comparison modules/dblog/dblog.install @ 0:ff03f76ab3fe

initial version

+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the dblog module.
+ */
+
+/**
+ * Implements hook_schema().
+ */
+function dblog_schema() {
+  $schema['watchdog'] = array(
+    'description' => 'Table that contains logs of all system events.',
+    'fields' => array(
+      'wid' => array(
+        'type' => 'serial',
+        'not null' => TRUE,
+        'description' => 'Primary Key: Unique watchdog event ID.',
+      ),
+      'uid' => array(
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'The {users}.uid of the user who triggered the event.',
+      ),
+      'type' => array(
+        'type' => 'varchar',
+        'length' => 64,
+        'not null' => TRUE,
+        'default' => '',
+        'description' => 'Type of log message, for example "user" or "page not found."',
+      ),
+      'message' => array(
+        'type' => 'text',
+        'not null' => TRUE,
+        'size' => 'big',
+        'description' => 'Text of log message to be passed into the t() function.',
+      ),
+      'variables' => array(
+        'type' => 'blob',
+        'not null' => TRUE,
+        'size' => 'big',
+        'description' => 'Serialized array of variables that match the message string and that is passed into the t() function.',
+      ),
+      'severity' => array(
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+        'size' => 'tiny',
+        'description' => 'The severity level of the event; ranges from 0 (Emergency) to 7 (Debug)',
+      ),
+      'link' => array(
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => FALSE,
+        'default' => '',
+        'description' => 'Link to view the result of the event.',
+      ),
+      'location'  => array(
+        'type' => 'text',
+        'not null' => TRUE,
+        'description' => 'URL of the origin of the event.',
+      ),
+      'referer' => array(
+        'type' => 'text',
+        'not null' => FALSE,
+        'description' => 'URL of referring page.',
+      ),
+      'hostname' => array(
+        'type' => 'varchar',
+        'length' => 128,
+        'not null' => TRUE,
+        'default' => '',
+        'description' => 'Hostname of the user who triggered the event.',
+      ),
+      'timestamp' => array(
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'Unix timestamp of when event occurred.',
+      ),
+    ),
+    'primary key' => array('wid'),
+    'indexes' => array(
+      'type' => array('type'),
+      'uid' => array('uid'),
+      'severity' => array('severity'),
+    ),
+  );
+
+  return $schema;
+}
+
+/**
+ * Implements hook_uninstall().
+ */
+function dblog_uninstall() {
+  variable_del('dblog_row_limit');
+}
+
+/**
+ * @addtogroup updates-6.x-to-7.x
+ * @{
+ */
+
+/**
+ * Update the {watchdog} table.
+ */
+function dblog_update_7001() {
+  // Allow NULL values for links.
+  db_change_field('watchdog', 'link', 'link', array(
+    'type' => 'varchar',
+    'length' => 255,
+    'not null' => FALSE,
+    'default' => '',
+    'description' => 'Link to view the result of the event.',
+  ));
+
+  // Add an index on uid.
+  db_add_index('watchdog', 'uid', array('uid'));
+
+  // Allow longer type values.
+  db_change_field('watchdog', 'type', 'type', array(
+    'type' => 'varchar',
+    'length' => 64,
+    'not null' => TRUE,
+    'default' => '',
+    'description' => 'Type of log message, for example "user" or "page not found."',
+  ));
+
+  // Convert the variables field (that stores serialized variables) from text to blob.
+  db_change_field('watchdog', 'variables', 'variables', array(
+    'type' => 'blob',
+    'not null' => TRUE,
+    'size' => 'big',
+    'description' => 'Serialized array of variables that match the message string and that is passed into the t() function.',
+  ));
+}
+
+/**
+ * @} End of "addtogroup updates-6.x-to-7.x".
+ */
+
+/**
+ * @addtogroup updates-7.x-extra
+ * @{
+ */
+
+/**
+ * Add an index to the severity column in the watchdog database table.
+ */
+function dblog_update_7002() {
+  db_add_index('watchdog', 'severity', array('severity'));
+}
+
+/**
+ * @} End of "addtogroup updates-7.x-extra".
+ */