Backport to branch(3) : Fix to avoid deleting non ScalarDB tables when dropping namespaces

core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminCaseSensitivityIntegrationTest.java

@@ -7,6 +7,7 @@
 import com.scalar.db.config.DatabaseConfig;
 import com.scalar.db.exception.storage.ExecutionException;
 import com.scalar.db.io.DataType;
+import com.scalar.db.util.AdminTestUtils;
 import java.util.Map;
 import java.util.Properties;
 import org.junit.jupiter.api.Disabled;
@@ -25,6 +26,11 @@ protected String getSystemNamespaceName(Properties properties) {
         .orElse(DatabaseConfig.DEFAULT_SYSTEM_NAMESPACE_NAME);
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new CassandraAdminTestUtils(getProperties(testName));
+  }
+
   @Override
   protected boolean isTimestampTypeSupported() {
     return false;

core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminIntegrationTest.java

@@ -7,6 +7,7 @@
 import com.scalar.db.config.DatabaseConfig;
 import com.scalar.db.exception.storage.ExecutionException;
 import com.scalar.db.io.DataType;
+import com.scalar.db.util.AdminTestUtils;
 import java.util.Map;
 import java.util.Properties;
 import org.junit.jupiter.api.Disabled;
@@ -24,6 +25,11 @@ protected String getSystemNamespaceName(Properties properties) {
         .orElse(DatabaseConfig.DEFAULT_SYSTEM_NAMESPACE_NAME);
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new CassandraAdminTestUtils(getProperties(testName));
+  }
+
   @Override
   protected boolean isTimestampTypeSupported() {
     return false;

core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminTestUtils.java

@@ -1,5 +1,8 @@
 package com.scalar.db.storage.cassandra;
 
+import static com.datastax.driver.core.Metadata.quoteIfNecessary;
+
+import com.datastax.driver.core.schemabuilder.SchemaBuilder;
 import com.scalar.db.config.DatabaseConfig;
 import com.scalar.db.util.AdminTestUtils;
 import java.util.Properties;
@@ -28,6 +31,11 @@ public void corruptMetadata(String namespace, String table) {
     // Do nothing
   }
 
+  @Override
+  public void deleteMetadata(String namespace, String table) throws Exception {
+    // Do nothing
+  }
+
   @Override
   public boolean namespaceExists(String namespace) {
     return clusterManager.getSession().getCluster().getMetadata().getKeyspace(namespace) != null;
@@ -38,6 +46,14 @@ public boolean tableExists(String namespace, String table) {
     return clusterManager.getMetadata(namespace, table) != null;
   }
 
+  @Override
+  public void dropTable(String namespace, String table) {
+    String dropTableQuery =
+        SchemaBuilder.dropTable(quoteIfNecessary(namespace), quoteIfNecessary(table))
+            .getQueryString();
+    clusterManager.getSession().execute(dropTableQuery);
+  }
+
   @Override
   public void close() {
     clusterManager.close();

core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminCaseSensitivityIntegrationTest.java

@@ -2,6 +2,7 @@
 
 import com.scalar.db.api.DistributedStorageAdminCaseSensitivityIntegrationTestBase;
 import com.scalar.db.config.DatabaseConfig;
+import com.scalar.db.util.AdminTestUtils;
 import java.util.Map;
 import java.util.Properties;
 import org.junit.jupiter.api.Disabled;
@@ -19,6 +20,11 @@ protected Map<String, String> getCreationOptions() {
     return CosmosEnv.getCreationOptions();
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new CosmosAdminTestUtils(getProperties(testName));
+  }
+
   @Override
   protected String getSystemNamespaceName(Properties properties) {
     return new CosmosConfig(new DatabaseConfig(properties))

core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminIntegrationTest.java

@@ -2,6 +2,7 @@
 
 import com.scalar.db.api.DistributedStorageAdminIntegrationTestBase;
 import com.scalar.db.config.DatabaseConfig;
+import com.scalar.db.util.AdminTestUtils;
 import java.util.Map;
 import java.util.Properties;
 import org.junit.jupiter.api.Disabled;
@@ -18,6 +19,11 @@ protected Map<String, String> getCreationOptions() {
     return CosmosEnv.getCreationOptions();
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new CosmosAdminTestUtils(getProperties(testName));
+  }
+
   @Override
   protected String getSystemNamespaceName(Properties properties) {
     return new CosmosConfig(new DatabaseConfig(properties))

core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminTestUtils.java

@@ -76,6 +76,15 @@ public void corruptMetadata(String namespace, String table) {
     container.upsertItem(corruptedMetadata);
   }
 
