1 files changed, 35 insertions, 0 deletions
diff --git a/www/wiki/includes/libs/rdbms/field/Field.php b/www/wiki/includes/libs/rdbms/field/Field.php
new file mode 100644
index 00000000..7918f360
--- /dev/null
+++ b/www/wiki/includes/libs/rdbms/field/Field.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Wikimedia\Rdbms;
+
+/**
+ * Base for all database-specific classes representing information about database fields
+ * @ingroup Database
+ */
+interface Field {
+	/**
+	 * Field name
+	 * @return string
+	 */
+	function name();
+
+	/**
+	 * Name of table this field belongs to
+	 * @return string
+	 */
+	function tableName();
+
+	/**
+	 * Database type
+	 * @return string
+	 */
+	function type();
+
+	/**
+	 * Whether this field can store NULL values
+	 * @return bool
+	 */
+	function isNullable();
+}
+
+class_alias( Field::class, 'Field' );