SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax;
check the manual that corresponds to your MariaDB server version for the right syntax to use
near 'condition IS NOT NULL)' at line 5, query was:

UPDATE `catalog_product_flat_1_tmp_indexer` AS `et`
 LEFT JOIN `eav_attribute_option_value` AS `t0` ON t0.option_id = et.condition AND t0.store_id = 0
 LEFT JOIN `eav_attribute_option_value` AS `ts` ON ts.option_id = et.condition AND ts.store_id = 1
SET `et`.`condition_value` = IFNULL(ts.value, t0.value)
WHERE (condition IS NOT NULL)