Fix limit prefix delete case #368
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cheme
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Apr 4, 2020
ordian
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Apr 4, 2020
ordian
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Apr 4, 2020
ordian
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Apr 23, 2020
ordian
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Apr 23, 2020
Co-Authored-By: Andronik Ordian <write@reusable.software>
ordian
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Apr 23, 2020
…ange, but that is fine.
dvdplm
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ordian
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* master: (56 commits) primitive-types: add no_std support for serde feature (#385) Add Rocksdb Secondary Instance Api (#384) kvdb-rocksdb: update rocksdb to 0.14 (#379) prepare releases for a few crates (#382) uint: fix UB in uint::from_big_endian (#381) Fix limit prefix delete case (#368) Add arbitrary trait implementation (#378) kvdb-rocksdb: optimize and rename iter_from_prefix (#365) bump parity-util-mem (#376) parity-util-mem: fix for windows (#375) keccak-hash: fix bench and add one for range (#372) [parity-crypto] Release 0.6.1 (#373) keccak-hash: bump version to 0.5.1 (#371) keccak-hash: add keccak256_range and keccak512_range functions (#370) Allow pubkey recovery for all-zero messages (#369) Delete by prefix operator in kvdb (#360) kvdb: no overlay (#313) Ban duplicates of parity-uil-mem from being linked into the same program (#363) Use correct license ID (#362) Memtest example for Rocksdb (#349) ...
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My previous PR to delete by prefix contains an ordering error, this PR fixes that.
The test change in this PR shows the problematic case.
The pr make use of the existing iter by prefix iterator for the corner case in rocksdb, and change end_prefix api to be safest, so it breaks #365.
One of the corner case that may be tricky to implement in #365 is this one, basically iterating by prefix [255] with existing key [255, 255], [255, 255, 255] ... in the db.
Ok, I am wrong this should work without change (since #365 only change read opt to set upper bound).
So this only require changing the call to end_prefix in #365