+  @Override
+  public void deleteMetadata(String namespace, String table) {
+    String fullTableName = getFullTableName(namespace, table);
+    CosmosContainer container =
+        client.getDatabase(metadataDatabase).getContainer(CosmosAdmin.METADATA_CONTAINER);
+    container.deleteItem(
+        fullTableName, new PartitionKey(fullTableName), new CosmosItemRequestOptions());
+  }
+
   /**
    * Retrieve the stored procedure for the given table
    *
@@ -117,6 +126,11 @@ public boolean tableExists(String namespace, String table) {
     return true;
   }
 
+  @Override
+  public void dropTable(String namespace, String table) {
+    client.getDatabase(namespace).getContainer(table).delete();
+  }
+
   @Override
   public void close() {
     client.close();

core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminCaseSensitivityIntegrationTest.java

@@ -2,6 +2,7 @@
 
 import com.scalar.db.api.DistributedStorageAdminCaseSensitivityIntegrationTestBase;
 import com.scalar.db.config.DatabaseConfig;
+import com.scalar.db.util.AdminTestUtils;
 import java.util.Map;
 import java.util.Properties;
 import org.junit.jupiter.api.Disabled;
@@ -20,6 +21,11 @@ protected Map<String, String> getCreationOptions() {
     return DynamoEnv.getCreationOptions();
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new DynamoAdminTestUtils(getProperties(testName));
+  }
+
   @Override
   protected boolean isIndexOnBooleanColumnSupported() {
     return false;
@@ -80,6 +86,11 @@ public void namespaceExists_ShouldReturnCorrectResults() {}
   @Override
   public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentException() {}
 
+  @Override
+  @Disabled("DynamoDB does not have a concept of namespaces")
+  public void
+      dropNamespace_ForNamespaceWithNonScalarDBManagedTables_ShouldThrowIllegalArgumentException() {}
+
   @Override
   @Disabled("DynamoDB does not support dropping columns")
   public void dropColumnFromTable_DropColumnForEachExistingDataType_ShouldDropColumnsCorrectly() {}

core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminIntegrationTest.java

@@ -2,6 +2,7 @@
 
 import com.scalar.db.api.DistributedStorageAdminIntegrationTestBase;
 import com.scalar.db.config.DatabaseConfig;
+import com.scalar.db.util.AdminTestUtils;
 import java.util.Map;
 import java.util.Properties;
 import org.junit.jupiter.api.Disabled;
@@ -19,6 +20,11 @@ protected Map<String, String> getCreationOptions() {
     return DynamoEnv.getCreationOptions();
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new DynamoAdminTestUtils(getProperties(testName));
+  }
+
   @Override
   protected boolean isIndexOnBooleanColumnSupported() {
     return false;
@@ -79,6 +85,11 @@ public void namespaceExists_ShouldReturnCorrectResults() {}
   @Override
   public void createTable_ForNonExistingNamespace_ShouldThrowIllegalArgumentException() {}
 
+  @Override
+  @Disabled("DynamoDB does not have a concept of namespaces")
+  public void
+      dropNamespace_ForNamespaceWithNonScalarDBManagedTables_ShouldThrowIllegalArgumentException() {}
+
   @Override
   @Disabled("DynamoDB does not support dropping columns")
   public void dropColumnFromTable_DropColumnForEachExistingDataType_ShouldDropColumnsCorrectly() {}

core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminTestUtils.java

@@ -93,6 +93,17 @@ public boolean tableExists(String nonPrefixedNamespace, String table) {
     }
   }
 
+  @Override
+  public void dropTable(String nonPrefixedNamespace, String table) {
+    String namespace = Namespace.of(namespacePrefix, nonPrefixedNamespace).prefixed();
+    client.deleteTable(
+        DeleteTableRequest.builder().tableName(getFullTableName(namespace, table)).build());
+    if (!waitForTableDeletion(namespace, table)) {
+      throw new RuntimeException(
+          String.format("Deleting the %s table timed out", getFullTableName(namespace, table)));
+    }
+  }
+
   @Override
   public void truncateMetadataTable() {
     Map<String, AttributeValue> lastKeyEvaluated = null;
@@ -139,6 +150,20 @@ public void corruptMetadata(String namespace, String table) {
             .build());
   }
 
