dblog.install

<?php


/**
 * @file
 * Install, update and uninstall functions for the dblog module.
 */

/**
 * Implements hook_schema().
 */
function dblog_schema() {
    $schema['watchdog'] = [
        'description' => 'Table that contains logs of all system events.',
        'fields' => [
            'wid' => [
                'type' => 'serial',
                'not null' => TRUE,
                'size' => 'big',
                'description' => 'Primary Key: Unique watchdog event ID.',
            ],
            'uid' => [
                'type' => 'int',
                'unsigned' => TRUE,
                'not null' => TRUE,
                'default' => 0,
                'description' => 'The {users}.uid of the user who triggered the event.',
            ],
            'type' => [
                'type' => 'varchar_ascii',
                'length' => 64,
                'not null' => TRUE,
                'default' => '',
                'description' => 'Type of log message, for example "user" or "page not found."',
            ],
            'message' => [
                'type' => 'text',
                'not null' => TRUE,
                'size' => 'big',
                'description' => 'Text of log message to be passed into the t() function.',
            ],
            'variables' => [
                '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' => [
                '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' => [
                'type' => 'text',
                'not null' => FALSE,
                'description' => 'Link to view the result of the event.',
            ],
            'location' => [
                'type' => 'text',
                'not null' => TRUE,
                'description' => 'URL of the origin of the event.',
            ],
            'referer' => [
                'type' => 'text',
                'not null' => FALSE,
                'description' => 'URL of referring page.',
            ],
            'hostname' => [
                'type' => 'varchar_ascii',
                'length' => 128,
                'not null' => TRUE,
                'default' => '',
                'description' => 'Hostname of the user who triggered the event.',
            ],
            'timestamp' => [
                'type' => 'int',
                'not null' => TRUE,
                'default' => 0,
                'description' => 'Unix timestamp of when event occurred.',
                'size' => 'big',
            ],
        ],
        'primary key' => [
            'wid',
        ],
        'indexes' => [
            'type' => [
                'type',
            ],
            'uid' => [
                'uid',
            ],
            'severity' => [
                'severity',
            ],
        ],
    ];
    return $schema;
}

/**
 * Implements hook_update_last_removed().
 */
function dblog_update_last_removed() {
    return 8600;
}

/**
 * Remove the year 2038 date limitation.
 */
function dblog_update_10100(&$sandbox = NULL) {
    $connection = \Drupal::database();
    if ($connection->schema()
        ->tableExists('watchdog') && $connection->databaseType() != 'sqlite') {
        $new = [
            'type' => 'int',
            'not null' => TRUE,
            'default' => 0,
            'description' => 'Unix timestamp of when event occurred.',
            'size' => 'big',
        ];
        $connection->schema()
            ->changeField('watchdog', 'timestamp', 'timestamp', $new);
    }
}

/**
 * Converts the 'wid' of the 'watchdog' table to a big integer.
 */
function dblog_update_10101(&$sandbox = NULL) {
    $connection = \Drupal::database();
    if ($connection->databaseType() != 'sqlite') {
        // Increase the size of the field.
        $new_specification = [
            'size' => 'big',
            'type' => 'serial',
            'not null' => TRUE,
            'description' => 'Primary Key: Unique watchdog event ID.',
        ];
        $connection->schema()
            ->changeField('watchdog', 'wid', 'wid', $new_specification);
    }
}