Upgrade error - upgrading to 5.43
I just hit this upgrading my local copy of the wmf db (it's unlikely to have much oddness in it as a local dev version)
From https://github.com/civicrm/civicrm-core/commit/9f3b9e969597d718a23a22f904c703338ce186fa
SHOW CREATE TABLE
CREATE TABLE `civicrm_mapping_field` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'Mapping Field ID',
`mapping_id` int(10) unsigned NOT NULL COMMENT 'Mapping to which this field belongs',
`name` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'Mapping field key',
`contact_type` varchar(64) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'Contact Type in mapping',
`column_number` int(10) unsigned NOT NULL COMMENT 'Column number for mapping set',
`location_type_id` int(10) unsigned DEFAULT NULL COMMENT 'Location type of this mapping, if required',
`phone_type_id` int(10) unsigned DEFAULT NULL COMMENT 'Which type of phone does this number belongs.',
`im_provider_id` int(10) unsigned DEFAULT NULL COMMENT 'Which type of IM Provider does this name belong.',
`website_type_id` int(10) unsigned DEFAULT NULL COMMENT 'Which type of website does this site belong',
`relationship_type_id` int(10) unsigned DEFAULT NULL COMMENT 'Relationship type, if required',
`relationship_direction` varchar(6) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
`grouping` int(10) unsigned DEFAULT 1 COMMENT 'Used to group mapping_field records into related sets (e.g. for criteria sets in search builder\n mappings).',
`operator` varchar(16) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'SQL WHERE operator for search-builder mapping fields (search criteria).',
`value` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT 'SQL WHERE value for search-builder mapping fields.',
PRIMARY KEY (`id`),
KEY `FK_civicrm_mapping_field_mapping_id` (`mapping_id`),
KEY `FK_civicrm_mapping_field_location_type_id` (`location_type_id`),
KEY `FK_civicrm_mapping_field_relationship_type_id` (`relationship_type_id`),
CONSTRAINT `FK_civicrm_mapping_field_location_type_id` FOREIGN KEY (`location_type_id`) REFERENCES `civicrm_location_type` (`id`),
CONSTRAINT `FK_civicrm_mapping_field_mapping_id` FOREIGN KEY (`mapping_id`) REFERENCES `civicrm_mapping` (`id`),
CONSTRAINT `FK_civicrm_mapping_field_relationship_type_id` FOREIGN KEY (`relationship_type_id`) REFERENCES `civicrm_relationship_type` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci ROW_FORMAT=DYNAMIC```