updated core to 7.58 (right after the site was hacked)

sites/all/modules/examples/entity_example/entity_example.install

@@ -0,0 +1,71 @@
+<?php
+/**
+ * @file
+ * Install for a basic entity - need to create the base table for our entity.
+ * This table can have as many columns as you need to keep track of
+ * entity-specific data that will not be added via attached fields.
+ * The minimum information for the entity to work is an id and an entity name.
+ */
+
+/**
+ * Implements hook_schema().
+ *
+ * @ingroup entity_example
+ */
+function entity_example_schema() {
+  $schema = array();
+
+  // The name of the table can be any name we choose. However, namespacing the
+  // table with the module name is best practice.
+  $schema['entity_example_basic'] = array(
+    'description' => 'The base table for our basic entity.',
+    'fields' => array(
+      'basic_id' => array(
+        'description' => 'Primary key of the basic entity.',
+        'type' => 'serial',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+      ),
+      // If we allow multiple bundles, then the schema must handle that;
+      // We'll put it in the 'bundle_type' field to avoid confusion with the
+      // entity type.
+      'bundle_type' => array(
+        'description' => 'The bundle type',
+        'type' => 'text',
+        'size' => 'medium',
+        'not null' => TRUE,
+      ),
+      // Additional properties are just things that are common to all
+      // entities and don't require field storage.
+      'item_description' => array(
+        'description' => 'A description of the item',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'created' => array(
+        'description' => 'The Unix timestamp of the entity creation time.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+    'primary key' => array('basic_id'),
+  );
+
+  return $schema;
+}
+
+
+/**
+ * Implements hook_uninstall().
+ *
+ * At uninstall time we'll notify field.module that the entity was deleted
+ * so that attached fields can be cleaned up.
+ *
+ * @ingroup entity_example
+ */
+function entity_example_uninstall() {
+  field_attach_delete_bundle('entity_example_basic', 'first_example_bundle');
+}