Create the 'config_snapshot' table.
function system_update_8049() {
$table = array(
'description' => 'Stores a snapshot of the last imported configuration.',
'fields' => array(
'name' => array(
'description' => 'The identifier for the config object (the name of the file, minus the file extension).',
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'data' => array(
'description' => 'The raw data for this configuration object.',
'type' => 'blob',
'not null' => TRUE,
'size' => 'big',
),
),
'primary key' => array(
'name',
),
);
db_create_table('config_snapshot', $table);
}