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No migration rollbacks #20

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jrogov opened this issue Jul 23, 2020 · 0 comments
Open

No migration rollbacks #20

jrogov opened this issue Jul 23, 2020 · 0 comments

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@jrogov
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jrogov commented Jul 23, 2020

Currently there's no automatic (that is, via ecto) way to rollback a migration.
This is due to a fact that there are no DELETEs in Clickhouse per se: only mutations via ALTER.

Wonder if there's anything that can be done for rollbacks only. Maybe even support DELETEs via ALTER as a general case (that may issue a Logger.warning if used for anything else but rollbacks)?
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@jrogov