public function appendDecimalDisplayConfiguration(SchemaSetupInterface $setup)
    {
        $connection = $setup->getConnection();
        $table      = $setup->getTable('catalog_eav_attribute');

        // Append a column 'display_pattern' into the db.
        $connection->addColumn(
            $table,
            'display_pattern',
            [
                'type'     => \Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
                'nullable' => true,
                'default'  => null,
                'length'   => 10,
                'comment'  => 'The pattern to display facet values',
            ]
        );

        // Append a column 'display_precision' into the db.
        $connection->addColumn(
            $table,
            'display_precision',
            [
                'type'     => \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
                'nullable' => true,
                'default'  => 0,
                'comment'  => 'Attribute decimal precision for display',
            ]
        );
    }