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Gondolier does not support primary keys, foreign keys, ... using multiple columns yet.

gondolier:"foo;bar;" <- last ; raises an error for "Unknown tag '' for model..."

Gondolier fails dropping primary keys if foreign keys refer to that table. Add a test for this screnario.

All tags are changed to lower case right now. This affects foreign keys, since the table name cannot be created from a lower case string using snake case. Remove lower case from tags.

Test transactional schema migration using postgres. Especially for rolling back changes.

https://github.com/emvicom/gondolier-example

"However Gondolier lacks sqlx support/compatibility/integration, especially for struct tags and name mapper, etc., which would be really useful to me. It also currently lacks any form of “hook” mechanism to allow for data conversion following schema conversion — not a current problem for me, but one sure to bite sooner or later."

https://povilasv.me/go-schema-migration-tools/

Add one transaction to postgres migrator for every possible action. This should make Gondolier much more reliable and safe to use. For actions that cannot be covered by a transaction, add manual checks.

Add a MySQL migrator.

Like sql.NullString