fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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agiardullo 03b08ba9a9 Return MergeInProgress when fetching from transactions or WBWI with overwrite_key ... Summary: WriteBatchWithIndex::GetFromBatchAndDB only works correctly for overwrite_key=false. Transactions use overwrite_key=true (since WriteBatchWithIndex::GetIteratorWithBase only works when overwrite_key=true). So currently, Transactions could return incorrectly merged results when calling Get/GetForUpdate(). Until a permanent fix can be put in place, Transaction::Get[ForUpdate] and WriteBatchWithIndex::GetFromBatch[AndDB] will now return MergeInProgress if the most recent write to a key in the batch is a Merge. Test Plan: more tests Reviewers: sdong, yhchiang, rven, igor Reviewed By: igor Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D47817		9 years ago
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write_batch_with_index.cc	Return MergeInProgress when fetching from transactions or WBWI with overwrite_key	9 years ago
write_batch_with_index_internal.cc	Return MergeInProgress when fetching from transactions or WBWI with overwrite_key	9 years ago
write_batch_with_index_internal.h	Return MergeInProgress when fetching from transactions or WBWI with overwrite_key	9 years ago
write_batch_with_index_test.cc	Return MergeInProgress when fetching from transactions or WBWI with overwrite_key	9 years ago