MySQL to Postgres migration guide is not correct

[diogomartino]

While following this: https://umami.is/docs/guides/migrate-mysql-postgresql#running-migration I've encountered:

Password for user xxxxxxx:
INSERT 0 13
invalid command \'insertBefore
invalid command \'
invalid command \'
invalid command \'
invalid command \'
invalid command \'insertBefore
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s-johnny',NULL,'/artists',NULL,'','Ritmo
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s-johnny',NULL,'',NULL,1,NULL,'dcfa56c6-feaf-5c24-badb-4033f9f7a6f4',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'ritmoepoesia.pt'),('9ec4eac9-ec3a-4e7e-86a7-c1a741decd28','c788e969-c0f2-4163-b9fd-94bb6483af46','b3af3d31-95de-5096-b1bc-0ab41ad628a0','2025-09-14
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
invalid command \'s
ERROR:  syntax error at or near "um"
LINE 1: ...-4275-bee3-909c5e98c53f','audioTitle','Levaste c\'um pau?',N...

I fixed this by applying an extra transformation with sed:

sed -i "s/\\\\'/\'\'/g" mydbdump.sql

Not sure if this is correct but it seems to have worked.