Rescale a live economy in one migration
Moving the unit rate means moving every stored figure with it, in one operation, guarded so a resumed run cannot do it twice.
Tagged “migration”
4 entries
Block the admin when migrations are pending
Code that queries a column the database does not have fails with an unstyled fatal. A guard that names the missing migration turns that into a two-minute fix.
A migration runner that recognises hand-applied migrations
Operators run SQL by hand. If the runner only trusts its own table, it will later insist fifteen applied migrations are pending and lock them out.
A migration runner that is safe to run twice
Numbered SQL files, a table of what has run, and a splitter that does not break on semicolons inside strings.