Implement 'create index' migrations #49
Merged
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Add support for create index migrations. A create index migration looks like this:
Start
the index is added to the underlying table.Rollback
the index is removed from the underlying table.Complete
is a no-op.There are more options that could be supported here, but are not included in this PR including:
UNIQUE
NULLS FIRST / LAST
NULLS DISTINCT