Re: Delete Enhancement Request

Do you mean like each row deleted is a separate transaction? The fact that
you canceled and only half had actually committed makes me say yes.

On Mon, Jan 14, 2019, 10:18 AM Campbell, Lance <lance(at)illinois(dot)edu wrote:

> Please consider adding this feature to PostgreSQL.
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> Use Case:
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> When deleting a large number of records with constraints and triggers
> PostgreSQL is exceptionally slow.
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> Suggested change:
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> I believe a way to speed this processes up would be to offer an option a
> user could “turn on” prior to doing the delete.
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> Example: set delete-no-roll-back=true
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> Now as PostgreSQL deletes rows it literally deletes them one at a time as
> though the user was only deleting a single row. This means that if cancel
> were executed on a delete action then it would only roll back the current
> row that PostgreSQL was in the process of deleting. Example: if you had
> 10 million row to delete and then pressed cancel after three minutes maybe
> 5 million are deleted.
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> Thanks,
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> Lance Campbell
>
> Web Services
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> University of Illinois
>