diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -22,6 +22,8 @@
     'AphrontConnectionQueryException' => 'aphront/storage/exception/AphrontConnectionQueryException.php',
     'AphrontCountQueryException' => 'aphront/storage/exception/AphrontCountQueryException.php',
     'AphrontDatabaseConnection' => 'aphront/storage/connection/AphrontDatabaseConnection.php',
+    'AphrontDatabaseTableRef' => 'xsprintf/AphrontDatabaseTableRef.php',
+    'AphrontDatabaseTableRefInterface' => 'xsprintf/AphrontDatabaseTableRefInterface.php',
     'AphrontDatabaseTransactionState' => 'aphront/storage/connection/AphrontDatabaseTransactionState.php',
     'AphrontDeadlockQueryException' => 'aphront/storage/exception/AphrontDeadlockQueryException.php',
     'AphrontDuplicateKeyQueryException' => 'aphront/storage/exception/AphrontDuplicateKeyQueryException.php',
@@ -645,6 +647,10 @@
       'Phobject',
       'PhutilQsprintfInterface',
     ),
+    'AphrontDatabaseTableRef' => array(
+      'Phobject',
+      'AphrontDatabaseTableRefInterface',
+    ),
     'AphrontDatabaseTransactionState' => 'Phobject',
     'AphrontDeadlockQueryException' => 'AphrontRecoverableQueryException',
     'AphrontDuplicateKeyQueryException' => 'AphrontQueryException',
diff --git a/src/xsprintf/AphrontDatabaseTableRef.php b/src/xsprintf/AphrontDatabaseTableRef.php
new file mode 100644
--- /dev/null
+++ b/src/xsprintf/AphrontDatabaseTableRef.php
@@ -0,0 +1,23 @@
+<?php
+
+final class AphrontDatabaseTableRef
+  extends Phobject
+  implements AphrontDatabaseTableRefInterface {
+
+  private $database;
+  private $table;
+
+  public function __construct($database, $table) {
+    $this->database = $database;
+    $this->table = $table;
+  }
+
+  public function getAphrontRefDatabaseName() {
+    return $this->database;
+  }
+
+  public function getAphrontRefTableName() {
+    return $this->table;
+  }
+
+}
diff --git a/src/xsprintf/AphrontDatabaseTableRefInterface.php b/src/xsprintf/AphrontDatabaseTableRefInterface.php
new file mode 100644
--- /dev/null
+++ b/src/xsprintf/AphrontDatabaseTableRefInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+interface AphrontDatabaseTableRefInterface {
+
+  public function getAphrontRefDatabaseName();
+  public function getAphrontRefTableName();
+
+}
diff --git a/src/xsprintf/qsprintf.php b/src/xsprintf/qsprintf.php
--- a/src/xsprintf/qsprintf.php
+++ b/src/xsprintf/qsprintf.php
@@ -234,6 +234,17 @@
         $type = 's';
         break;
 
+      case 'R': // Database + Table Reference
+        $database_name = $value->getAphrontRefDatabaseName();
+        $database_name = $escaper->escapeColumnName($database_name);
+
+        $table_name = $value->getAphrontRefTableName();
+        $table_name = $escaper->escapeColumnName($table_name);
+
+        $value = $database_name.'.'.$table_name;
+        $type = 's';
+        break;
+
       default:
         throw new XsprintfUnknownConversionException($type);
     }
@@ -312,6 +323,16 @@
       }
       break;
 
+    case 'R':
+      if (!($value instanceof AphrontDatabaseTableRefInterface)) {
+        throw new AphrontParameterQueryException(
+          pht(
+            'Parameter to "%s" conversion in "qsprintf(...)" is not an '.
+            'instance of AphrontDatabaseTableRefInterface.',
+            '%R'));
+      }
+      break;
+
     default:
       throw new XsprintfUnknownConversionException($type);
   }