Add a mechanism to try the database migration on a copy of the tables before running it on the "real" data
Create unique names for temporary indexes
Fix generating migration test schemas
Fix temporary schema creation
skip migration tests for sqlite
Fix migrator for postgres
Check sqlite migration on a copy of the database file
Try and check migration before applying it
skip tests for oracle
Fix unit tests
Only quote identifiers for oracle during migration
Skip migration checks for all sql backends besides mysql, postgres and sqlite
Quote identifiers on mysql
add a getter for the table
Add `generateChangeScript()` back
Better unique names for temporary tables
Fix typo
Merge pull request #7015 from owncloud/db-migration-check-copy

Check database migration on a copy of the table first