Create new {users_data} table.
function user_update_8014() {
// Create the {users_data} table.
db_create_table('users_data', array(
'description' => 'Stores module data as key/value pairs per user.',
'fields' => array(
'uid' => array(
'description' => 'Primary key: {users}.uid for user.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'module' => array(
'description' => 'The name of the module declaring the variable.',
'type' => 'varchar',
'length' => 204,
'not null' => TRUE,
'default' => '',
),
'name' => array(
'description' => 'The identifier of the data.',
'type' => 'varchar',
'length' => 128,
'not null' => TRUE,
'default' => '',
),
'value' => array(
'description' => 'The value.',
'type' => 'blob',
'not null' => FALSE,
'size' => 'big',
),
'serialized' => array(
'description' => 'Whether value is serialized.',
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'default' => 0,
),
),
'primary key' => array(
'uid',
'module',
'name',
),
'indexes' => array(
'module' => array(
'module',
),
'name' => array(
'name',
),
),
'foreign keys' => array(
'uid' => array(
'users' => 'uid',
),
),
));
// Create backup table for data migration.
// Since the origin/owner of individual values in {users}.data is unknown,
// other modules need to migrate their existing values from {_d7_users_data}.
db_create_table('_d7_users_data', array(
'description' => 'Backup of {users}.data for migration.',
'fields' => array(
'uid' => array(
'description' => 'Primary Key: {users}.uid for user.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
'name' => array(
'description' => 'The name of the variable.',
'type' => 'varchar',
'length' => 128,
'not null' => TRUE,
'default' => '',
),
'value' => array(
'description' => 'The serialized value of the variable.',
'type' => 'blob',
'not null' => FALSE,
'size' => 'big',
'serialize' => TRUE,
),
),
'primary key' => array(
'uid',
'name',
),
'foreign keys' => array(
'uid' => array(
'users' => 'uid',
),
),
));
}