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Add db.getMany(keys) #89

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merged 3 commits into from
Sep 30, 2021
Merged

Add db.getMany(keys) #89

merged 3 commits into from
Sep 30, 2021

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@vweevers vweevers commented Sep 25, 2021

Ref Level/community#101. Depends on Level/abstract-leveldown#381 and Level/memdown#212 (for tests).

Also closes #90, closes #91.

@vweevers vweevers added the enhancement New feature or request label Sep 25, 2021
@vweevers vweevers added the semver-minor New features that are backward compatible label Sep 25, 2021
@vweevers vweevers added semver-major Changes that break backward compatibility and removed semver-minor New features that are backward compatible labels Sep 28, 2021
@vweevers vweevers marked this pull request as ready for review September 28, 2021 21:29
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Would have made a separate PR for the last commit (c197496) were it not for the fact that getMany() doesn't work without.

deferred-chained-batch.js Outdated Show resolved Hide resolved
deferred-iterator.js Show resolved Hide resolved
deferred-leveldown.js Outdated Show resolved Hide resolved
In other states (besides 'open') a 'Database is not open' error is
now thrown. This reduces the scope of `deferred-leveldown` to what's
strictly needed in `levelup` and aligns behavior.

In addition, override public methods of `abstract-leveldown` instead
of private methods. This has one downside: they need to do the same
callback to promise conversion that `abstract-leveldown` does. The
upside is that operation callbacks are not called before the db has
finished opening, including in cases where `abstract-leveldown` has
a fast-path, like on `db.batch([])` which because the array is
empty bypasses `_batch()`.

Closes #91
Closes #90
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Add tests for for await...of db.iterator() Reduce scope to what is strictly needed in levelup
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