Remove all but the last inferred migration in a group of inferred migrations that occur at the same timestamp with the same migration SQL.
Such inferred migrations are typically part of a batched transaction for which we want to ignore all but the effect of the last statement in the batch.
Remove all but the last inferred migration in a group of inferred migrations that occur at the same timestamp with the same migration SQL.
Such inferred migrations are typically part of a batched transaction for which we want to ignore all but the effect of the last statement in the batch.