+  @Override
+  public void deleteMetadata(String namespace, String table) {
+    String fullTableName =
+        getFullTableName(Namespace.of(namespacePrefix, namespace).prefixed(), table);
+    Map<String, AttributeValue> keyToDelete = new HashMap<>();
+    keyToDelete.put("table", AttributeValue.builder().s(fullTableName).build());
+
+    client.deleteItem(
+        DeleteItemRequest.builder()
+            .tableName(getFullTableName(metadataNamespace, DynamoAdmin.METADATA_TABLE))
+            .key(keyToDelete)
+            .build());
+  }
+
   @Override
   public boolean namespaceExists(String namespace) throws Exception {
     // Dynamo has no concept of namespace

core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminCaseSensitivityIntegrationTest.java

@@ -16,6 +16,7 @@
 import com.scalar.db.exception.storage.ExecutionException;
 import com.scalar.db.io.DataType;
 import com.scalar.db.io.Key;
+import com.scalar.db.util.AdminTestUtils;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.time.Instant;
@@ -49,6 +50,11 @@ protected String getSystemNamespaceName(Properties properties) {
         .orElse(DatabaseConfig.DEFAULT_SYSTEM_NAMESPACE_NAME);
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new JdbcAdminTestUtils(getProperties(testName));
+  }
+
   // Since SQLite doesn't have persistent namespaces, some behaviors around the namespace are
   // different from the other adapters. So disable several tests that check such behaviors.
 
@@ -159,6 +165,12 @@ private boolean isWideningColumnTypeConversionNotFullySupported() {
     return JdbcTestUtils.isOracle(rdbEngine) || JdbcTestUtils.isSqlite(rdbEngine);
   }
 
+  @Test
+  @Override
+  @DisabledIf("isSqlite")
+  public void
+      dropNamespace_ForNamespaceWithNonScalarDBManagedTables_ShouldThrowIllegalArgumentException() {}
+
   @Test
   @Override
   @DisabledIf("isDb2")

core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminIntegrationTest.java

@@ -17,6 +17,7 @@
 import com.scalar.db.exception.storage.ExecutionException;
 import com.scalar.db.io.DataType;
 import com.scalar.db.io.Key;
+import com.scalar.db.util.AdminTestUtils;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.time.Instant;
@@ -50,6 +51,11 @@ protected String getSystemNamespaceName(Properties properties) {
         .orElse(DatabaseConfig.DEFAULT_SYSTEM_NAMESPACE_NAME);
   }
 
+  @Override
+  protected AdminTestUtils getAdminTestUtils(String testName) {
+    return new JdbcAdminTestUtils(getProperties(testName));
+  }
+
   // Since SQLite doesn't have persistent namespaces, some behaviors around the namespace are
   // different from the other adapters. So disable several tests that check such behaviors.
 
@@ -160,6 +166,12 @@ private boolean isWideningColumnTypeConversionNotFullySupported() {
     return JdbcTestUtils.isOracle(rdbEngine) || JdbcTestUtils.isSqlite(rdbEngine);
   }
 
+  @Test
+  @Override
+  @DisabledIf("isSqlite")
+  public void
+      dropNamespace_ForNamespaceWithNonScalarDBManagedTables_ShouldThrowIllegalArgumentException() {}
+
   @Test
   @Override
   @DisabledIf("isDb2")

core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminTestUtils.java

@@ -56,6 +56,22 @@ public void corruptMetadata(String namespace, String table) throws Exception {
     execute(insertCorruptedMetadataStatement);
   }
 
+  @Override
+  public void deleteMetadata(String namespace, String table) throws Exception {
+    String deleteMetadataStatement =
+        "DELETE FROM "
+            + rdbEngine.encloseFullTableName(metadataSchema, JdbcAdmin.METADATA_TABLE)
+            + " WHERE "
+            + rdbEngine.enclose(JdbcAdmin.METADATA_COL_FULL_TABLE_NAME)
+            + " = ?";
+    try (Connection connection = dataSource.getConnection();
+        PreparedStatement preparedStatement =
+            connection.prepareStatement(deleteMetadataStatement)) {
+      preparedStatement.setString(1, getFullTableName(namespace, table));
+      preparedStatement.executeUpdate();
+    }
+  }
+
   private void execute(String sql) throws SQLException {
     try (Connection connection = dataSource.getConnection()) {
       JdbcAdmin.execute(connection, sql);
@@ -112,6 +128,12 @@ public boolean tableExists(String namespace, String table) throws Exception {
     }
   }
 
+  @Override
+  public void dropTable(String namespace, String table) throws Exception {
+    String dropTableStatement = "DROP TABLE " + rdbEngine.encloseFullTableName(namespace, table);
+    execute(dropTableStatement);
+  }
+
   @Override
   public void close() throws SQLException {
     dataSource.close();