Update to Drupal 7.76. For more information, see https://www.drupal.o…

…rg/project/drupal/releases/7.76

CHANGELOG.txt

@@ -1,3 +1,9 @@
+Drupal 7.76, 2020-12-02
+-----------------------
+- Support for MySQL 8
+- Core tests pass in SQLite
+- Better user flood control logging
+
 Drupal 7.75, 2020-11-26
 -----------------------
 - Fixed security issues:

MAINTAINERS.txt

@@ -12,7 +12,7 @@ The branch maintainers for Drupal 7 are:
 
 - Dries Buytaert 'dries' https://www.drupal.org/u/dries
 - Fabian Franz 'Fabianx' https://www.drupal.org/u/fabianx
-- (provisional) Drew Webber 'mcdruid' https://www.drupal.org/u/mcdruid
+- Drew Webber 'mcdruid' https://www.drupal.org/u/mcdruid
 
 
 Component maintainers

includes/bootstrap.inc

@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.75');
+define('VERSION', '7.76');
 
 /**
  * Core API compatibility.
@@ -1214,19 +1214,21 @@ function variable_initialize($conf = array()) {
     $variables = $cached->data;
   }
   else {
-    // Cache miss. Avoid a stampede.
+    // Cache miss. Avoid a stampede by acquiring a lock. If the lock fails to
+    // acquire, optionally just continue with uncached processing.
     $name = 'variable_init';
-    if (!lock_acquire($name, 1)) {
-      // Another request is building the variable cache.
-      // Wait, then re-run this function.
+    $lock_acquired = lock_acquire($name, 1);
+    if (!$lock_acquired && variable_get('variable_initialize_wait_for_lock', FALSE)) {
       lock_wait($name);
       return variable_initialize($conf);
     }
     else {
-      // Proceed with variable rebuild.
+      // Load the variables from the table.
       $variables = array_map('unserialize', db_query('SELECT name, value FROM {variable}')->fetchAllKeyed());
-      cache_set('variables', $variables, 'cache_bootstrap');
-      lock_release($name);
+      if ($lock_acquired) {
+        cache_set('variables', $variables, 'cache_bootstrap');
+        lock_release($name);
+      }
     }
   }
 

includes/common.inc

@@ -6670,30 +6670,41 @@ function element_children(&$elements, $sort = FALSE) {
   $sort = isset($elements['#sorted']) ? !$elements['#sorted'] : $sort;
 
   // Filter out properties from the element, leaving only children.
-  $children = array();
+  $count = count($elements);
+  $child_weights = array();
+  $i = 0;
   $sortable = FALSE;
   foreach ($elements as $key => $value) {
     if (is_int($key) || $key === '' || $key[0] !== '#') {
-      $children[$key] = $value;
       if (is_array($value) && isset($value['#weight'])) {
+        $weight = $value['#weight'];
         $sortable = TRUE;
       }
+      else {
+        $weight = 0;
+      }
+      // Support weights with up to three digit precision and conserve the
+      // insertion order.
+      $child_weights[$key] = floor($weight * 1000) + $i / $count;
     }
+    $i++;
   }
+
   // Sort the children if necessary.
   if ($sort && $sortable) {
-    uasort($children, 'element_sort');
+    asort($child_weights);
     // Put the sorted children back into $elements in the correct order, to
     // preserve sorting if the same element is passed through
     // element_children() twice.
-    foreach ($children as $key => $child) {
+    foreach ($child_weights as $key => $weight) {
+      $value = $elements[$key];
       unset($elements[$key]);
-      $elements[$key] = $child;
+      $elements[$key] = $value;
     }
     $elements['#sorted'] = TRUE;
   }
 
-  return array_keys($children);
+  return array_keys($child_weights);
 }
 
 /**

includes/database/database.inc

@@ -310,6 +310,13 @@ abstract class DatabaseConnection extends PDO {
    */
   protected $escapedAliases = array();
 
+  /**
+   * List of un-prefixed table names, keyed by prefixed table names.
+   *
+   * @var array
+   */
+  protected $unprefixedTablesMap = array();
+
   function __construct($dsn, $username, $password, $driver_options = array()) {
     // Initialize and prepare the connection prefix.
     $this->setPrefix(isset($this->connectionOptions['prefix']) ? $this->connectionOptions['prefix'] : '');
@@ -338,7 +345,9 @@ abstract class DatabaseConnection extends PDO {
     // Destroy all references to this connection by setting them to NULL.
     // The Statement class attribute only accepts a new value that presents a
     // proper callable, so we reset it to PDOStatement.
-    $this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array('PDOStatement', array()));
+    if (!empty($this->statementClass)) {
+      $this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array('PDOStatement', array()));
+    }
     $this->schema = NULL;
   }
 
@@ -442,6 +451,13 @@ abstract class DatabaseConnection extends PDO {
     $this->prefixReplace[] = $this->prefixes['default'];
     $this->prefixSearch[] = '}';
     $this->prefixReplace[] = '';
+
+    // Set up a map of prefixed => un-prefixed tables.
+    foreach ($this->prefixes as $table_name => $prefix) {
+      if ($table_name !== 'default') {
+        $this->unprefixedTablesMap[$prefix . $table_name] = $table_name;
+      }
+    }
   }
 
   /**
@@ -477,6 +493,17 @@ abstract class DatabaseConnection extends PDO {
     }
   }
 
+  /**
+   * Gets a list of individually prefixed table names.
+   *
+   * @return array
+   *   An array of un-prefixed table names, keyed by their fully qualified table
+   *   names (i.e. prefix + table_name).
+   */
+  public function getUnprefixedTablesMap() {
+    return $this->unprefixedTablesMap;
+  }
+
   /**
    * Prepares a query string and returns the prepared statement.
    *
@@ -2840,7 +2867,6 @@ function db_field_exists($table, $field) {
  *
  * @param $table_expression
  *   An SQL expression, for example "simpletest%" (without the quotes).
- *   BEWARE: this is not prefixed, the caller should take care of that.
  *
  * @return
  *   Array, both the keys and the values are the matching tables.
@@ -2849,6 +2875,23 @@ function db_find_tables($table_expression) {
   return Database::getConnection()->schema()->findTables($table_expression);
 }
 
+/**
+ * Finds all tables that are like the specified base table name. This is a
+ * backport of the change made to db_find_tables in Drupal 8 to work with
+ * virtual, un-prefixed table names. The original function is retained for
+ * Backwards Compatibility.
+ * @see https://www.drupal.org/node/2552435
+ *
+ * @param $table_expression
+ *   An SQL expression, for example "simpletest%" (without the quotes).
+ *
+ * @return
+ *   Array, both the keys and the values are the matching tables.
+ */
+function db_find_tables_d8($table_expression) {
+  return Database::getConnection()->schema()->findTablesD8($table_expression);
+}
+
 function _db_create_keys_sql($spec) {
   return Database::getConnection()->schema()->createKeysSql($spec);
 }