multi: freeze graph SQL migration logic

Copy over all the code that the graph SQL migration needs to a
separate folder. This will let us advance the main graph SQL CRUD code
without worrying about changing the sql migration code. It will also let
us change the SQL queries without changing the migration. In this
commit, only the migration logic is "frozen" but in an upcoming commit,
the sqlc queries & models will be frozen too.
This commit is contained in:
Elle Mouton authored and yyforyongyu committed 2025-11-12 22:54:05 +08:00
1 parent 07d0f0842c
commit 125325f625
17 files changed
+5136 -6

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