NULL,
+   PRIMARY KEY (tld, mode, date)
+);

db/src/main/resources/sql/schema/db-schema.sql.generated

@@ -494,6 +494,15 @@
         primary key (revision_id)
     );
 
+    create table "RdeRevision" (
+       date date not null,
+        mode text not null,
+        tld text not null,
+        update_timestamp timestamptz,
+        revision int4 not null,
+        primary key (date, mode, tld)
+    );
+
     create table "Registrar" (
        registrar_id text not null,
         allowed_tlds text[],

db/src/main/resources/sql/schema/nomulus.golden.sql

@@ -682,6 +682,19 @@ CREATE SEQUENCE public."PremiumList_revision_id_seq"
 ALTER SEQUENCE public."PremiumList_revision_id_seq" OWNED BY public."PremiumList".revision_id;
 
 
+--
+-- Name: RdeRevision; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public."RdeRevision" (
+    tld text NOT NULL,
+    mode text NOT NULL,
+    date date NOT NULL,
+    update_timestamp timestamp with time zone,
+    revision integer NOT NULL
+);
+
+
 --
 -- Name: Registrar; Type: TABLE; Schema: public; Owner: -
 --
@@ -1166,6 +1179,14 @@ ALTER TABLE ONLY public."PremiumList"
     ADD CONSTRAINT "PremiumList_pkey" PRIMARY KEY (revision_id);
 
 
+--
+-- Name: RdeRevision RdeRevision_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public."RdeRevision"
+    ADD CONSTRAINT "RdeRevision_pkey" PRIMARY KEY (tld, mode, date);
+
+
 --
 -- Name: RegistrarPoc RegistrarPoc_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --