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kvdb-rocksdb: fix iter_from_prefix being slow #326

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Merged
dvdplm merged 1 commit into from
Feb 4, 2020
Merged

kvdb-rocksdb: fix iter_from_prefix being slow #326

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2 changes: 1 addition & 1 deletion kvdb-rocksdb/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -616,7 +616,7 @@ impl Database {
// We're not using "Prefix Seek" mode, so the iterator will return
// keys not starting with the given prefix as well,
// see https://github.com/facebook/rocksdb/wiki/Prefix-Seek-API-Changes
optional.into_iter().flat_map(identity).filter(move |(k, _)| k.starts_with(prefix))
optional.into_iter().flat_map(identity).take_while(move |(k, _)| k.starts_with(prefix))
}

/// Close the database
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